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2013-04-08Merge git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds2-1/+2
Pull KVM fix from Gleb Natapov: "Bugfix for the regression introduced by commit c300aa64ddf5" * git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: Allow cross page reads and writes from cached translations.
2013-04-07cgroup: remove cgroup_lock_is_held()Tejun Heo1-4/+9
We don't want controllers to assume that the information is officially available and do funky things with it. The only user is task_subsys_state_check() which uses it to verify RCU access context. We can move cgroup_lock_is_held() inside CONFIG_PROVE_RCU but that doesn't add meaningful protection compared to conditionally exposing cgroup_mutex. Remove cgroup_lock_is_held(), export cgroup_mutex iff CONFIG_PROVE_RCU and use lockdep_is_held() directly on the mutex in task_subsys_state_check(). While at it, add parentheses around macro arguments in task_subsys_state_check(). Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
2013-04-07cgroup: unexport locking interface and cgroup_attach_task()Tejun Heo1-5/+0
Now that all external cgroup_lock() users are gone, we can finally unexport the locking interface and prevent future abuse of cgroup_mutex. Make cgroup_[un]lock() and cgroup_lock_live_group() static. Also, cgroup_attach_task() doesn't have any user left and can't be used without locking interface anyway. Make it static too. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
2013-04-07cgroup, cpuset: replace move_member_tasks_to_cpuset() with ↵Tejun Heo1-0/+1
cgroup_transfer_tasks() When a cpuset becomes empty (no CPU or memory), its tasks are transferred with the nearest ancestor with execution resources. This is implemented using cgroup_scan_tasks() with a callback which grabs cgroup_mutex and invokes cgroup_attach_task() on each task. Both cgroup_mutex and cgroup_attach_task() are scheduled to be unexported. Implement cgroup_transfer_tasks() in cgroup proper which is essentially the same as move_member_tasks_to_cpuset() except that it takes cgroups instead of cpusets and @to comes before @from like normal functions with those arguments, and replace move_member_tasks_to_cpuset() with it. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
2013-04-07Merge branch 'master' of git://1984.lsi.us.es/nf-nextDavid S. Miller2-6/+34
Pablo Neira Ayuso says: ==================== The following patchset contains Netfilter and IPVS updates for your net-next tree, most relevantly they are: * Add net namespace support to NFLOG, ULOG and ebt_ulog and NFQUEUE. The LOG and ebt_log target has been also adapted, but they still depend on the syslog netnamespace that seems to be missing, from Gao Feng. * Don't lose indications of congestion in IPv6 fragmentation handling, from Hannes Frederic Sowa.i * IPVS conversion to use RCU, including some code consolidation patches and optimizations, also some from Julian Anastasov. * cpu fanout support for NFQUEUE, from Holger Eitzenberger. * Better error reporting to userspace when dropping packets from all our _*_[xfrm|route]_me_harder functions, from Patrick McHardy. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-07remoteproc: support virtio config space.Sjur Brændeland1-4/+0
Support virtio configuration space and device status. The virtio device can now access the resource table in shared memory. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Acked-by: Ido Yariv <ido@wizery.com> [rebase and style changes] Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
2013-04-07remoteproc: perserve resource table dataOhad Ben-Cohen1-0/+9
Copy resource table from first to second firmware loading. After firmware is loaded to memory, update the vdevs resource pointer to the resource table kept in device memory. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Acked-by: Ido Yariv <ido@wizery.com> [rebase, terminology and style changes] Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
2013-04-07KVM: Allow cross page reads and writes from cached translations.Andrew Honig2-1/+2
This patch adds support for kvm_gfn_to_hva_cache_init functions for reads and writes that will cross a page. If the range falls within the same memslot, then this will be a fast operation. If the range is split between two memslots, then the slower kvm_read_guest and kvm_write_guest are used. Tested: Test against kvm_clock unit tests. Signed-off-by: Andrew Honig <ahonig@google.com> Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-04-07spi: Initialize cs_gpio and cs_gpios with -ENOENTAndreas Larsson1-2/+2
