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2017-11-22treewide: init_timer() -> setup_timer()Kees Cook26-97/+47
This mechanically converts all remaining cases of ancient open-coded timer setup with the old setup_timer() API, which is the first step in timer conversions. This has no behavioral changes, since it ultimately just changes the order of assignment to fields of struct timer_list when finding variations of: init_timer(&t); f.function = timer_callback; t.data = timer_callback_arg; to be converted into: setup_timer(&t, timer_callback, timer_callback_arg); The conversion is done with the following Coccinelle script, which is an improved version of scripts/cocci/api/setup_timer.cocci, in the following ways: - assignments-before-init_timer() cases - limit the .data case removal to the specific struct timer_list instance - handling calls by dereference (timer->field vs timer.field) spatch --very-quiet --all-includes --include-headers \ -I ./arch/x86/include -I ./arch/x86/include/generated \ -I ./include -I ./arch/x86/include/uapi \ -I ./arch/x86/include/generated/uapi -I ./include/uapi \ -I ./include/generated/uapi --include ./include/linux/kconfig.h \ --dir . \ --cocci-file ~/src/data/setup_timer.cocci @fix_address_of@ expression e; @@ init_timer( -&(e) +&e , ...) // Match the common cases first to avoid Coccinelle parsing loops with // "... when" clauses. @match_immediate_function_data_after_init_timer@ expression e, func, da; @@ -init_timer +setup_timer ( \(&e\|e\) +, func, da ); ( -\(e.function\|e->function\) = func; -\(e.data\|e->data\) = da; | -\(e.data\|e->data\) = da; -\(e.function\|e->function\) = func; ) @match_immediate_function_data_before_init_timer@ expression e, func, da; @@ ( -\(e.function\|e->function\) = func; -\(e.data\|e->data\) = da; | -\(e.data\|e->data\) = da; -\(e.function\|e->function\) = func; ) -init_timer +setup_timer ( \(&e\|e\) +, func, da ); @match_function_and_data_after_init_timer@ expression e, e2, e3, e4, e5, func, da; @@ -init_timer +setup_timer ( \(&e\|e\) +, func, da ); ... when != func = e2 when != da = e3 ( -e.function = func; ... when != da = e4 -e.data = da; | -e->function = func; ... when != da = e4 -e->data = da; | -e.data = da; ... when != func = e5 -e.function = func; | -e->data = da; ... when != func = e5 -e->function = func; ) @match_function_and_data_before_init_timer@ expression e, e2, e3, e4, e5, func, da; @@ ( -e.function = func; ... when != da = e4 -e.data = da; | -e->function = func; ... when != da = e4 -e->data = da; | -e.data = da; ... when != func = e5 -e.function = func; | -e->data = da; ... when != func = e5 -e->function = func; ) ... when != func = e2 when != da = e3 -init_timer +setup_timer ( \(&e\|e\) +, func, da ); @r1 exists@ expression t; identifier f; position p; @@ f(...) { ... when any init_timer@p(\(&t\|t\)) ... when any } @r2 exists@ expression r1.t; identifier g != r1.f; expression e8; @@ g(...) { ... when any \(t.data\|t->data\) = e8 ... when any } // It is dangerous to use setup_timer if data field is initialized // in another function. @script:python depends on r2@ p << r1.p; @@ cocci.include_match(False) @r3@ expression r1.t, func, e7; position r1.p; @@ ( -init_timer@p(&t); +setup_timer(&t, func, 0UL); ... when != func = e7 -t.function = func; | -t.function = func; ... when != func = e7 -init_timer@p(&t); +setup_timer(&t, func, 0UL); | -init_timer@p(t); +setup_timer(t, func, 0UL); ... when != func = e7 -t->function = func; | -t->function = func; ... when != func = e7 -init_timer@p(t); +setup_timer(t, func, 0UL); ) Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-22treewide: Switch DEFINE_TIMER callbacks to struct timer_list *Kees Cook26-56/+56
This changes all DEFINE_TIMER() callbacks to use a struct timer_list pointer instead of unsigned long. Since the data argument has already been removed, none of these callbacks are using their argument currently, so this renames the argument to "unused". Done using the following semantic patch: @match_define_timer@ declarer name DEFINE_TIMER; identifier _timer, _callback; @@ DEFINE_TIMER(_timer, _callback); @change_callback depends on match_define_timer@ identifier match_define_timer._callback; type _origtype; identifier _origarg; @@ void -_callback(_origtype _origarg) +_callback(struct timer_list *unused) { ... } Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-22lightnvm: Convert timers to use timer_setup()Kees Cook6-13/+13
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Matias Bjorling <mb@lightnvm.io> Cc: linux-block@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-22drivers/net: cris: Convert timers to use timer_setup()Kees Cook1-19/+17
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: "David S. Miller" <davem@davemloft.net> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "yuval.shaia@oracle.com" <yuval.shaia@oracle.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Philippe Reynes <tremyfr@gmail.com> Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-22drm/vc4: Convert timers to use timer_setup()Kees Cook2-12/+7
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Eric Anholt <eric@anholt.net> Cc: David Airlie <airlied@linux.ie> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20171024151648.GA104538@beast Reviewed-by: Eric Anholt <eric@anholt.net>
2017-11-22drm/i915/selftests: Convert timers to use timer_setup()Kees Cook1-3/+3
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: David Airlie <airlied@linux.ie> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Jani Nikula <jani.nikula@intel.com>
