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path: root/drivers/misc/pch_phub.c
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2016-08-31misc: pch_phub: Add UART_CLK quirk for Boston platformZubair Lutfullah Kakakhel1-0/+11
The EG20T has 4 UART blocks. The clock source for the UART block is configured to receive a clock from an external pin by default. An internal 25MHz clock in the EG20T can also be used as a clock source for the clock. The MIPS based Boston platform ties the external clock pin down and relies on the internal clock source for the UART to function. Boston is based on device tree. Add a quirk to allow Boston to be detected via device tree and set the correct clock source for UART. Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-08-31misc: pch_phub: Read prefetch value from device tree if passedZubair Lutfullah Kakakhel1-1/+8
The default prefetch value for the eg20t device is hard coded to 0x000affaa. Add support for an alternative to be read from DT if available Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-03-05pch_phub: return -ENODATA if ROM can't be mappedColin Ian King1-1/+3
The error return err is not initialized for the case when pci_map_rom fails and no ROM can me mapped. Fix this by setting ret to -ENODATA; (this is the same error value that is returned if the ROM data is successfully mapped but does not match the expected ROM signature.). Issue found from static code analysis using CoverityScan. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-09pch_phub: use kobj_to_dev()Geliang Tang1-4/+2
Use kobj_to_dev() instead of open-coding it. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-07pch_phub: Build context save/restore only for PMThierry Reding1-0/+2
The pch_phub_save_reg_conf() and pch_phub_restore_reg_conf() functions are only used for suspend/resume support (i.e. when PM is enabled). If PM is disabled they don't need to be built. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-09pch_phub: Report error writing MAC back to userAlexander Stein1-1/+4
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-06pch_phub: fix error return code in pch_phub_probe()Wei Yongjun1-19/+17
Error code had been assigned to retval in some error handling case but never use it, 0 is always returned in those case, this patch fix them to return a negative error code. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-04pch_phub: re-use native MAC address parserAndy Shevchenko1-6/+2
We have mac_pton() helper to parse MAC addresses. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-22misc: remove use of __devexitBill Pemberton1-1/+1
CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: "Michał Mirosław" <mirq-linux@rere.qmqm.pl> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Eric Piel <eric.piel@tremplin-utc.net> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-22misc: remove use of __devinitBill Pemberton1-1/+1
CONFIG_HOTPLUG is going away as an option so __devinit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: "Michał Mirosław" <mirq-linux@rere.qmqm.pl> Cc: Eric Piel <eric.piel@tremplin-utc.net> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-22drivers/misc: remove use of __devexit_pBill Pemberton1-1/+1
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: "Michał Mirosław" <mirq-linux@rere.qmqm.pl> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Eric Piel <eric.piel@tremplin-utc.net> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-16pch_phub: use module_pci_driverDevendra Naga1-12/+1
this driver's pch_phub_pci_init, and pch_phub_pci_exit functions with the module_init and module_exit calls can be replaced with module_pci_driver Signed-off-by: Devendra Naga <develkernel412222@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-16pch_phub: fix sparse warningDevendra Naga1-1/+1
sparse warns about using 0 as NULL pointer, drivers/misc/pch_phub.c:702:44: warning: Using plain integer as NULL pointer Signed-off-by: Devendra Naga <develkernel412222@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-19pch_phub: delete duplicate definitionsTomoya MORINAGA1-4/+0
Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2011-11-15pch_phub: Fix MAC address writing issue for LAPIS ML7831Tomoya MORINAGA1-1/+1
ISSUE: Using ML7831, MAC address writing doesn't work well. CAUSE: ML7831 and EG20T have the same register map for MAC address access. However, this driver processes the writing the same as ML7223. This is not true. This driver must process the writing the same as EG20T. This patch fixes the issue. Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com> Cc: Masayuki Ohtak <masa-korg@dsn.okisemi.com> Cc: Alexander Stein <alexander.stein@systec-electronic.com> Cc: Denis Turischev <denis@compulab.co.il> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15pch_phub: Improve ADE(Address Decode Enable) controlTomoya MORINAGA1-17/+34
Currently, external ROM access is enabled/disabled in probe()/remove(). So, when a buggy software access unanticipated memory area, in case of enabling this ADE bit, external ROM memory area can be broken. This patch enables the ADE bit only accessing external ROM area. Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com> Cc: Masayuki Ohtak <masa-korg@dsn.okisemi.com> Cc: Alexander Stein <alexander.stein@systec-electronic.com> Cc: Denis Turischev <denis@compulab.co.il> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15pch_phub: Change company name OKI SEMICONDUCTOR to LAPIS SemiconductorTomoya MORINAGA1-4/+4
On October 1 in 2011, OKI SEMICONDUCTOR Co., Ltd. changed the company name in to LAPIS Semiconductor Co., Ltd. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15pch_phub: Support new device LAPIS Semiconductor ML7831 IOHTomoya MORINAGA1-0/+20
ML7831 is companion chip for Intel Atom E6xx series. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23pch_phub: use kernel's '%pM' format option to print MACAndy Shevchenko1-2/+1
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23pch_phub: Care FUNCSEL register in PMTomoya MORINAGA1-0/+7
Only ML7213/ML7223(Bus-n) has this register. Currently,this driver doesn't care register "FUNCSEL" in suspend/resume. This patch saves/restores FUNCSEL register only when the device is ML7213 or ML7223(Bus-n). Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-07-26Merge branch 'tty-next' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 * 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (26 commits) amba pl011: workaround for uart registers lockup n_gsm: fix the wrong FCS handling pch_uart: add missing comment about OKI ML7223 pch_uart: Add MSI support tty: fix "IRQ45: nobody cared" PTI feature to allow user to name and mark masterchannel request. 0 for o PTI Makefile bug. tty: serial: samsung.c remove legacy PM code. SERIAL: SC26xx: Fix link error. serial: mrst_max3110: initialize waitqueue earlier mrst_max3110: Change max missing message priority. tty: s5pv210: Add delay loop on fifo reset function for UART tty/serial: Fix XSCALE serial ports, e.g. ce4100 serial: bfin_5xx: fix off-by-one with resource size drivers/tty: use printk_ratelimited() instead of printk_ratelimit() tty: n_gsm: Added refcount usage to gsm_mux and gsm_dlci structs tty: n_gsm: Add raw-ip support tty: n_gsm: expose gsmtty device nodes at ldisc open time pch_phub: Fix register miss-setting issue serial: 8250, increase PASS_LIMIT ...
