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2014-07-20i2c: stub: Avoid an array overrun on I2C block transfersJean Delvare1-0/+2
I2C block transfers can have a size up to 32 bytes. If starting close to the end of the address space, there may not be enough room to write that many bytes (on I2C block writes) or not enough bytes to be read (on I2C block reads.) In that case, we must shorten the transfer so that it does not exceed the address space. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-17i2c: i801: Add device ID for Intel Wildcat Point PCHJean Delvare3-0/+5
Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-17i2c: i801: Fix the alignment of the device tableJean Delvare1-68/+68
A long name broke the alignment, shift the columns a bit to fix it and make the table look nice again. While we're here, switch to the standard comment style to make checkpatch happy, and use tabs instead of spaces for column alignment. Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-17i2c: stub: Add support for banked register rangesJean Delvare2-14/+128
Some chips implement banked register ranges. This allows implementing more registers than the limited 8-bit address space originally allows. In order to access a register on these chips, you must first select the proper bank. Add support for this mechanism to the i2c-stub driver so that such chips can be emulated. All the bank settings are passed as module parameters. Signed-off-by: Jean Delvare <jdelvare@suse.de> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-17i2c: stub: Remember the number of emulated chipsJean Delvare1-3/+6
This makes initialization, cleanup and look-up easier. Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-17i2c: stub: Add support for SMBus block commandsGuenter Roeck2-7/+104
SMBus block commands are different to I2C block commands since the returned data is not normally accessible with byte or word commands on other command offsets. Add linked list of 'block' commands to support those commands. Access mechanism is quite simple: Block commands must be written before they can be read. Subsequent writes can be partial. Block read commands always return the number of bytes associated with the longest previous write. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-17i2c: efm32: correct namespacing of location propertyUwe Kleine-König2-3/+9
Olof Johansson pointed out that usually the company name is picked as namespace prefix to specific properties. So expect "energymicro,location" but fall back to the previously introduced name "efm32,location". Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-17i2c: exynos5: remove extra line and fix an assignmentNaveen Krishna Ch1-2/+1
This patch does the following in exynos5_i2c_message_start() function 1. Fixes an assignment As, "i2c_auto_conf" is initialized to '0' at the beginning of the function and HSI2C_READ_WRITE is defined as (1u << 16) Using "|=" for the first assignment is more readable. 2. Removes an extra line Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-17i2c: exynos5: remove an unnecessary read of FIFO_STATUS registerNaveen Krishna Ch1-1/+0
This patch removes an extra read of FIFO_STATUS register in the interrrupt service routine. Which is read again before the actual use. Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: exynos5: Properly use the "noirq" variants of suspend/resumeDoug Anderson1-2/+10
The original code for the exynos i2c controller registered for the "noirq" variants. However during review feedback it was moved to SIMPLE_DEV_PM_OPS without anyone noticing that it meant we were no longer actually "noirq" (despite functions named exynos5_i2c_suspend_noirq and exynos5_i2c_resume_noirq). i2c controllers that might have wakeup sources on them seem to need to resume at noirq time so that the individual drivers can actually read the i2c bus to handle their wakeup. NOTE: I took the original review feedback from Wolfram and added poweroff, thaw, freeze, restore. This patch has only been compile-tested since I don't have all the patches needed to make my machine using this i2c driver actually suspend/resume. Signed-off-by: Doug Anderson <dianders@chromium.org> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-xiic: Drop class based scanning to improve bootup timeWolfram Sang1-6/+6
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. While we are here, remove the indentation for the array setup because such things always break after some time. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-tegra: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com> Tested-by: Mikko Perttunen <mperttunen@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com>
2014-07-16i2c: i2c-stu300: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2014-07-16i2c: i2c-sirf: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-s3c2410: Drop class based scanning to improve bootup timeWolfram Sang1-4/+4
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. While we are here, remove the indentation for the array setup because such things always break after some time. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Tested-by: Sachin Kamat <sachin.kamat@samsung.com>
