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* imxmmc: Checkpatch cleanupMarc Kleine-Budde2008-12-16
| | | | | | | | This cleans up the warnings issued by the checkpatch script and remove the file history from the header Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] pcm037: add NAND supportSascha Hauer2008-12-16
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] MX3: add NAND supportSascha Hauer2008-12-16
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] pcm038: Add NAND supportSascha Hauer2008-12-16
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] MX27: Add NAND resourcesSascha Hauer2008-12-16
| | | | | | | This patch adds the platform device and resources for NAND on mx27 boards. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Add default configuration for MX31PDK board.Fabio Estevam2008-12-16
| | | | | Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: sascha Hauer <s.hauer@pengutronix.de>
* Add basic support for MX31PDK board.Fabio Estevam2008-12-16
| | | | | | | | Add basic support to the MX31PDK development board, also known as MX31 3DS or MX31 3-stack board (http://www.freescale.com/imx31pdk). Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: sascha Hauer <s.hauer@pengutronix.de>
* [ARM] pcm037: Add support for SRAM deviceSascha Hauer2008-12-16
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] pcm037: add support for the on-board LAN9217 network controllerGuennadi Liakhovetski2008-12-16
| | | | | | | smc911x now also supports LAN921{5,7,8} network controllers. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* pcm038: add driver for static ramSascha Hauer2008-12-16
| | | | | | | | | The pcm038 module (phyCORE-i.MX27) comes with a 512 KiB static RAM which can be battery buffered. Add mtd_ram support and configure the chip select line, to which the sram is attached. Signed-off-by: Luotao Fu <l.fu@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* i.MX31: fix mxc_iomux_set_pad()Guennadi Liakhovetski2008-12-16
| | | | | | | | mxc_iomux_set_pad() is buggy on i.MX31 - it calculates the register and the offset therein wrongly. Fix it. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] MX3 iomux: add more pin definitionsSascha Hauer2008-12-16
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] MX1/MX2: simplify mxc_gpio_setup_multiple_pinsSascha Hauer2008-12-16
| | | | | | | | | mxc_gpio_setup_multiple_pins used to take several ALLOC_MODE flags. Most of them are unused, so simplify the function by removing the flags. Also, instead of using a confusing MXC_GPIO_ALLOC_MODE_RELEASE flag in a function having alloc in its name, add a mxc_gpio_release_multiple_pins function. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] MX27: add i.MX27 SDHC1 and SDHC2 GPIO declarationsJulien Boibessot2008-12-16
| | | | | Signed-off-by: Julien Boibessot <julien.boibessot@armadeus.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* MX27: Add USB pin function definesSascha Hauer2008-12-16
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] MX27ads: remove unused defineSascha Hauer2008-12-16
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] MX2: Add IRQ_GPIOE definitionSascha Hauer2008-12-16
| | | | | | The MX2 has 5 gpio ports, IRQ_GPIOE was missing so far. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* MX27: Fix EMMA Base addressesSascha Hauer2008-12-16
| | | | | | | The EMMA (Enhanced Multimedia Engine) is divided into two parts, the postprocessor and the preprocessor. Fix the base addresses. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* [ARM] MX2: DMA updatesSascha Hauer2008-12-16
| | | | | | | This one updates DMA support on MX2 which got broken in: [ARM] Hide ISA DMA API when ISA_DMA_API is unset Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'omap3-upstream' of ↵Russell King2008-12-15
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel
| * ARM: OMAP3: Pin multiplexing updates for 24xx and 34xxArun KS2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds some new pin multiplexing options for McBSP and McSPI from Arun KS. Also add two more GPIOs from David Brownell. Also mark omap24xx_cfg_reg() static. Signed-off-by: Arun KS <arunks@mistralsolutions.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP3: Add basic support for Pandora handheld consoleGrazvydas Ignotas2008-12-10
| | | | | | | | | | | | | | | | | | | | | | This patch adds support for basic features: uarts, i2c, and rtc. Also includes defconfig. Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP3: DMA: Fix for sDMA Errata 1.113Santosh Shilimkar2008-12-10
| | | | | | | | | | | | | | | | | | SDMA channel is not disabled after transaction error. So explicitly disable it. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked By : Nishant kamat <nskamat@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP3: LDP: Add Ethernet device support to make ldp boot succeessStanley.Miao2008-12-10
| | | | | | | | | | | | | | | | | | | | Add Ethernet device support in board-ldp.c to make ldp can boot and mount nfs successfully. Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
| * ARM: OMAP3: Add OMAP34xx pin multiplexing into I2C bus registration helperJarkko Nikula2008-12-10
| | | | | | | | | | | | | | | | - Simplify function omap_i2c_mux_pins - Add OMAP34xx pin multiplexing for busses 1 - 3 Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP3: Warn about spurious interruptsTony Lindgren2008-12-10
| | | | | | | | | | | | | | | | | | In the case of spurious interrupt, the handler for previous interrupt handler needs to flush posted writes with a read back of the interrupt ack register. Warn about handlers that need to flush posted writes. Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP2: skip unnecessary TLDR write during non-autoreload for gptimerPaul Walmsley2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The GPTIMER TLDR register does not need to be written if the GPTIMER is not in autoreload mode. This is the usual case for dynamic tick-enabled kernels. Simulation data indicate that skipping the read that occurs as part of the write should save at least 300-320 ns for each GPTIMER1 timer reprogram. (This assumes L4-Wakeup is at 19MHz and GPTIMER write posting is enabled.) Skipping the write itself probably won't have much impact since it should be posted on the OCP interconnect. Tested on 2430SDP and 3430SDP. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Richard Woodruff <r-woodruff2@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP2: drop redundant pending write check for gptimerPaul Walmsley2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | omap_dm_timer_write_reg() already waits for pending writes to complete, so the extra wait in omap_dm_timer_set_load() is superfluous. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Richard Woodruff <r-woodruff2@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP2: bard-h4: list those eepromsDavid Brownell2008-12-10
