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2011-01-03arm: mx50: add mx50 reference design board supportRichard Zhao
Add basic function and uart device support. Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2011-01-03arm: mx50: add core functions support except clockRichard Zhao
Add core definitions and memory map, gpio, irq, iomux, uart device support. Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2011-01-03arm: mx5: mx51/53 have different mxc_cpu_type definitionRichard Zhao
Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2011-01-03arm: mx51: define mx51's own MXC_GPIO_IRQSRichard Zhao
mx5 SoCs have different GPIO port count. Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2011-01-03arm: plat-mxc: add full parameter macro to define gpio portRichard Zhao
Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2011-01-03ARM: mx5: use config to define boot related addressesRichard Zhao
Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-15ARM i.MX51: Full iomux supportSascha Hauer
This iomux file has been constructed from the Freescale pinmux tool. It contains all pins from the tool, but the datasheet lists some configurations not present in the tool, these are not yet added. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-15MXC IOMUX-V3 replace struct pad_desc with bitmapped cookie (step 2)Lothar Waßmann
This patch actually replaces the 'struct pad_desc' with a u64 cookie to facilitate adding platform specific pad_ctrl settings to an existing pad definition. So, instead of: iomux_v3_cfg_t power_key = MX51_PAD_EIM_A27__GPIO_2_21; power_key.pad_ctrl = MX51_GPIO_PAD_CTRL_2; mxc_iomux_v3_setup_pad(&power_key); one can write: mxc_iomux_v3_setup_pad((MX51_PAD_EIM_A27__GPIO_2_21 & ~MUX_PAD_CTRL_MASK) | MX51_GPIO_PAD_CTRL_2); Patch applies to branch 'imx-for-2.6.38' of git://git.pengutronix.de/git/imx/linux-2.6 Signed-Off-By: Lothar Waßmann <LW@KARO-electronics.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-14ARM: mx5: check for error in ioremapFabio Estevam
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-14Fix imx cpufreq driver as moduleArnaud Patard (Rtp)
When building as module: ERROR: "cpufreq_gov_performance" [arch/arm/plat-mxc/cpufreq.ko] undefined! WARNING: modpost: Found 1 section mismatch(es). To see full details build your kernel with: 'make CONFIG_DEBUG_SECTION_MISMATCH=y' make[1]: *** [__modpost] Error 1 make: *** [modules] Error 2 It's due to the driver using CPUFREQ_DEFAULT_GOVERNOR, even it should not (see commit 8122c6cea033e8034e99d3b10a4e3f377ce23994 in Linus tree), so remove it. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-14mx51: support FIQ on TZIC, revisedPeter Horton
Add support for FIQ on mx51 TZIC TZIC changes tested with FIQ audio on an mx51 board AVIC changes build with mx3_defconfig, not tested Signed-off-by: Peter Horton <phorton@bitbox.co.uk> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-14ARM: imx/mx27_3ds: Add watchdog supportFabio Estevam
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-14ARM: mx3/mx31_3ds: Add watchdog supportFabio Estevam
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-14mx51: add SSI3Peter Horton
Add SSI3 to MX51 Signed-off-by: Peter Horton <phorton@bitbox.co.uk> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-14watchdog: imx: use clk_get to acquire the watchdog clockFabio Estevam
Use clk_get to acquire the watchdog clock and also avoid hardcoding the clock name. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-07ARM: mx5/mx51_babbage: Add watchdog supportFabio Estevam
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-07ARM: mx5: add watchdog clocksFabio Estevam
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-07ARM: mx5: add support for the two watchdog modulesFabio Estevam
MX51 has two watchdog modules. Add support for both of them. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-06Merge commit 'v2.6.37-rc4' into imx-for-2.6.38Sascha Hauer
Done to resolve merge conflict: Conflicts: arch/arm/mach-mx25/devices-imx25.h Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03iMX51: introduce IMX_GPIO_NRArnaud Patard (Rtp)
Currently, to define a GPIO number, we're using something like : #define EFIKAMX_PCBID0 (2*32 + 16) to define GPIO 3 16. This is not really readable and it's error prone imho (note the 3 vs 2). So, I'm introducing a new macro to define this in a better way. Now, the code sample become : #define EFIKAMX_PCBID0 IMX_GPIO_NR(3, 16) v2: - move to gpio.h - add parens & spaces - switch to IMX_GPIO_NR instead of MX51_GPIO_NR Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Cc: Amit Kucheria <amit.kucheria@linaro.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03ARM: mx5: dynamically allocate imx2-wdt devicesFabio Estevam