The return value from of_get_named_gpio is -ENOENT when the given index matches a hole in the "cs-gpios" property phandle list. However, the default value of cs_gpio in struct spi_device and entries of cs_gpios in struct spi_master is -EINVAL, which is documented to indicate that a GPIO line should not be used for the given spi_device. This sets the default value of cs_gpio in struct spi_device and entries of cs_gpios in struct spi_master to -ENOENT. Thus, -ENOENT is the only value used to indicate that no GPIO line should be used. Signed-off-by: Andreas Larsson <andreas@gaisler.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-04-07spi/tegra: remove unused Tegra platform data headerStephen Warren1-40/+0
The platform data header is no longer used. Delete it. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2013-04-06Merge tag 'pci-v3.9-fixes-1' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fixes from Bjorn Helgaas: "PCI updates for v3.9: ASPM Revert "PCI/ACPI: Request _OSC control before scanning PCI root bus" kexec PCI: Don't try to disable Bus Master on disconnected PCI devices Platform ROM images PCI: Add PCI ROM helper for platform-provided ROM images nouveau: Attempt to use platform-provided ROM image radeon: Attempt to use platform-provided ROM image Hotplug PCI/ACPI: Always resume devices on ACPI wakeup notifications PCI/PM: Disable runtime PM of PCIe ports EISA EISA/PCI: Fix bus res reference EISA/PCI: Init EISA early, before PNP" * tag 'pci-v3.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI/PM: Disable runtime PM of PCIe ports PCI/ACPI: Always resume devices on ACPI wakeup notifications PCI: Don't try to disable Bus Master on disconnected PCI devices Revert "PCI/ACPI: Request _OSC control before scanning PCI root bus" radeon: Attempt to use platform-provided ROM image nouveau: Attempt to use platform-provided ROM image EISA/PCI: Init EISA early, before PNP EISA/PCI: Fix bus res reference PCI: Add PCI ROM helper for platform-provided ROM images
2013-04-06Merge tag 'usb-for-v3.10' of ↵Greg Kroah-Hartman12-26/+203
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next Felipe writes: usb: patches for v3.10 merge window Here is the big Gadget & PHY pull request. Many of us have been really busy lately getting multiple drivers to a better position. Since this pull request is so large, I will divide it in sections so it's easier to grasp what's included. - cleanups: . UDC drivers no longer touch gadget->dev, that's now udc-core responsibility . Many more UDC drivers converted to usb_gadget_map/unmap_request() . UDC drivers no longer initialize DMA-related fields from gadget's device structure . UDC drivers don't touch gadget.dev.driver directly . UDC drivers don't assign gadget.dev.release directly . Removal of some unused DMA_ADDR_INVALID . Introduction of CONFIG_USB_PHY . All phy drivers have been moved to drivers/usb/phy and renamed to a common naming scheme . Fix PHY layer so it never returns a NULL pointer, also fix all callers to avoid using IS_ERR_OR_NULL() . Sparse fixes all over the place . drivers/usb/otg/ has been deleted . Marvel drivers (mv_udc, ehci-mv, mv_otg and mv_u3d) improved clock usage - new features: . UDC core now provides a generic way for tracking and reporting UDC's state (not attached, resuming, suspended, addressed, default, etc) . twl4030-usb learned that it shouldn't be enabled during init . Full DT support for DWC3 has been implemented . ab8500-usb learned about pinctrl framework . nop PHY learned about DeviceTree and regulators . DWC3 learned about suspend/resume . DWC3 can now be compiled in host-only and gadget-only (as well as DRD) configurations . UVC now enables streaming endpoint based on negotiated speed . isp1301 now implements the PHY API properly . configfs-based interface for gadget drivers which will lead to the removal of all code which just combines functions together to build functional gadget drivers. . f_serial and f_obex were converted to new configfs interface while maintaining old interface around. - non-critical fixes: . UVC gadget driver got fixes for Endpoint usage and stream calculation . ab8500-usb fixed unbalanced clock and regulator API usage . twl4030-usb got a fix for when OMAP3 is booted with cable connected . fusb300_udc got a fix for DMA usage . UVC got fixes for two assertions of the USB Video Class Compliance specification revision 1.1 . build warning issues caused by recent addition of __must_check to regulator API These are all changes which deserve a mention, all other changes are related to these one or minor spelling fixes and other similar tasks. Signed-of-by: Felipe Balbi <balbi@ti.com>