2011-07-26drivers/misc/pch_phub.c: don't oops if dmi_get_system_info returns NULLAlexander Stein1-1/+4
If dmi_get_system_info() returns NULL, pch_phub_probe() will dereferencea a zero pointer. This oops was observed on an Atom based board which has no BIOS, but a bootloder which doesn't privde DMI data. Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Cc: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Cc: Greg KH <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-02pch_phub: Fix register miss-setting issueTomoya MORINAGA1-2/+2
Register "interrupt delay value" is for GbE which is connected to Bus-m of PCIe. However currently, the value is set for Bus-n. As a result, the value is not set correctly. This patch moves setting the value processing of Bus-n to Bus-m. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-05-12pch_phub: Support new device ML7223Tomoya MORINAGA1-24/+129
Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub). The ML7223 IOH is for MP(Media Phone) use. The ML7223 is companion chip for Intel Atom E6xx series. The ML7223 is completely compatible for Intel EG20T PCH. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-03-23drivers/misc/pch_phub.c: add MODULE_DEVICE_TABLEAxel Lin1-0/+1
The device table is required to load modules based on modaliases. Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Masayuki Ohtak <masa-korg@dsn.okisemi.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-17Merge branch 'tty-next' of ↵Linus Torvalds1-0/+20
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 * 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (76 commits) pch_uart: reference clock on CM-iTC pch_phub: add new device ML7213 n_gsm: fix UIH control byte : P bit should be 0 n_gsm: add a documentation serial: msm_serial_hs: Add MSM high speed UART driver tty_audit: fix tty_audit_add_data live lock on audit disabled tty: move cd1865.h to drivers/staging/tty/ Staging: tty: fix build with epca.c driver pcmcia: synclink_cs: fix prototype for mgslpc_ioctl() Staging: generic_serial: fix double locking bug nozomi: don't use flush_scheduled_work() tty/serial: Relax the device_type restriction from of_serial MAINTAINERS: Update HVC file patterns tty: phase out of ioctl file pointer for tty3270 as well tty: forgot to remove ipwireless from drivers/char/pcmcia/Makefile pch_uart: Fix DMA channel miss-setting issue. pch_uart: fix exclusive access issue pch_uart: fix auto flow control miss-setting issue pch_uart: fix uart clock setting issue pch_uart : Use dev_xxx not pr_xxx ... Fix up trivial conflicts in drivers/misc/pch_phub.c (same patch applied twice, then changes to the same area in one branch)
2011-03-15pch_uart: reference clock on CM-iTCDenis Turischev1-0/+16
Default clock source for UARTs on Topcliff is external UART_CLK. On CM-iTC USB_48MHz is used instead. After VCO2PLL and DIV manipulations UARTs will receive 192 MHz. Clock manipulations on Topcliff are controlled in pch_phub.c v2: redone against the linux-next tree v3: redone against linux/kernel/git/next/linux-next.git snapshot Signed-off-by: Denis Turischev <denis@compulab.co.il> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-03-15pch_phub: add new device ML7213Tomoya MORINAGA1-22/+47
Add ML7213 device information. ML7213 is companion chip of Intel Atom E6xx series for IVI(In-Vehicle Infotainment). ML7213 is completely compatible for Intel EG20T PCH. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-02-04pch_phub: add new device ML7213Tomoya MORINAGA1-22/+47
Add ML7213 device information. ML7213 is companion chip of Intel Atom E6xx series for IVI(In-Vehicle Infotainment). ML7213 is completely compatible for Intel EG20T PCH. Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22pch_phub: fix build warningsGreg Kroah-Hartman1-5/+5
This patch fixes up all of the build warnings for the pch_phub driver. Cc: Masayuki Ohtake <masa-korg@dsn.okisemi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22add Packet hub driver for Topcliff Platform controller hubMasayuki Ohtak1-0/+717
Packet hub driver of Topcliff PCH Topcliff PCH is the platform controller hub that is going to be used in Intel's upcoming general embedded platform. All IO peripherals in Topcliff PCH are actually devices sitting on AMBA bus. Packet hub is a special converter device in Topcliff PCH that translate AMBA transactions to PCI Express transactions and vice versa. Thus packet hub helps present all IO peripherals in Topcliff PCH as PCIE devices to IA system. Topcliff PCH has MAC address and Option ROM data. These data are in SROM which is connected to PCIE bus. Packet hub driver of Topcliff PCH can access MAC address and Option ROM data in SROM via sysfs interface. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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