2017-11-22usb: usbatm: Convert timers to use timer_setup()Kees Cook3-20/+29
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Additionally corrects and on-stack timer usage. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Duncan Sands <duncan.sands@free.fr> Cc: "Gustavo A. R. Silva" <garsilva@embeddedor.com> Cc: accessrunner-general@lists.sourceforge.net Cc: linux-usb@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Allen Pais <allen.lkml@gmail.com>
2017-11-22drivers/firmware: psci: Convert timers to use timer_setup()Kees Cook1-2/+2
In preparation for unconditionally passing the struct timer_list pointer to all timer callbacks, switch to using the new timer_setup() and from_timer() to pass the timer pointer explicitly. Also adds missing call to destroy_timer_on_stack(). Cc: Mark Rutland <mark.rutland@arm.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Kees Cook <keescook@chromium.org>
2017-11-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds11-33/+60
Pull networking fixes from David Miller: 1) Fix a reference to a module parameter which was lost during the GREv6 receive path rewrite, from Alexey Kodanev. 2) Fix deref before NULL check in ipheth, from Gustavo A. R. Silva. 3) RCU read lock imbalance in tun_build_skb(), from Xin Long. 4) Some stragglers from the mac80211 folks: a) Timer conversions from Kees Cook b) Fix some sequencing issue when cfg80211 is built statically, from Johannes Berg c) Memory leak in mac80211_hwsim, from Ben Hutchings. 5) Add new qmi_wwan device ID, from Sebastian Sjoholm. 6) Fix use after free in tipc, from Jon Maloy. 7) Missing kdoc in nfp driver, from Jakub Kicinski. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: nfp: flower: add missing kdoc tipc: fix access of released memory net: qmi_wwan: add Quectel BG96 2c7c:0296 mlxsw: spectrum: Do not try to create non-existing ports during unsplit mac80211: properly free requested-but-not-started TX agg sessions mac80211_hwsim: Fix memory leak in hwsim_new_radio_nl() cfg80211: initialize regulatory keys/database later mac80211: aggregation: Convert timers to use timer_setup() nl80211: don't expose wdev->ssid for most interfaces mac80211: Convert timers to use timer_setup() net: vxge: Fix some indentation issues net: ena: fix race condition between device reset and link up setup r8169: use same RTL8111EVL green settings as in vendor driver r8169: fix RTL8111EVL EEE and green settings tun: fix rcu_read_lock imbalance in tun_build_skb tcp: when scheduling TLP, time of RTO should account for current ACK usbnet: ipheth: fix potential null pointer dereference in ipheth_carrier_set gre6: use log_ecn_error module parameter in ip6_tnl_rcv()
2017-11-21Merge tag 'ceph-for-4.15-rc1' of git://github.com/ceph/ceph-clientLinus Torvalds1-52/+13
Pull ceph updates from Ilya Dryomov: "We have a set of file locking improvements from Zheng, rbd rw/ro state handling code cleanup from myself and some assorted CephFS fixes from Jeff. rbd now defaults to single-major=Y, lifting the limit of ~240 rbd images per host for everyone" * tag 'ceph-for-4.15-rc1' of git://github.com/ceph/ceph-client: rbd: default to single-major device number scheme libceph: don't WARN() if user tries to add invalid key rbd: set discard_alignment to zero ceph: silence sparse endianness warning in encode_caps_cb ceph: remove the bump of i_version ceph: present consistent fsid, regardless of arch endianness ceph: clean up spinlocking and list handling around cleanup_cap_releases() rbd: get rid of rbd_mapping::read_only rbd: fix and simplify rbd_ioctl_set_ro() ceph: remove unused and redundant variable dropping ceph: mark expected switch fall-throughs ceph: -EINVAL on decoding failure in ceph_mdsc_handle_fsmap() ceph: disable cached readdir after dropping positive dentry ceph: fix bool initialization/comparison ceph: handle 'session get evicted while there are file locks' ceph: optimize flock encoding during reconnect ceph: make lock_to_ceph_filelock() static ceph: keep auth cap when inode has flocks or posix locks
2017-11-21Merge tag 'mac80211-for-davem-2017-11-20' of ↵David S. Miller1-1/+4
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== A few things: * straggler timer conversions from Kees * memory leak fix in hwsim * fix some fallout from regdb changes if wireless is built-in * also free aggregation sessions in startup state when station goes away, to avoid crashing the timer ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-21nfp: flower: add missing kdocJakub Kicinski1-0/+1
Commit 0115552eac14 ("nfp: remove false positive offloads in flower vxlan") missed adding kdoc for a new parameter of nfp_flower_add_offload(). Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-21net: qmi_wwan: add Quectel BG96 2c7c:0296Sebastian Sjoholm1-0/+1
Quectel BG96 is an Qualcomm MDM9206 based IoT modem, supporting both CAT-M and NB-IoT. Tested hardware is BG96 mounted on Quectel development board (EVB). The USB id is added to qmi_wwan.c to allow QMI communication with the BG96. Signed-off-by: Sebastian Sjoholm <ssjoholm@mac.com> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-21mlxsw: spectrum: Do not try to create non-existing ports during unsplitIdo Schimmel2-2/+8