2014-07-16i2c: i2c-rcar: Drop class based scanning to improve bootup timeWolfram Sang1-7/+7
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. While we are here, remove the indentation for the array setup because such things always break after some time. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-omap: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-ocores: Drop class based scanning to improve bootup timeWolfram Sang1-6/+6
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. While we are here, remove the indentation for the array setup because such things always break after some time. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Peter Korsgaard <peter@korsgaard.com>
2014-07-16i2c: i2c-nomadik: Drop class based scanning to improve bootup timeWolfram Sang1-4/+4
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. While we are here, remove the indentation for the array setup because such things always break after some time. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Linus Walleij <linus.walleij@linaro.org>
2014-07-16i2c: i2c-mv64xxx: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-designware-platdrv: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-davinci: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-bfin-twi: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-bcm2835: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: i2c-at91: Drop class based scanning to improve bootup timeWolfram Sang1-1/+1
This driver has been flagged to drop class based instantiation. The removal improves boot-up time and is unneeded for embedded controllers. Users have been warned to switch for some time now, so we can actually do the removal. Keep the DEPRECATED flag, so the core can inform users that the behaviour finally changed now. After another transition period, this flag can go, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: add debug info when class instantiation was droppedWolfram Sang1-0/+10
We have a warning already when support for old-fashioned class based instantiation is about to be dropped somewhen soon from a driver. Let's have another one when it was actually dropped. This allows to remove the cruft a little earlier and still let users know what happened in the rare case they are missing devices after the change. However, there is enough interest to get rid of class based instantiation rather sooner than later because it improves boot up time. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-07-16i2c: scx200: drop GPIO based i2c driverWolfram Sang3-161/+0
This driver is marked as deprecated since the pre-git era. Any user left(?) should really have switched to i2c-gpio meanwhile. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Jim Cromie <jim.cromie@gmail.com>
2014-07-16i2c: s6000: remove duplicate driverWolfram Sang5-504/+0
It turned out that the s6000 simply has a designware IP core and should use the designated driver for it which is way more maintained and feature complete. There are currently no users in tree, and not even a toolchain for s6000 seems to be available. So, simply remove this duplicate. If someone needs assistance in converting to the designware driver, the i2c list will be there to help. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-06-27i2c: taos-evm: Use module_serio_driver()Christoph Jaeger1-12/+1
Get rid of some boilerplate code by using module_serio_driver(). Signed-off-by: Christoph Jaeger <christophjaeger@linux.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-06-27I2C/ACPI: Clean up I2C ACPI code and Add CONFIG_I2C_ACPI configLan Tianyu5-98/+110
Clean up ACPI related code in the i2c core and add CONFIG_I2C_ACPI to enable I2C ACPI code. Current there is a race between removing I2C ACPI operation region and ACPI AML code accessing. So make i2c core built-in if CONFIG_I2C_ACPI is set. Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-06-27I2C/ACPI: Add i2c ACPI operation region supportLan Tianyu5-1/+300
ACPI 5.0 spec(5.5.2.4.5) defines GenericSerialBus(i2c, spi, uart) operation region. It allows ACPI aml code able to access such kind of devices to implement some ACPI standard method. ACPI Spec defines some access attribute to associate with i2c protocol. AttribQuick Read/Write Quick Protocol AttribSendReceive Send/Receive Byte Protocol AttribByte Read/Write Byte Protocol AttribWord Read/Write Word Protocol AttribBlock Read/Write Block Protocol AttribBytes Read/Write N-Bytes Protocol AttribProcessCall Process Call Protocol AttribBlockProcessCall Write Block-Read Block Process Call Protocol AttribRawBytes Raw Read/Write N-BytesProtocol AttribRawProcessBytes Raw Process Call Protocol On the Asus T100TA, Bios use GenericSerialBus operation region to access i2c device to get battery info. Sample code From Asus T100TA Scope (_SB.I2C1) { Name (UMPC, ResourceTemplate () { I2cSerialBus (0x0066, ControllerInitiated, 0x00061A80, AddressingMode7Bit, "\\_SB.I2C1", 0x00, ResourceConsumer, , ) }) ... OperationRegion (DVUM, GenericSerialBus, Zero, 