2013-04-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds2-1/+8
Pull networking fixes from David Miller: 1) Fix erroneous sock_orphan() leading to crashes and double kfree_skb() in NFC protocol. From Thierry Escande and Samuel Ortiz. 2) Fix use after free in remain-on-channel mac80211 code, from Johannes Berg. 3) nf_reset() needs to reset the NF tracing cookie, otherwise we can leak it from one namespace into another. Fix from Gao Feng and Patrick McHardy. 4) Fix overflow in channel scanning array of mwifiex driver, from Stone Piao. 5) Fix loss of link after suspend/shutdown in r8169, from Hayes Wang. 6) Synchronization of unicast address lists to the undelying device doesn't work because whether to sync is maintained as a boolean rather than a true count. Fix from Vlad Yasevich. 7) Fix corruption of TSO packets in atl1e by limiting the segmented packet length. From Hannes Frederic Sowa. 8) Revert bogus AF_UNIX credential passing change and fix the coalescing issue properly, from Eric W Biederman. 9) Changes of ipv4 address lifetime settings needs to generate a notification, from Jiri Pirko. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (22 commits) netfilter: don't reset nf_trace in nf_reset() net: ipv4: notify when address lifetime changes ixgbe: fix registration order of driver and DCA nofitication af_unix: If we don't care about credentials coallesce all messages Revert "af_unix: dont send SCM_CREDENTIAL when dest socket is NULL" bonding: remove sysfs before removing devices atl1e: limit gso segment size to prevent generation of wrong ip length fields net: count hw_addr syncs so that unsync works properly. r8169: fix auto speed down issue netfilter: ip6t_NPT: Fix translation for non-multiple of 32 prefix lengths mwifiex: limit channel number not to overflow memory NFC: microread: Fix build failure due to a new MEI bus API iwlwifi: dvm: fix the passive-no-RX workaround netfilter: nf_conntrack: fix error return code NFC: llcp: Keep the connected socket parent pointer alive mac80211: fix idle handling sequence netfilter: nfnetlink_acct: return -EINVAL if object name is empty netfilter: nfnetlink_queue: fix error return code in nfnetlink_queue_init() netfilter: reset nf_trace in nf_reset mac80211: fix remain-on-channel cancel crash ...
2013-04-05netfilter: don't reset nf_trace in nf_reset()Patrick McHardy1-0/+4
Commit 130549fe ("netfilter: reset nf_trace in nf_reset") added code to reset nf_trace in nf_reset(). This is wrong and unnecessary. nf_reset() is used in the following cases: - when passing packets up the the socket layer, at which point we want to release all netfilter references that might keep modules pinned while the packet is queued. nf_trace doesn't matter anymore at this point. - when encapsulating or decapsulating IPsec packets. We want to continue tracing these packets after IPsec processing. - when passing packets through virtual network devices. Only devices on that encapsulate in IPv4/v6 matter since otherwise nf_trace is not used anymore. Its not entirely clear whether those packets should be traced after that, however we've always done that. - when passing packets through virtual network devices that make the packet cross network namespace boundaries. This is the only cases where we clearly want to reset nf_trace and is also what the original patch intended to fix. Add a new function nf_reset_trace() and use it in dev_forward_skb() to fix this properly. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-05netfilter: remove unneeded variable proc_net_netfilterPablo Neira Ayuso1-5/+0
Now that this supports net namespace for nflog and nfqueue, we can remove the global proc_net_netfilter which has no clients anymore. Based on patch from Gao feng. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-04-05mfd: syscon: Add non-DT supportAlexander Shiyan1-0/+1
This patch allow using syscon driver from the platform data, i.e. possibility using driver on systems without oftree support. For search syscon device from the client drivers, "syscon_regmap_lookup_by_pdevname" function was added. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-04-05mtd: nand: subpage write support for hardware based ECC schemesGupta, Pekon1-2/+6