On some systems, when we unsplit a port we need to re-create two ports instead. On other systems, only one needs to be re-created. Do not try to create a port if during driver initialization it was assigned a negative module number, which is invalid. This avoids the following error during unsplit: [ 941.012478] mlxsw_spectrum 0000:01:00.0: Port 43: Failed to map module The error is harmless and caused by the fact that a local port is already mapped to module 0. Fixes: be94535f9531 ("mlxsw: spectrum: Make split flow match firmware requirements") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Arkadi Sharshevsky <arkadis@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-21Merge tag 'fbdev-v4.15' of git://github.com/bzolnier/linuxLinus Torvalds26-723/+147
Pull fbdev updates from Bartlomiej Zolnierkiewicz: "There is nothing really major here (though removal of the dead igafb driver stands out in diffstat). Summary: - convert timers to use timer_setup() (Kees Cook, Thierry Reding) - fix panels support on iMX boards in mxsfb driver (Stefan Agner) - fix timeout on EDID read in udlfb driver (Ladislav Michl) - add missing modes to fix out of bounds access in controlfb driver (Geert Uytterhoeven) - update initialisation paths in sa1100fb driver to be more robust (Russell King) - fix error handling path of ->probe method in au1200fb driver (Christophe JAILLET) - fix handling of cases when either panel or crt is defined in sm501fb driver (Sudip Mukherjee, Colin Ian King) - add ability to the Goldfish FB driver to be recognized by OS via DT (Aleksandar Markovic) - structures constifications (Bhumika Goyal) - misc fixes (Allen Pais, Gustavo A. R. Silva, Dan Carpenter) - misc cleanups (Colin Ian King, Himanshu Jha, Markus Elfring) - remove dead igafb driver" * tag 'fbdev-v4.15' of git://github.com/bzolnier/linux: (42 commits) OMAPFB: prevent buffer underflow in omapfb_parse_vram_param() video: fbdev: sm501fb: fix potential null pointer dereference on fbi fbcon: Initialize ops->info early video: fbdev: Convert timers to use timer_setup() video: fbdev: pxa3xx_gcu: Convert timers to use timer_setup() fbdev: controlfb: Add missing modes to fix out of bounds access video: fbdev: sis_main: mark expected switch fall-throughs video: fbdev: cirrusfb: mark expected switch fall-throughs video: fbdev: aty: radeon_pm: mark expected switch fall-throughs video: fbdev: sm501fb: mark expected switch fall-through in sm501fb_blank_crt video: fbdev: intelfb: remove redundant variables video/fbdev/dnfb: Use common error handling code in dnfb_probe() sm501fb: suspend and resume fb if it exists sm501fb: unregister framebuffer only if registered sm501fb: deallocate colormap only if allocated video: goldfishfb: Add support for device tree bindings Documentation: Add device tree binding for Goldfish FB driver video: udlfb: Fix read EDID timeout video: fbdev: remove dead igafb driver video: fbdev: mxsfb: fix pixelclock polarity ...
2017-11-21Merge tag 'devicetree-fixes-for-4.15' of ↵Linus Torvalds4-67/+7
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull DeviceTree fixes from Rob Herring: - Remove mc13892 as a trivial device - Improve of_find_node_by_name() documentation - Fix unit test dtc warnings - Clean-ups of USB binding documentation - Fix potential NULL deref in of_pci_map_rid * tag 'devicetree-fixes-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: trivial-devices: Remove fsl,mc13892 of: Document exactly what of_find_node_by_name() puts of: unittest: disable interrupts_property warning of: unittest: let dtc generate __local_fixups__ dt-bindings: usb: document hub and host-controller properties dt-bindings: usb: clean up compatible property dt-bindings: usb: fix reg-property port-number range dt-bindings: usb: fix example hub node name of/pci: Fix theoretical NULL dereference
2017-11-20of: Document exactly what of_find_node_by_name() putsStephen Boyd1-3/+3
It isn't clear if this function of_node_put()s the 'from' argument, or the node it searches. Clearly indicate which variable is touched. Fold in some more fixes from Randy too because we're in the area. Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Rob Herring <robh@kernel.org>
2017-11-20mac80211_hwsim: Fix memory leak in hwsim_new_radio_nl()Ben Hutchings1-1/+4
hwsim_new_radio_nl() now copies the name attribute in order to add a null-terminator. mac80211_hwsim_new_radio() (indirectly) copies it again into the net_device structure, so the first copy is not used or freed later. Free the first copy before returning. Fixes: ff4dd73dd2b4 ("mac80211_hwsim: check HWSIM_ATTR_RADIO_NAME length") Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2017-11-20Merge tag 'ntb-4.15' of git://github.com/jonmason/ntbLinus Torvalds11-362/+1317
Pull ntb updates from Jon Mason: "Support for the switchtec ntb and related changes. Also, a couple of bug fixes" [ The timing isn't great. I had asked people to send me pull requests before my family vacation, and this code has not even been in linux-next as far as I can tell. But Logan Gunthorpe pleaded for its inclusion because the Switchtec driver has apparently been around for a while, just never in linux-next - Linus ] * tag 'ntb-4.15' of git://github.com/jonmason/ntb: ntb: intel: remove b2b memory window workaround for Skylake NTB NTB: make idt_89hpes_cfg const NTB: switchtec_ntb: Update switchtec documentation with notes for NTB NTB: switchtec_ntb: Add memory window support NTB: switchtec_ntb: Implement scratchpad registers NTB: switchtec_ntb: Implement doorbell registers NTB: switchtec_ntb: Add link management NTB: switchtec_ntb: Add skeleton NTB driver NTB: switchtec_ntb: Initialize hardware for doorbells and messages NTB: switchtec_ntb: Initialize hardware for memory windows NTB: switchtec_ntb: Introduce initial NTB driver NTB: Add check and comment for link up to mw_count() and mw_get_align() NTB: Ensure ntb_mw_get_align() is only called when the link is up NTB: switchtec: Add link event notifier callback NTB: switchtec: Add NTB hardware register definitions NTB: switchtec: Export class symbol for use in upper layer driver NTB: switchtec: Move structure definitions into a common header ntb: update maintainer list for Intel NTB driver