0x0100) Field (DVUM, BufferAcc, NoLock, Preserve) { Connection (UMPC), Offset (0x81), AccessAs (BufferAcc, AttribBytes (0x3E)), FGC0, 8 } ... } Device (BATC) { Name (_HID, EisaId ("PNP0C0A")) // _HID: Hardware ID Name (_UID, One) // _UID: Unique ID ... Method (_BST, 0, NotSerialized) // _BST: Battery Status { If (LEqual (AVBL, One)) { Store (FGC0, BFFG) If (LNotEqual (STAT, One)) { ShiftRight (CHST, 0x04, Local0) And (Local0, 0x03, Local0) If (LOr (LEqual (Local0, One), LEqual (Local0, 0x02))) { Store (0x02, Local1) } ... } The i2c operation region is defined under I2C1 scope. _BST method under battery device BATC read battery status from the field "FCG0". The request would be sent to i2c operation region handler. This patch is to add i2c ACPI operation region support. Due to there are only "Byte" and "Bytes" protocol access on the Asus T100TA, other protocols have not been tested. About RawBytes and RawProcessBytes protocol, they needs specific drivers to interpret reference data from AML code according ACPI 5.0 SPEC(5.5.2.4.5.3.9 and 5.5.2.4.5.3.10). So far, not found such case and will add when find real case. Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-06-21Linux 3.16-rc2Linus Torvalds1-1/+1
2014-06-20MAINTAINERS: add entry for VMware Balloon driverDmitry Torokhov2-1/+10
Signed-off-by: Dmitry Torokhov <dtor@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-19w1: mxc_w1: Fix incorrect "presence" statusAlexander Shiyan1-1/+1
W1 reset_bus() should return zero if slave device is present. This patch fix this issue. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-19imx-drm: parallel-display: Fix DPMS default state.Denis Carikli1-0/+7
If connector->dpms is left untouched, it defaults to DRM_MODE_DPMS_ON (0). As a result, drm_helper_connector_dpms will exit when it will be asked to set the state to DRM_MODE_DPMS_ON, because it is already set. That issue prevented displays from turning on at boot. Signed-off-by: Denis Carikli <denis@eukrea.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-19staging: android: timed_output: fix use after free of devYi Zhang1-1/+0
tdev->dev has been freed in device_destroy(), it's not right to use dev_set_drvdata() after that; Signed-off-by: Yi Zhang <yizhang@marvell.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-20unicore32: Remove ARCH_HAS_CPUFREQ config optionStephen Boyd1-6/+0
This config exists entirely to hide the cpufreq menu from the kernel configuration unless a platform has selected it. Nothing is actually built if this config is 'Y' and it just leads to more patches that add a select under a platform Kconfig so that some other CPUfreq option can be chosen. Let's remove the option so that we can always enable CPUfreq drivers on unicore32 platforms. Cc: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20UniCore32: Change git tree location information in MAINTAINERSGuan Xuetao1-2/+2
UniCore32 git repo has moved to github. Branch 'unicore32' is used for prepared patches, and automatically merged to linux-next. Branch 'unicore32-working' is used for development. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
2014-06-20arch: unicore32: ksyms: export '__cpuc_coherent_kern_range' to avoid compiling failureChen Gang1-0/+2
flush_icache_range() is '__cpuc_coherent_kern_range' under unicore32, and lkdtm.ko needs it. At present, '__cpuc_coherent_kern_range' is still used by unicore32, so export it to avoid compiling failure. The related error (with allmodconfig under unicore32): ERROR: "__cpuc_coherent_kern_range" [drivers/misc/lkdtm.ko] undefined! Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20arch: unicore32: ksyms: export 'pm_power_off' to avoid compiling failure.Chen Gang1-0/+1
Two driver modules need 'pm_power_off', so export it. The related error (with allmodconfig under unicore32): MODPOST 4039 modules ERROR: "pm_power_off" [drivers/mfd/retu-mfd.ko] undefined! ERROR: "pm_power_off" [drivers/char/ipmi/ipmi_poweroff.ko] undefined! Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20arch: unicore32: ksyms: export additional find_first_*() to avoid compiling failureChen Gang1-0/+2
Some modules need find_first_bit() and find_first_zero_bit(), so export them. The related error (with allmodconfig under unicore32): MODPOST 4039 modules ERROR: "find_first_bit" [sound/soc/codecs/snd-soc-uda1380.ko] undefined! ERROR: "find_first_zero_bit" [net/sctp/sctp.ko] undefined! ... Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20arch:unicore32:mm: add devmem_is_allowed() to support STRICT_DEVMEMChen Gang1-0/+23
unicore32 supports STRICT_DEVMEM, so it needs devmem_is_allowed(), like some of other architectures have done (e.g. arm, powerpc, x86 ...). The related error with allmodconfig: CC drivers/char/mem.o drivers/char/mem.c: In function ‘range_is_allowed’: drivers/char/mem.c:69: error: implicit declaration of function ‘devmem_is_allowed’ make[2]: *** [drivers/char/mem.o] Error 1 make[1]: *** [drivers/char] Error 2 make: *** [drivers] Error 2 Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20unicore32: include: asm: add missing ')' for PAGE_* macros in pgtable.hChen Gang1-5/+5