This patch adds support for subpage (partial-page) writes when using hardware based ECC schemes. Advantages: (1) reduces storage overhead when using file-systems like UBIFS, which store LEB header at page-size granularity. (2) allows independent subpage writes, thereby increasing NAND storage efficiency for non-page aligned data. + updated cafe_nand and lpc32xx_mlc NAND drivers for change in chip->write_page interface. Signed-off-by: Gupta, Pekon <pekon@ti.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand_ids: improve LEGACY_ID_NAND macro a bitArtem Bityutskiy1-5/+4
Notice that all the flashes belonging to the "legacy ID" class have 512 bytes NAND page. This means we may simplify the 'LEGACY_ID_NAND()' macro as well as the NAND ID table a little. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: add new fields to nand_flash_dev{}Huang Shijie1-0/+4
As time goes on, we begin to meet the situation that we can not get enough information from some nand chips's id data. Take some Toshiba's nand chips for example. I have 4 Toshiba's nand chips in my hand: TC58NVG2S0F, TC58NVG3S0F, TC58NVG5D2, TC58NVG6D2 When we read these chips' datasheets, we will get the geometry of these chips: TC58NVG2S0F : 4096 + 224 TC58NVG3S0F : 4096 + 232 TC58NVG5D2 : 8192 + 640 TC58NVG6D2 : 8192 + 640 But we can not parse out the correct oob size for these chips from the id data. This patch adds some new fields to the nand_flash_dev{}: @id_len: the valid length of the id data. See the comments in nand_id_has_period() @oobsize: the oob size. Signed-off-by: Huang Shijie <b32955@freescale.com> Reviewed-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: introduce a macro for max NAND ID sequence lengthArtem Bityutskiy1-1/+4
Introduce a helpful macro for the maximum NAND ID sequence length instead of using the "8" magic number. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Huang Shijie <shijie8@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand: use more reasonable integer typesArtem Bityutskiy1-5/+5
Use 'unsigned int' instead of 'unsigned long' in the NAND chip description data structure, because 32-bits is more than enough for our purposes. We do not need 64-bits, which is what we end up on 64-bit architectures. We declare many instances of this data structure, so this should help saving some amount of memory. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: physmap: add const qualifiersArtem Bityutskiy1-1/+1
Be a bit stricter and add few more 'const' qualifiers. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: plat-ram: add const quilifiersArtem Bityutskiy1-2/+2
Be a bit stricter and add few more 'const' qualifiers. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: add 'const' qualifier to a couple of register functionsArtem Bityutskiy1-4/+4
'mtd_device_parse_register()' and 'parse_mtd_partitions()' functions accept a an array of character pointers. These functions modify neither the pointers nor the characters they point to. The characters are actually names of the MTD parsers. At the moment, the argument type is 'const char **', which means that only the names of the parsers are constant. Let's turn the argument type into 'const char * const *', which means that both names and the pointers which point to them are constant. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: devices: elm: check for device's presence before configurationDaniel Mack1-1/+1
In case the driver is not probed - due to config mismatches or errors in the DTS files - dev_get_drvdata() returns NULL, leading to an Ooops during boot. Make elm_config() return an error in such cases to propagate the error up to the user, so it can fall back to software mode. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand: provision full ID supportArtem Bityutskiy1-6/+17