2017-11-20net: vxge: Fix some indentation issuesChristophe JAILLET1-19/+18
Some statements are not enough or too much indented. Fix it to improve readalbility. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-20net: ena: fix race condition between device reset and link up setupNetanel Belgazal2-3/+11
In rare cases, ena driver would reset and re-start the device, for example, in case of misbehaving application that causes transmit timeout The first step in the reset procedure is to stop the Tx traffic by calling ena_carrier_off(). After the driver have just started the device reset procedure, device happens to send an asynchronous notification (via AENQ) to the driver than there was a link change (to link-up state). This link change is mapped to a call to netif_carrier_on() which re-activates the Tx queues, violating the assumption of no tx traffic until device reset is completed, as the reset task might still be in the process of queues initialization, leading to an access to uninitialized memory. Signed-off-by: Netanel Belgazal <netanel@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ideLinus Torvalds1-1/+1
Pull small IDE cleanup from David Miller. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide: PNP: ide: constify pnp_device_id
2017-11-19r8169: use same RTL8111EVL green settings as in vendor driverHeiner Kallweit1-0/+5
Adjust the code to use the same green settings as in the latest vendor driver. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-19r8169: fix RTL8111EVL EEE and green settingsHeiner Kallweit1-6/+6
Name of functions rtl_w0w1_eri and rtl_w0w1_phy is somewhat misleading regarding order of arguments. One could assume that w0w1 means argument with bits to be reset comes before argument with bits to set. However this is not the case. So fix the order of arguments in several statements. In addition fix EEE advertisement. The current code resets the bits for 100BaseT and 1000BaseT EEE advertisement what is not what we want. I have a little of a hard time to find a proper "Fixes" line as the issue seems to have been there forever (at least it existed already when the driver was moved to the current place in 2011). The patch was tested on a Zotac Mini-PC with a RTL8111E-VL chip. Before the patch EEE was disabled, now it's properly advertised and works fine. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-19tun: fix rcu_read_lock imbalance in tun_build_skbXin Long1-1/+2
rcu_read_lock in tun_build_skb is used to rcu_dereference tun->xdp_prog safely, rcu_read_unlock should be done in every return path. Now I could see one place missing it, where it returns NULL in switch-case XDP_REDIRECT, another palce using rcu_read_lock wrongly, where it returns NULL in if (xdp_xmit) chunk. So fix both in this patch. Fixes: 761876c857cb ("tap: XDP support") Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-19usbnet: ipheth: fix potential null pointer dereference in ipheth_carrier_setGustavo A. R. Silva1-1/+4
_dev_ is being dereferenced before it is null checked, hence there is a potential null pointer dereference. Fix this by moving the pointer dereference after _dev_ has been null checked. Addresses-Coverity-ID: 1462020 Fixes: bb1b40c7cb86 ("usbnet: ipheth: prevent TX queue timeouts when device not ready") Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-19ntb: intel: remove b2b memory window workaround for Skylake NTBDave Jiang1-73/+2
The workaround code is never used because Skylake NTB does not need it. Reported-by: Allen Hubbe <allen.hubbe@dell.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: make idt_89hpes_cfg constBhumika Goyal1-8/+8
Make these const as they are only used during a copy operation. Done using Coccinelle. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec_ntb: Add memory window supportLogan Gunthorpe1-3/+210
The Switchtec hardware has two types of memory windows: LUTs and Direct. The first area in each BAR is for LUT windows and the remaining area is for the direct region. The total number of LUT entries is set by a configuration setting in hardware and they all must be the same size. (This is fixed by switchtec_ntb to be 64K.) switchtec_ntb enables the LUTs only for the first BAR and enables the highest power of two possible. Seeing the LUTs are at the beginning of the BAR, the direct memory window's alignment is affected. Therefore, the maximum direct memory window size can not be greater than the number of LUTs times 64K. The direct window in other BARs will not have this restriction as the LUTs will not be enabled there. LUTs will only be exposed through the NTB API if the use_lut_mw parameter is set. Seeing the Switchtec hardware, by default, configures BARs to be 4G a module parameter is given to limit the size of the advertised memory windows. Higher layers tend to allocate the maximum BAR size and this has a tendency to fail when they try to allocate 4GB of contiguous memory. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec_ntb: Implement scratchpad registersLogan Gunthorpe1-2/+73