Missing related ')', the related compiling error: CC [M] drivers/gpu/drm/udl/udl_fb.o drivers/gpu/drm/udl/udl_fb.c: In function ‘udl_fb_mmap’: drivers/gpu/drm/udl/udl_fb.c:273: error: expected ‘)’ before ‘return’ drivers/gpu/drm/udl/udl_fb.c:281: error: expected expression before ‘}’ token make[4]: *** [drivers/gpu/drm/udl/udl_fb.o] Error 1 make[3]: *** [drivers/gpu/drm/udl] Error 2 make[2]: *** [drivers/gpu/drm] Error 2 make[1]: *** [drivers/gpu] Error 2 make: *** [drivers] Error 2 Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20arch/unicore32/kernel/setup.c: add generic 'screen_info' to avoid compiling failureChen Gang1-0/+4
Add generic 'screen_info' just like another architectures have done (e.g. tile, sh, score, ia64, hexagon, and cris). The related error (with allmodconfig under unicore32): LD init/built-in.o drivers/built-in.o: In function `vgacon_save_screen': powercap_sys.c:(.text+0x21788): undefined reference to `screen_info' drivers/built-in.o: In function `vgacon_resize': powercap_sys.c:(.text+0x21b54): undefined reference to `screen_info' drivers/built-in.o: In function `vgacon_switch': powercap_sys.c:(.text+0x21cb4): undefined reference to `screen_info' drivers/built-in.o: In function `vgacon_init': powercap_sys.c:(.text+0x2296c): undefined reference to `screen_info' drivers/built-in.o: In function `vgacon_startup': powercap_sys.c:(.text+0x22e80): undefined reference to `screen_info' Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20drivers: scsi: mvsas: fix compiling issue by adding 'MVS_' for "enum pci_interrupt_cause"Chen Gang2-34/+34
The direct cause is IRQ_SPI is already defined as a macro in unicore32 architecture (also, blackfin and mips architectures define it). The related error (unicore32 with allmodconfig) CC [M] drivers/scsi/mvsas/mv_94xx.o In file included from drivers/scsi/mvsas/mv_94xx.c:27: drivers/scsi/mvsas/mv_94xx.h:176: error: expected identifier before numeric constant And IRQ_SAS_A and IRQ_SAS_B are used as 'u32' (although "enum pci_interrupt_cause" is not used directly, now). All together, need add 'MVS_' for "enum pci_interrupt_cause". Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20arch: unicore32: kernel: ksyms: remove 'bswapsi2' and 'muldi3' to avoid compiling failureChen Gang2-4/+0
After check the code, 'bswapsi2' and 'muldi3' are useless for unicore32, so can remove them to avoid compiling failure. The related error (with allmodconfig under unicore32): LD init/built-in.o arch/unicore32/kernel/built-in.o:(___ksymtab+__muldi3+0x0): undefined reference to `__muldi3' arch/unicore32/kernel/built-in.o:(___ksymtab+__bswapsi2+0x0): undefined reference to `__bswapsi2' Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20arch/unicore32/kernel/ksyms.c: remove 2 export symbols to avoid compiling failureChen Gang1-4/+0
'csum_partial' and 'csum_partial_copy_from_user' have already been exported in "lib/", so need not export them again, or it will cause compiling error. The related error (with allmodconfig under unicore32): LD vmlinux.o lib/built-in.o:(___ksymtab+csum_partial+0x0): multiple definition of `__ksymtab_csum_partial' arch/unicore32/kernel/built-in.o:(___ksymtab+csum_partial+0x0): first defined here lib/built-in.o:(___ksymtab+csum_partial_copy_from_user+0x0): multiple definition of `__ksymtab_csum_partial_copy_from_user' arch/unicore32/kernel/built-in.o:(___ksymtab+csum_partial_copy_from_user+0x0): first defined here make: *** [vmlinux] Error 1 Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20drivers/rtc/rtc-puv3.c: remove "&dev->" for typo issue MIME-Version: 1.0Chen Gang1-1/+1
It is only a typo issue, the related commit: "1fbc4c4 drivers/rtc/rtc-puv3.c: use dev_dbg() instead of pr_debug()" The related error (for unicore32 with allmodconfig): CC [M] drivers/rtc/rtc-puv3.o drivers/rtc/rtc-puv3.c: In function 'puv3_rtc_setalarm': drivers/rtc/rtc-puv3.c:143: error: 'struct device' has no member named 'dev' Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20drivers/rtc/rtc-puv3.c: use dev_dbg() instead of dev_debug() for typo issueChen Gang1-1/+1
It is only a typo issue, the related commit: "1fbc4c4 drivers/rtc/rtc-puv3.c: use dev_dbg() instead of pr_debug()" The related error (unicore32 with allmodconfig): CC [M] drivers/rtc/rtc-puv3.o drivers/rtc/rtc-puv3.c: In function 'puv3_rtc_setpie': drivers/rtc/rtc-puv3.c:74: error: implicit declaration of function 'dev_debug' Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20arch/unicore32/include/asm/io.h: add readl_relaxed() generic definitionChen Gang1-0/+4
Need generic definition for readl_relaxed(), like other architectures have done. Or can not pass compiling with allmodconfig, the related error: CC [M] drivers/message/fusion/mptbase.o drivers/message/fusion/mptbase.c: In function 'mpt_send_handshake_request': drivers/message/fusion/mptbase.c:1224: error: implicit declaration of function 'readl_relaxed' Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com> Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn> Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>