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03ARM: mx5: introduce SOC_IMX51Fabio Estevam
Introduce SOC_IMX51 to keep consistency with the other i.MX devices Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03arm: dma: check clk_get() resultVasiliy Kulikov
clk_get() may return ERR_PTR(), if so propagate return code as imx_dma_init() return code. Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03mx5: Fix efikamx buildArnaud Patard (Rtp)
Commit 124bf94a "ARM: imx: fix name for functions adding sdhci-esdhc-imx devices" changed some devices and Kconfig entry and didn't change every places it should have. It's breaking efikamx build. I've fixed 3ds Kconfig entry as I believe it's broken there too. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03ARM: mx25: fix offset for usb host controllerUwe Kleine-König
In commit 2c20b9f (ARM: mx25: dynamically allocate mxc-ehci devices) I changed the offset to the value specified in the reference manual intending to test this change on hardware. This slipped through and now prooved to be wrong. So fix it and add a comment about the documentation being wrong. Reported-by: Jaume Ribot <jaume@fqingenieria.es> Cc: Michael Trimarchi <trimarchi@gandalf.sssup.it> Cc: Shawn Guo <shawn.gsc@gmail.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03plat-mxc/ehci.c: fix compile breakageEric Bénard
commits 2eb42d5c287f5e883a4b3ebe668ba880caa351e5 and 9e1dde33876ba83ad586c336647fff133d0f5472 renamed some defines but didn't fix all the places where these defines are used leading to a compile failure for USB on i.MX31, 35 and 27. Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03ARM i.MX SDMA: Add ROM script addresses to platform_dataSascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-12-03dmaengine i.MX SDMA: Allow to run without firmwareSascha Hauer
The SDMA firmware consists of a ROM part and a RAM part. The ROM part is always present in the SDMA engine and is sufficient for many cases. This patch allows to pass in platform data containing the script addresses in ROM, so loading a firmware is optional now. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Dan Williams <dan.j.williams@intel.com>
2010-11-29Merge branch 'omap-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 * 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: OMAP2+: PM/serial: hold console semaphore while OMAP UARTs are disabled OMAP: UART: don't resume UARTs that are not enabled.
2010-11-28ARM: imx: Get the silicon version from the IIM moduleDinh Nguyen
Instead of reading the silicon version from ROM, we should read the SREV register from the IIM. Freescale has dropped all support for MX51 REV1.0, only MX51 REV 2.0 and 3.0 are valid. Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-11-27Merge branch 'rmobile-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'rmobile-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: ARM: mach-shmobile: clock-sh7372: remove bogus pllc2 clock toggling. ARM: mach-shmobile: clock-sh7372: remove unnecessary fsi clocks ARM: mach-shmobile: clock-sh7372: modify error code ARM: mach-shmobile: ap4evb: FSI clock use proper process for ak4642 ARM: mach-shmobile: ap4evb: FSI clock use proper process for HDMI ARM: mach-shmobile: clock-sh7372: remove fsidiv bogus disable ARM: mach-shmobile: sh7372 USB0/IIC1 MSTP fix
2010-11-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: mmc: sdhci: 8-bit bus width changes mmc: sdio: fix runtime PM anomalies by introducing MMC_CAP_POWER_OFF_CARD mmc: sdio: fix nasty oops in mmc_sdio_detect mmc: omap4: hsmmc: Fix improper card detection while booting mmc: fix rmmod race for hosts using card-detection polling mmc: sdhci: Fix crash on boot with C0 stepping Moorestown platforms mmc: sdhci-esdhc-imx: enable QUIRK_NO_MULTIBLOCK only for i.MX25 and i.MX35 mmc: sdhci-esdhc-imx: fix timeout on i.MX's sdhci mmc: sdhci: Properly enable SDIO IRQ wakeups mmc: ushc: Return proper error code for ushc_probe() mmc: Fix printing of card DDR type
2010-11-27Merge branch 's5p-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung * 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: S5PV210: Fix sysdev related warning messages ARM: S3C24XX: Fix UART3 submask on S3C2416 and S3C2443 ARM: S3C24XX: Fix Demux error in UART3 irqs on S3C2443 and S3C2416 ARM: S3C64XX: fix uart clock setup for mini6410/real6410 ARM: S3C24XX: Fix wrong s3c_gpio_cfgpull ARM: S3C2410: Adapt h1940-bluetooth to gpiolib changes