Up until now we identified NAND chips by the 'device ID' part of the full chip ID array, which is the second full ID array byte. However, the newest flashes use the same device ID for chips with identical page and eraseblock sizes, but different OOB sizes. And unfortunately, it is not clear if there is a "standard" way to fetch the OOB size from chip's full ID array. Here is an example: Toshiba TC58NVG2S0F: 0x98, 0xdc, 0x90, 0x26, 0x76, 0x15, 0x01, 0x08 Toshiba TC58NVG3S0F: 0x98, 0xd3, 0x90, 0x26, 0x76, 0x15, 0x02, 0x08 The first one is a 512MiB NAND chip with 4KiB NAND pages, 256KiB eraseblock size and 224 bytes OOB. The second one is a 1GiB NAND chip with the same page and eraseblock sizes, but with 232 bytes OOB. This means that we have to store full ID in our NAND flashes table in order to distinguish between these 2. This patch adds the 'id[8]' field to the 'struct nand_flash_dev' structure, and it makes it to be a part of anonymous union, where the second member is a structure containing the 'mfr_id' and 'dev_id' bytes. The union makes sure that 'mfr_id' refers the same RAM address as 'id[0]' and 'dev_id' refers the same RAM address as 'id[1]'. The only motivation for the union is an assumption that 'type->dev_id' is more readable than 'type->id[1]'. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand_ids: introduce helper macrosArtem Bityutskiy1-0/+24
Introduce helper macros for defining NAND chips. These macros do not really add much value in the current code-base. However, we are going to add full ID support which adds some more complexity to the table, and helper macros become useful for readability. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand: rename the id field of 'struct nand_flash_dev'Artem Bityutskiy1-10/+9
The 'id' is a bit confusing name because NAND IDs are multi-byte. Re-name it to 'dev_id' to make it clear that this is the "device ID" part (the second byte). While on it, clean-up the commentary for 'struct nand_flash_dev'. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand: use NAND_HAS_CACHEPROGArtem Bityutskiy1-1/+1
We have this unused macro, let's use it and justify its existence. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand: remove NAND_COPYBACK macroArtem Bityutskiy1-4/+1
It is unused. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand: remove NAND_NO_PADDING macroArtem Bityutskiy1-5/+1
It is not used anywhere. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand: remove a bunch of unused commandsArtem Bityutskiy1-20/+0
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05mtd: nand: remove AG-AND supportArtem Bityutskiy1-16/+0
We have only one AG-AND driver and it was not touched since 2005. It looks like AG-AND was not really make it to mass-production and can be considered a dead technology. Along with the AG-AND support, this patch removes the BBT_AUTO_REFRESH feature, because the only user of this feature is AG-AND. And even though it is implemented as a generic feature, I prefer to remove it because NAND flashes do not really need it in this form. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2013-04-05regulator: max8952: Add Device Tree supportTomasz Figa1-4/+4
This patch adds Device Tree support to max8952 regulator driver. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-05regulator: max8952: Separate constraints from platform data structTomasz Figa1-1/+1
This patch modifies platform data structure of max8952 driver to use pointer to regulator_init_data struct instead of embedding it. This is a prerequisite for adding Device Tree support for the driver. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-05input: matrix-keymap: Add function to read the new DT bindingSimon Glass1-0/+19
We now have a binding which adds two parameters to the matrix keypad DT node. This is separate from the GPIO-driven matrix keypad binding, and unfortunately incompatible, since that uses row-gpios/col-gpios for the row and column counts. So the easiest option here is to provide a function for non-GPIO drivers to use to decode the binding. Note: We could in fact create an entirely separate structure to hold these two fields, but it does not seem worth it, yet. If we have more parameters then we can add this, and then refactor each driver to hold such a structure. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Tested-by: Sourav Poddar <sourav.poddar@ti.com> (v2) Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-04-05mfd: Add ChromeOS EC implementationSimon Glass1-0/+170
This is the base EC implementation, which provides a high level interface to the EC for use by the rest of the kernel. The actual communcations is dealt with by a separate protocol driver which registers itself with this interface. Interrupts are passed on through a notifier. A simple message structure is used to pass messages to the protocol driver. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Che-Liang Chiou <clchiou@chromium.org> Signed-off-by: Jonathan Kliegman <kliegs@chromium.org> Signed-off-by: Luigi Semenzato <semenzato@chromium.org> Signed-off-by: Olof Johansson <olofj@chromium.org> Signed-off-by: Vincent Palatin <vpalatin@chromium.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-04-05mfd: Add ChromeOS EC messages headerSimon Glass1-0/+1369