Seeing there is no dedicated hardware for this, we simply add these as entries in the shared memory window. Thus, we could support any number of them but 128 seems like enough, for now. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec_ntb: Implement doorbell registersLogan Gunthorpe1-4/+85
Pretty straightforward implementation of doorbell registers. The shift and mask were setup in an earlier patch and this just hooks up the appropriate portion of the IDB register as the local doorbells and the opposite portion of ODB as the peer doorbells. The DB mask is protected by a spinlock to avoid concurrent read-modify-write accesses. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec_ntb: Add link managementLogan Gunthorpe1-1/+129
switchtec_ntb checks for a link by looking at the shared memory window. If the magic number is correct and the other side indicates their link is enabled then we take the link to be up. Whenever we change our local link status we send a msg to the other side to check whether it's up and change their status. The current status is maintained in a flag so ntb_is_link_up can return quickly. We utilize Switchtec's link status notifier to also check link changes when the switch notices a port changes state. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec_ntb: Add skeleton NTB driverLogan Gunthorpe1-1/+147
Add a skeleton NTB driver which will be filled out in subsequent patches. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec_ntb: Initialize hardware for doorbells and messagesLogan Gunthorpe1-0/+142
Set up some hardware registers and creates interrupt service routines for the doorbells and messages. There are 64 doorbells in the switch that are shared between all partitions. The upper 4 doorbells are also shared with the messages and are therefore not used. Thus, this provides 28 doorbells for each partition. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec_ntb: Initialize hardware for memory windowsLogan Gunthorpe1-0/+360
Add the code to initialize the memory windows in the hardware. This includes setting up the requester ID table, and figuring out which BAR corresponds to which memory window. (Seeing the switch can be configured with any number of BARs.) Also, seeing the device doesn't have hardware for scratchpads or determining the link status, we create a shared memory window that has these features. A magic number with a version component will be used to determine if the other side's driver is actually up. The shared memory window also informs the other side of the size and count of the local memory windows. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec_ntb: Introduce initial NTB driverLogan Gunthorpe6-0/+96
Seeing the Switchtec NTB hardware shares the same endpoint as the management endpoint we utilize the class_interface API to register an NTB driver for every Switchtec device in the system that has the NTB class code. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: Ensure ntb_mw_get_align() is only called when the link is upLogan Gunthorpe3-22/+22
With Switchtec hardware it's impossible to get the alignment parameters for a peer's memory window until the peer's driver has configured its windows. Strictly speaking, the link doesn't have to be up for this, but the link being up is the only way the client can tell that the other side has been configured. This patch converts ntb_transport and ntb_perf to use this function after the link goes up. This simplifies these clients slightly because they no longer have to store the alignment parameters. It also tweaks ntb_tool so that peer_mw_trans will print zero if it is run before the link goes up. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec: Add link event notifier callbackLogan Gunthorpe1-0/+51
In order for the Switchtec NTB code to handle link change events we create a notifier callback in the switchtec code which gets called whenever an appropriate event interrupt occurs. In order to preserve userspace's ability to follow these events, we compare the event count with a stored copy from last time we checked. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec: Export class symbol for use in upper layer driverLogan Gunthorpe1-1/+3
We export the class pointer symbol and add an extern define in the Switchtec header file. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-19NTB: switchtec: Move structure definitions into a common headerLogan Gunthorpe1-259/+1
Create the switchtec.h header in include/linux with hardware defines and the switchtec_dev structure. Both moved directly from switchtec.c. This is a prep patch for creating an NTB driver for Switchtec. Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Bates <sbates@raithlin.com> Reviewed-by: Kurt Schwemmer <kurt.schwemmer@microsemi.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
2017-11-18clean up x86 platform driver default valuesLinus Torvalds1-11/+0
The updates this merge window added several bogus default enablement for new features. We don't do that. If people want new behavior, they ask for it. One 'default n' was also removed as pointless. That's great, but there were eight other ones in the same file that were left alone. Fix it up. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-11-18Merge tag 'platform-drivers-x86-v4.15-1' of ↵Linus Torvalds32-542/+2168