2010-11-25ARM: S5PV210: Fix sysdev related warning messagesAbhilash Kesavan
This patch fixes following warning messages when CONFIG_PM selected. In file included from arch/arm/mach-s5pv210/mach-smdkv210.c:34: arch/arm/plat-samsung/include/plat/pm.h:104: warning: 'struct sys_device' declared inside parameter list arch/arm/plat-samsung/include/plat/pm.h:104: warning: its scope is only this definition or declaration, which is probably not what you want arch/arm/plat-samsung/include/plat/pm.h:105: warning: 'struct sys_device' declared inside parameter list In file included from arch/arm/mach-s5pv210/mach-smdkc110.c:31: arch/arm/plat-samsung/include/plat/pm.h:104: warning: 'struct sys_device' declared inside parameter list arch/arm/plat-samsung/include/plat/pm.h:104: warning: its scope is only this definition or declaration, which is probably not what you want arch/arm/plat-samsung/include/plat/pm.h:105: warning: 'struct sys_device' declared inside parameter list Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Signed-off-by: Sangbeom Kim <sbkim73@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-11-25ARM: S3C24XX: Fix UART3 submask on S3C2416 and S3C2443Abhilash Kesavan
The UART3 submask should be 0x7 (SUBSRCPND[26:24]). Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Signed-off-by: Sangbeom Kim <sbkim73@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-11-25ARM: S3C24XX: Fix Demux error in UART3 irqs on S3C2443 and S3C2416Abhilash Kesavan
IRQ_S3C2443_UART3 is being used as the base when it should actually be IRQ_S3C2443_RX3 on S3C2443 and S3C2416 for the UART3. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Signed-off-by: Sangbeom Kim <sbkim73@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-11-25ARM: S3C64XX: fix uart clock setup for mini6410/real6410Darius Augulis
Don't rewrite clock config in UCON preconfigured by bootloader. No need to set 10th bit in UCON because [11:10] 2'b00 means source clock is PCLK too. If set, console does not work if bootloader has preconfigured [11:10] with 2'b00. If not set, console works with any bootloader config value (2'bxx). More information about clock setup in UCON is available in "S3C6410X RISC Microprocessor User's Manual, Revision 1.20" p. 31-13 (Chapter 31.6.2 UART CONTROL REGISTER). Signed-off-by: Darius Augulis <augulis.darius@gmail.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-11-25ARM: S3C24XX: Fix wrong s3c_gpio_cfgpullKukjin Kim
This patch fixes wrong s3c_gpio_cfgpull with s3c_gpio_setpull. Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-11-25ARM: S3C2410: Adapt h1940-bluetooth to gpiolib changesVasily Khoruzhick
Replace in s3c_gpio_cfgpull with s3c_gpio_setpull. Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-11-24OMAP2+: PM/serial: hold console semaphore while OMAP UARTs are disabledPaul Walmsley
The console semaphore must be held while the OMAP UART devices are disabled, lest a console write cause an ARM abort (and a kernel crash) when the underlying console device is inaccessible. These crashes only occur when the console is on one of the OMAP internal serial ports. While this problem has been latent in the PM idle loop for some time, the crash was not triggerable with an unmodified kernel until commit 6f251e9db1093c187addc309b5f2f7fe3efd2995 ("OMAP: UART: omap_device conversions, remove implicit 8520 assumptions"). After this patch, a console write often occurs after the console UART has been disabled in the idle loop, crashing the system. Several users have encountered this bug: http://www.mail-archive.com/linux-omap@vger.kernel.org/msg38396.html http://www.mail-archive.com/linux-omap@vger.kernel.org/msg36602.html The same commit also introduced new code that disabled the UARTs during init, in omap_serial_init_port(). The kernel will also crash in this code when earlyconsole and extra debugging is enabled: http://www.mail-archive.com/linux-omap@vger.kernel.org/msg36411.html The minimal fix for the -rc series is to hold the console semaphore while the OMAP UARTs are disabled. This is a somewhat overbroad fix, since the console may not be located on an OMAP UART, as is the case with the GPMC UART on Zoom3. While it is technically possible to determine which devices the console or earlyconsole is actually running on, it is not a trivial problem to solve, and the code to do so is not really appropriate for the -rc series. The right long-term fix is to ensure that no code outside of the OMAP serial driver can disable an OMAP UART. As I understand it, code to implement this is under development by TI. This patch is a collaboration between Paul Walmsley <paul@pwsan.com> and Tony Lindgren <tony@atomide.com>. Thanks to Ming Lei <tom.leiming@gmail.com> and Pramod <pramod.gurav@ti.com> for their feedback on earlier versions of this patch. Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Cc: Ming Lei <tom.leiming@gmail.com> Cc: Pramod <pramod.gurav@ti.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Jean Pihet <jean.pihet@newoldbits.com> Cc: Govindraj.R <govindraj.raja@ti.com>