This file is included verbatim from the ChromeOS EC respository. Ideally we would prefer to avoid changing it, to make it easier to track this rapidly-changing file. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Che-Liang Chiou <clchiou@chromium.org> Signed-off-by: Vincent Palatin <vpalatin@chromium.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2013-04-05net: count hw_addr syncs so that unsync works properly.Vlad Yasevich1-1/+1
A few drivers use dev_uc_sync/unsync to synchronize the address lists from master down to slave/lower devices. In some cases (bond/team) a single address list is synched down to multiple devices. At the time of unsync, we have a leak in these lower devices, because "synced" is treated as a boolean and the address will not be unsynced for anything after the first device/call. Treat "synced" as a count (same as refcount) and allow all unsync calls to work. Signed-off-by: Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-05Merge tag 'drm-intel-next-2013-03-23' of ↵Dave Airlie2-0/+15
git://people.freedesktop.org/~danvet/drm-intel into drm-next Daniel writes: Highlights: - Imre's for_each_sg_pages rework (now also with the stolen mem backed case fixed with a hack) plus the drm prime sg list coalescing patch from Rahul Sharma. I have some follow-up cleanups pending, already acked by Andrew Morton. - Some prep-work for the crazy no-pch/display-less platform by Ben. - Some vlv patches, by far not all (Jesse et al). - Clean up the HDMI/SDVO #define confusion (Paulo) - gen2-4 vblank fixes from Ville. - Unclaimed register warning fixes for hsw (Paulo). More still to come ... - Complete pageflips which have been stuck in a gpu hang, should prevent stuck gl compositors (Ville). - pm patches for vt-switchless resume (Jesse). Note that the i915 enabling is not (yet) included, that took a bit longer to settle. PM patches are acked by Rafael Wysocki. - Minor fixlets all over from various people. * tag 'drm-intel-next-2013-03-23' of git://people.freedesktop.org/~danvet/drm-intel: (79 commits) drm/i915: Implement WaSwitchSolVfFArbitrationPriority drm/i915: Set the VIC in AVI infoframe for SDVO drm/i915: Kill a strange comment about DPMS functions drm/i915: Correct sandybrige overclocking drm/i915: Introduce GEN7_FEATURES for device info drm/i915: Move num_pipes to intel info drm/i915: fixup pd vs pt confusion in gen6 ppgtt code style nit: Align function parameter continuation properly. drm/i915: VLV doesn't have HDMI on port C drm/i915: DSPFW and BLC regs are in the display offset range drm/i915: set conservative clock gating values on VLV v2 drm/i915: fix WaDisablePSDDualDispatchEnable on VLV v2 drm/i915: add more VLV IDs drm/i915: use VLV DIP routines on VLV v2 drm/i915: add media well to VLV force wake routines v2 drm/i915: don't use plane pipe select on VLV drm: modify pages_to_sg prime helper to create optimized SG table drm/i915: use for_each_sg_page for setting up the gtt ptes drm/i915: create compact dma scatter lists for gem objects drm/i915: handle walking compact dma scatter lists ...
2013-04-05Merge tag 'pm+acpi-3.9-rc6' of ↵Linus Torvalds1-8/+8
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes from Rafael Wysocki: - Revert of a recent cpuidle change that caused Nehalem machines to hang on boot from Alex Shi. - USB power management fix addressing a crash in the port device object's release routine from Rafael J Wysocki. - Device PM QoS fix for a potential deadlock related to sysfs interface from Rafael J Wysocki. - Fix for a cpufreq crash when the /cpus Device Tree node is missing from Paolo Pisati. - Fix for a build issue on ia64 related to the Boot Graphics Resource Table (BGRT) from Tony Luck. - Two fixes for ACPI handles being set incorrectly for device objects that don't correspond to any ACPI namespace nodes in the I2C and SPI subsystems from Rafael J Wysocki. - Fix for compiler warnings related to CONFIG_PM_DEVFREQ being unset from Rajagopal Venkat. - Fix for a symbol definition typo in cpufreq_governor.h from Borislav Petkov. * tag 'pm+acpi-3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / BGRT: Don't let users configure BGRT on non X86 systems cpuidle / ACPI: recover percpu ACPI processor cstate ACPI / I2C: Use parent's ACPI_HANDLE() in acpi_i2c_register_devices() cpufreq: Correct header guards typo ACPI / SPI: Use parent's ACPI_HANDLE() in acpi_register_spi_devices() cpufreq: check OF node /cpus presence before dereferencing it PM / devfreq: Fix compiler warnings for CONFIG_PM_DEVFREQ unset PM / QoS: Avoid possible deadlock related to sysfs access USB / PM: Don't try to hide PM QoS flags from usb_port_device_release()