git://git.infradead.org/linux-platform-drivers-x86 Pull x86 platform driver updates from Andy Shevchenko: "Here is the collected material against Platform Drivers x86 subsystem. It's rather bit busy cycle for PDx86, mostly due to Dell SMBIOS driver activity For this cycle we have quite an update for the Dell SMBIOS driver including WMI work to provide an interface for SMBIOS tokens via sysfs and WMI support for 2017+ Dell laptop models. SMM dispatcher code is split into a separate driver followed by a new WMI dispatcher. The latter provides a character device interface to user space. The git history also contains a merge of immutable branch from Wolfram Sang in order to apply a dependent fix to the Intel CherryTrail Battery Management driver. Other Intel drivers got a lot of cleanups. The Turbo Boost Max 3.0 support is added for Intel Skylake. Peaq WMI hotkeys driver gets its own maintainer and white list of supported models. Silead DMI is expanded to support few additional platforms. Tablet mode via GMMS ACPI method is added to support some ThinkPad tablets. new driver: - Add driver to force WMI Thunderbolt controller power status asus-wmi: - Add lightbar led support dell-laptop: - Allocate buffer before rfkill use dell-smbios: - fix string overflow - Add filtering support - Introduce dispatcher for SMM calls - Add a sysfs interface for SMBIOS tokens - only run if proper oem string is detected - Prefix class/select with cmd_ - Add pr_fmt definition to driver dell-smbios-smm: - test for WSMT dell-smbios-wmi: - release mutex lock on WMI call failure - introduce userspace interface - Add new WMI dispatcher driver dell-smo8800: - remove redundant assignments to byte_data dell-wmi: - don't check length returned - clean up wmi descriptor check - increase severity of some failures - Do not match on descriptor GUID modalias - Label driver as handling notifications dell-*wmi*: - Relay failed initial probe to dependent drivers dell-wmi-descriptor: - check if memory was allocated - split WMI descriptor into it's own driver fujitsu-laptop: - Fix radio LED detection - Don't oops when FUJ02E3 is not presnt hp_accel: - Add quirk for HP ProBook 440 G4 hp-wmi: - Fix tablet mode detection for convertibles ideapad-laptop: - Add Lenovo Yoga 920-13IKB to no_hw_rfkill dmi list intel_cht_int33fe: - Update fusb302 type string, add properties - make a couple of local functions static - Work around BIOS bug on some devices intel-hid: - Power button suspend on Dell Latitude 7275 intel_ips: - Convert timers to use timer_setup() - Remove FSF address from GPL notice - Remove unneeded fields and label - Keep pointer to struct device - Use PCI_VDEVICE() macro - Switch to new PCI IRQ allocation API - Simplify error handling via devres API intel_pmc_ipc: - Revert Use MFD framework to create dependent devices - Use MFD framework to create dependent devices - Use spin_lock to protect GCR updates - Use devm_* calls in driver probe function intel_punit_ipc: - Fix resource ioremap warning intel_telemetry: - Remove useless default in Kconfig - Add needed inclusion - cleanup redundant headers - Fix typos - Fix load failure info intel_telemetry_debugfs: - Use standard ARRAY_SIZE() macro intel_turbo_max_3: - Add Skylake platform intel-wmi-thunderbolt: - Silence error cases mlx-platform: - make a couple of structures static peaq_wmi: - Fix missing terminating entry for peaq_dmi_table peaq-wmi: - Remove unnecessary checks from peaq_wmi_exit - Add DMI check before binding to the WMI interface - Revert Blacklist Lenovo ideapad 700-15ISK - Blacklist Lenovo ideapad 700-15ISK silead_dmi: - Add silead, home-button property to some tablets - Add entry for the Digma e200 tablet - Fix GP-electronic T701 entry - Add entry for the Chuwi Hi8 Pro tablet sony-laptop: - Drop variable assignment in sony_nc_setup_rfkill() - Fix error handling in sony_nc_setup_rfkill() thinkpad_acpi: - Implement tablet mode using GMMS method tools/wmi: - add a sample for dell smbios communication over WMI wmi: - release mutex on module acquistion failure - create userspace interface for drivers - Don't allow drivers to get each other's GUIDs - Add new method wmidev_evaluate_method - Destroy on cleanup rather than unregister - Cleanup exit routine in reverse order of init - Sort include list" * tag 'platform-drivers-x86-v4.15-1' of git://git.infradead.org/linux-platform-drivers-x86: (74 commits) platform/x86: silead_dmi: Add silead, home-button property to some tablets platform/x86: dell-laptop: Allocate buffer before rfkill use platform/x86: dell-*wmi*: Relay failed initial probe to dependent drivers platform/x86: dell-wmi-descriptor: check if memory was allocated platform/x86: Revert intel_pmc_ipc: Use MFD framework to create dependent devices platform/x86: dell-smbios-wmi: release mutex lock on WMI call failure platform/x86: wmi: release mutex on module acquistion failure platform/x86: dell-smbios: fix string overflow platform/x86: intel_pmc_ipc: Use MFD framework to create dependent devices platform/x86: intel_punit_ipc: Fix resource ioremap warning platform/x86: dell-smo8800: remove redundant assignments to byte_data platform/x86: hp-wmi: Fix tablet mode detection for convertibles platform/x86: intel_ips: Convert timers to use timer_setup() platform/x86: sony-laptop: Drop variable assignment in sony_nc_setup_rfkill() platform/x86: sony-laptop: Fix error handling in sony_nc_setup_rfkill() tools/wmi: add a sample for dell smbios communication over WMI platform/x86: dell-smbios-wmi: introduce userspace interface platform/x86: wmi: create userspace interface for drivers platform/x86: dell-smbios: Add filtering support platform/x86: dell-smbios-smm: test for WSMT ...