2010-11-24OMAP: UART: don't resume UARTs that are not enabled.Kevin Hilman
Add additional check to omap_uart_resume_idle() so that only enabled (specifically, idle-enabled) UARTs are allowed to resume. This matches the existing check in prepare idle. Without this patch, the system will hang if a board is configured to register only some uarts instead of all of them and PM is enabled. Cc: Govindraj R. <govindraj.raja@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> [tony@atomide.com: updated description] Signed-off-by: Tony Lindgren <tony@atomide.com>
2010-11-25Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: ARM: 6482/2: Fix find_next_zero_bit and related assembly ARM: 6490/1: MM: bugfix: initialize spinlock for init_mm.context ARM: avoid annoying <4>'s in printk output SCSI: arm fas216: fix missing ';' ARM: avoid marking decompressor .stack section as having contents ARM: 6489/1: thumb2: fix incorrect optimisation in usracc ARM: 6488/1: nomadik: prevent sched_clock() wraparound ARM: 6484/1: fix compile warning in mm/init.c ARM: 6473/1: Small update to ux500 specific L2 cache code ARM: improve compiler's ability to optimize page tables mx25: fix spi device registration typo ARM i.MX27 eukrea: Fix compilation ARM i.MX spi: fix compilation for i.MX21 ARM i.MX pcm037 eet: compile fixes ARM i.MX: sdma is merged, so remove #ifdef SDMA_IS_MERGED ARM mx3fb: check for DMA engine type mach-pcm037_eet: Fix section mismatch for eet_init_devices()
2010-11-25Merge branch 'sh-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: clkfwk: Build fix for non-legacy CPG changes. sh: Use GCC __builtin_prefetch() to implement prefetch(). sh: fix vsyscall compilation due to .eh_frame issue sh: avoid to flush all cache in sys_cacheflush sh: clkfwk: Disable init clk op for non-legacy clocks. sh: clkfwk: Kill off now unused algo_id in set_rate op. sh: clkfwk: Kill off unused clk_set_rate_ex().
2010-11-24ARM: 6482/2: Fix find_next_zero_bit and related assemblyJames Jones
The find_next_bit, find_first_bit, find_next_zero_bit and find_first_zero_bit functions were not properly clamping to the maxbit argument at the bit level. They were instead only checking maxbit at the byte level. To fix this, add a compare and a conditional move instruction to the end of the common bit-within-the- byte code used by all the functions and be sure not to clobber the maxbit argument before it is used. Cc: <stable@kernel.org> Reviewed-by: Nicolas Pitre <nicolas.pitre@linaro.org> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: James Jones <jajones@nvidia.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-11-24ARM: imx: Add mx53 support to common msl functions.Dinh Nguyen
Add mx53 support to cpu.c and mm.c. Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-11-24ARM: imx: Add core definitions for MX53Dinh Nguyen
Add iomux, clocks, and memory map for Freescale's MX53 SoC. Add cpu_is_mx53 function to common.h. Add 3 more banks of gpio's to mxc_gpio_ports. Add MX53 phys offset address. Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-11-24mx51_babbage: Add SPI flash supportFabio Estevam
MX51 Babbage has an AT45DB321 SPI Flash connected to eCSPI1. Add support for it. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-11-24ARM i.MX27 pm: return gracefully on different socsSascha Hauer
Code called from an initcall can be maybe called for machines it's not intended for. So check for valid machines and return gracefully if an incompatible machine is found. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-11-24ARM i.MX51: return gracefully on different socsSascha Hauer
Code called from an initcall can be maybe called for machines it's not intended for. So check for valid machines and return gracefully if an incompatible machine is found. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-11-24ARM i.MX DMA: return gracefully on different socsSascha Hauer
Code called from an initcall can be maybe called for machines it's not intended for. So check for valid machines and return gracefully if an incompatible machine is found. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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