2013-04-05clk: tegra: defer application of init tableStephen Warren1-0/+1
The Tegra clock driver is initialized during the ARM machine descriptor's .init_irq() hook. It can't be initialized earlier, since dynamic memory usage is required. It can't be initialized later, since the .init_timer() hook needs the clocks initialized. However, at this time, udelay() doesn't work. The Tegra clock initialization table may enable some PLLs. Enabling a PLL may require usage of udelay(). Hence, this can't happen right when the clock driver is initialized. To solve this, separate the clock driver initialization from the clock table processing, so they can execute at separate times. Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-04-05Merge remote-tracking branch 'linaro_mturquette_linux/clk-for-3.10' into ↵Stephen Warren3-2/+73
for-3.10/clk
2013-04-05Merge branch 'master' of git://1984.lsi.us.es/nfDavid S. Miller1-0/+3
Pablo Neira Ayuso says: ==================== The following patchset contains netfilter updates for your net tree, they are: * Fix missing the skb->trace reset in nf_reset, noticed by Gao Feng while using the TRACE target with several net namespaces. * Fix prefix translation in IPv6 NPT if non-multiple of 32 prefixes are used, from Matthias Schiffer. * Fix invalid nfacct objects with empty name, they are now rejected with -EINVAL, spotted by Michael Zintakis, patch from myself. * A couple of fixes for wrong return values in the error path of nfnetlink_queue and nf_conntrack, from Wei Yongjun. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-05timekeeping: Store cycle_last value in timekeeper struct as wellThomas Gleixner1-0/+2
For implementing a shadow timekeeper and a split calculation/update region we need to store the cycle_last value in the timekeeper and update the value in the clocksource struct only in the update region. Add the extra storage to the timekeeper. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-04-05ntp: Move do_adjtimex() and hardpps() functions to timekeeping.cJohn Stultz1-7/+0
In preparation for changing the ntp locking rules, move do_adjtimex and hardpps accessor functions to timekeeping.c, but keep the code logic in ntp.c. This patch also introduces a ntp_internal.h file so timekeeping specific interfaces of ntp.c can be more limitedly shared with timekeeping.c. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Richard Cochran <richardcochran@gmail.com> Cc: Prarit Bhargava <prarit@redhat.com> Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-04-04spi: mxs-spi: move to use generic DMA helperShawn Guo1-3/+1
With the generic DMA device tree helper supported by mxs-dma driver, client devices only need to call dma_request_slave_channel() for requesting a DMA channel from dmaengine. Since mxs is a DT only platform now, along with the changes, the non-DT case handling in probe function also gets removed. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2013-04-04video: mxsfb: remove mxsfb_platform_dataShawn Guo1-42/+0
None of mxsfb users uses mxsfb_platform_data now. Let's remove it from mxsfb driver. As the result, include/linux/mxsfb.h gets deleted with a few macros moved into mxsfb.c. Along with the change, the typo "FAILING" in macro name is fixed to be "FALLING". Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-04-04video: mxsfb: remove dotclk_delay from platform_dataShawn Guo1-1/+0
There is no in-tree mxsfb users using mxsfb_platform_data dotclk_delay. Let's remove it from mxsfb_platform_data to ease full device tree adoption of mxsfb driver. If later we have platform/board need to configure this parameter, we can add it into device tree bindings. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-04-04video: mxsfb: remove fb_phys/fb_size from platform_dataShawn Guo1-9/+0
There is no in-tree users of mxsfb_platform_data fb_phys/fb_size. With CMA support in the kernel, there is no real need for platform to reserve memory and pass address and size into driver via platform_data. So let's remove fb_phys/fb_size from mxsfb_platform_data to ease full device tree adoption. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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