2017-11-18platform/x86: silead_dmi: Add silead, home-button property to some tabletsHans de Goede1-0/+4
Add "silead,home-button" property to entries for tablets which have a capacitive home button (typically a windows logo on the front). This new property is checked for by the new capacitive home button support in the silead touchscreen driver. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-11-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds1-1/+0
Pull sparc updates from David Miller: 1) Add missing cmpxchg64() for 32-bit sparc. 2) Timer conversions from Allen Pais and Kees Cook. 3) vDSO support, from Nagarathnam Muthusamy. 4) Fix sparc64 huge page table walks based upon bug report by Al Viro, from Nitin Gupta. 5) Optimized fls() for T4 and above, from Vijay Kumar. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: Fix page table walk for PUD hugepages sparc64: Convert timers to user timer_setup() sparc64: convert mdesc_handle.refcnt from atomic_t to refcount_t sparc/led: Convert timers to use timer_setup() sparc64: Use sparc optimized fls and __fls for T4 and above sparc64: SPARC optimized __fls function sparc64: SPARC optimized fls function sparc64: Define SPARC default __fls function sparc64: Define SPARC default fls function vDSO for sparc sparc32: Add cmpxchg64(). sbus: char: Move D7S_MINOR to include/linux/miscdevice.h sparc: time: Remove unneeded linux/miscdevice.h include sparc64: mmu_context: Add missing include files
2017-11-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds33-151/+255
Pull networking fixes from David Miller: 1) Revert regression inducing change to the IPSEC template resolver, from Steffen Klassert. 2) Peeloffs can cause the wrong sk to be waken up in SCTP, fix from Xin Long. 3) Min packet MTU size is wrong in cpsw driver, from Grygorii Strashko. 4) Fix build failure in netfilter ctnetlink, from Arnd Bergmann. 5) ISDN hisax driver checks pnp_irq() for errors incorrectly, from Arvind Yadav. 6) Fix fealnx driver build failure on MIPS, from Huacai Chen. 7) Fix into leak in SCTP, the scope_id of socket addresses is not always filled in. From Eric W. Biederman. 8) MTU inheritance between physical function and representor fix in nfp driver, from Dirk van der Merwe. 9) Fix memory leak in rsi driver, from Colin Ian King. 10) Fix expiration and generation ID handling of cached ipv4 redirect routes, from Xin Long. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (40 commits) net: usb: hso.c: remove unneeded DRIVER_LICENSE #define ibmvnic: fix dma_mapping_error call ipvlan: NULL pointer dereference panic in ipvlan_port_destroy route: also update fnhe_genid when updating a route cache route: update fnhe_expires for redirect when the fnhe exists sctp: set frag_point in sctp_setsockopt_maxseg correctly rsi: fix memory leak on buf and usb_reg_buf net/netlabel: Add list_next_rcu() in rcu_dereference(). nfp: remove false positive offloads in flower vxlan nfp: register flower reprs for egress dev offload nfp: inherit the max_mtu from the PF netdev nfp: fix vlan receive MAC statistics typo nfp: fix flower offload metadata flag usage virto_net: remove empty file 'virtio_net.' net/sctp: Always set scope_id in sctp_inet6_skb_msgname fealnx: Fix building error on MIPS isdn: hisax: Fix pnp_irq's error checking for setup_teles3 isdn: hisax: Fix pnp_irq's error checking for setup_sedlbauer_isapnp isdn: hisax: Fix pnp_irq's error checking for setup_niccy isdn: hisax: Fix pnp_irq's error checking for setup_ix1micro ...
2017-11-18Merge tag 'hwlock-v4.15' of git://github.com/andersson/remoteprocLinus Torvalds1-1/+1
Pull hwspinlock update from Bjorn Andersson: "This changes the HWSPINLOCK core Kconfig option to bool, to aid when other core code depends on it" * tag 'hwlock-v4.15' of git://github.com/andersson/remoteproc: hwspinlock: Change hwspinlock to a bool
2017-11-18Merge tag 'rproc-v4.15' of git://github.com/andersson/remoteprocLinus Torvalds6-39/+516
Pull remoteproc updates from Bjorn Andersson: "This adds an interface for configuring Qualcomm's "secure SMMU" and adds support for booting the modem Hexagon on MSM8996. Two new debugfs entries are added in the remoteproc core to introspect the list of memory carveouts and the loaded resource table" * tag 'rproc-v4.15' of git://github.com/andersson/remoteproc: remoteproc: qcom: Fix error handling paths in order to avoid memory leaks remoteproc: qcom: Drop pr_err in q6v5_xfer_mem_ownership() remoteproc: debug: add carveouts list dump feature remoteproc: debug: add resource table dump feature remoteproc: qcom: Add support for mss remoteproc on msm8996 remoteproc: qcom: Make secure world call for mem ownership switch remoteproc: qcom: refactor mss fw image loading sequence firmware: scm: Add new SCM call API for switching memory ownership
2017-11-18Merge tag 'rpmsg-v4.15' of git://github.com/andersson/remoteprocLinus Torvalds3-16/+42
Pull rpmsg updates from Bjorn Andersson: - turn RPMSG_VIRTIO into a user selectable config - fix few bugs in GLINK - provide the support for specifying initial buffer sizes for GLINK channels. * tag 'rpmsg-v4.15' of git://github.com/andersson/remoteproc: rpmsg: glink: The mbox client knows_txdone rpmsg: glink: Add missing MODULE_LICENSE rpmsg: glink: Use best fit intent during tx rpmsg: glink: Add support to preallocate intents dt-bindings: soc: qcom: Support GLINK intents rpmsg: glink: Initialize the "intent_req_comp" completion variable rpmsg: Allow RPMSG_VIRTIO to be enabled via menuconfig or defconfig
2017-11-18Merge tag 'hwmon-for-linus-v4.15-take2' of ↵Linus Torvalds5-39/+20
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull more hwmon updates/fixes from Guenter Roeck: - minor bug fix in k10temp driver - take advantage of added NULL check in i2c_unregister_device() * tag 'hwmon-for-linus-v4.15-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (w83793) Remove duplicate NULL check hwmon: (w83792d) Remove duplicate NULL check hwmon: (w83791d) Remove duplicate NULL check hwmon: (w83781d) Remove duplicate NULL check hwmon: (k10temp) Correct model name for Ryzen 1600X
2017-11-18Merge tag 'clk-for-linus' of ↵Linus Torvalds146-965/+6114
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk updates from Stephen Boyd: "We have two changes to the core framework this time around. The first being a large change that introduces runtime PM support to the clk framework. Now we properly call runtime PM operations on the device providing a clk when the clk is in use. This helps on SoCs where the clks provided by a device need something to be powered on before using the clks, like power domains or regulators. It also helps power those things down when clks aren't in use. The other core change is a devm API addition for clk providers so we can get rid of a bunch of clk driver remove functions that are just doing of_clk_del_provider(). Outside of the core, we have the usual addition of clk drivers and smattering of non-critical fixes to existing drivers. The biggest diff is support for Mediatek MT2712 and MT7622 SoCs, but those patches really just add a bunch of data. By the way, we're trying something new here where we build the tree up with topic branches. We plan to work this into our workflow so that we don't step on each other's toes, and so the fixes branch can be merged on an as-needed basis. Summary: Core: - runtime PM support for clk providers - devm API for of_clk_add_hw_provider() New Drivers: - Mediatek MT2712 and MT7622 - Renesas R-Car V3M SoC Updates: - runtime PM support for Samsung exynos5433/exynos4412 providers - removal of clkdev aliases on Samsung SoCs - convert clk-gpio to use gpio descriptors - various driver cleanups to match kernel coding style - Amlogic Video Processing Unit VPU and VAPB clks - sigma-delta modulation for Allwinner audio PLLs - Allwinner A83t Display clks - support for the second display unit clock on Renesas RZ/G1E - suspend/resume support for Renesas R-Car Gen3 CPG/MSSR - new clock ids for Rockchip rk3188 and rk3368 SoCs - various 'const' markings on clk_ops structures - RPM clk support on Qualcomm MSM8996/MSM8660 SoCs" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (137 commits) clk: stm32h7: fix test of clock config clk: pxa: fix building on older compilers clk: sunxi-ng: a83t: Fix i2c buses bits clk: ti: dra7-atl-clock: fix child-node lookups clk: qcom: common: fix legacy board-clock registration clk: uniphier: fix DAPLL2 clock rate of Pro5 clk: uniphier: fix parent of miodmac clock data clk: hi3798cv200: correct parent mux clock for 'clk_sdio0_ciu' clk: hisilicon: Delete an error message for a failed memory allocation in hisi_register_clkgate_sep() clk: hi3660: fix incorrect uart3 clock freqency clk: kona-setup: Delete error messages for failed memory allocations ARC: clk: fix spelling mistake: "configurarion" -> "configuration" clk: cdce925: remove redundant check for non-null parent_name clk: versatile: Improve sizeof() usage clk: versatile: Delete error messages for failed memory allocations clk: ux500: Improve sizeof() usage clk: ux500: Delete error messages for failed memory allocations clk: spear: Delete error messages for failed memory allocations clk: ti: Delete error messages for failed memory allocations clk: mmp: Adjust checks for NULL pointers ...
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