| | | | | | | | | | | | | | | | | | | | Declare the two 1Kbit EEPROMs included in the H4 board stack. One is on the CPU card; the other is on the mainboard. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP2: Use omap_rev() instead of system_revLauri Leukkunen2008-12-10
| | | | | | | | | | | | | | | | | | | | | | system_rev is meant for board revision, this patch changes all relevant instances to use the new omap_rev() function liberating system_rev to be used with ATAG_REVISION as it has been designed. Signed-off-by: Lauri Leukkunen <lauri.leukkunen@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP2: Fix cpu detectionTony Lindgren2008-12-10
| | | | | | | | | | | | | | | | | | | | | | At some point omap2 changed the bits for GET_OMAP_CLASS, which broke 15xx detection on 730 as noticed by Russell King. This patch fixes omap2 cpu detection to respect the original GET_OMAP_CLASS, and simplifies the detection for 34xx. Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP2: Prepare cpu detection for further improvementsTony Lindgren2008-12-10
| | | | | | | | | | | | | | | | | | Rename omap2_check_revision to omap24xx_check_revision. Then next patch will split if further and add omap34xx_check_revision. Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP1: osk5912: LED trigger update for CFDavid Brownell2008-12-10
| | | | | | | | | | | | | | | | | | | | Help OSK work better with root-on-CF, by having one of the LEDs use the "ide-disk" trigger (to kick in during CF I/O). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP1: osk5912: Mistral eeprom supportDavid Brownell2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | List the 4 Kbit I2C EEPROM included on the Mistral board. Also add a comment about the hardware workaround needed to properly support the WAKE button. More info at http://elinux.org/OSK_Mistral_wakeup_button_mod Still no support for the (optional) camera sensor. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: Switch ohci-omap to gpio_request/free callsJarkko Nikula2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | Switch to gpio_request/free calls Cc: linux-usb@vger.kernel.org Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: Switch to gpio_request/free callsJarkko Nikula2008-12-10
| | | | | | | | | | | | | | | | | | | | Switch to gpio_request/free calls Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: minor gpio bugfixesDavid Brownell2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Minor GPIO fixes: - If get_gpio_bank() fails, then BUG() out. - In omap_set_gpio_debounce(): * protect the read/modify/write with the relevant spinlock * make the omap3 clock ops pass "sparse" checking Except for the spinlock problem, these were reported through "make". Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: make legacy gpio request/free calls superfluousJarkko Nikula2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up OMAP GPIO request/free functions - Rename and declare static OMAP specific GPIO request/free functions - Register them into gpiolib as chip-specific hooks - Add omap_request_gpio/omap_free_gpio wrappers for existing code not converted yet to use gpiolib Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com> [ dbrownell@users.sourceforge.net: remove needless check_gpio() calls ] Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: use gpio_to_irqDavid Brownell2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | Have most uses of OMAP_GPIO_IRQ() use gpio_to_irq() instead. Calls used for table initialization are left alone, at least this time around. (This patch is for code in both the OMAP tree and mainline.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: switch to gpio_direction_outputDavid Brownell2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | More conversion to the standard GPIO interfaces: stop using omap_set_gpio_direction() entirely, and switch over to the gpio_direction_output() call. Note that because gpio_direction_output() includes the initial value, this change isn't quite transparent. - For the call sites which defined an initial value either before or after setting the direction, that value was used. When that value was previously assigned afterwards, this could eliminate a brief output glitch ... and possibly change behavior. In a few cases (LCDs) several values were assigned together ... those were re-arranged to match the explicit sequence provided. - Some call sites didn't define such a value; so I chose an initial "off/reset" value that seemed to default to "off". In short, files touched by this patch might notice some small changes in startup behavior (with trivial fixes). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: switch to gpio_direction_inputDavid Brownell2008-12-10
| | | | | | | | | | | | | | | | More switchover to the cross-platform GPIO interface: use gpio_direction_input(), not an OMAP-specific call. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: switch to standard gpio get/set callsDavid Brownell2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch replaces some legacy OMAP GPIO calls with the "new" (not really, any more!) calls that work on most platforms. The calls addressed by this patch are the simple ones to get and set values ... for code that's in mainline, including the implementations of those calls. Except for the declarations and definitions of those calls, all of these changes were performed by a simple SED script. Plus, a few "if() set() else set()" branches were merged by hand. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: gpios implement new to_irq()David Brownell2008-12-10
| | | | | | | | | | | | | | | | | | | | | | Make OMAP use the new __gpio_to_irq() hook, to make it easier to support IRQs coming in from off-chip gpio controllers like the TWL4030/TPS65930 chip used on OMAP3 boads like Beagleboard.org and the Gumstix Overo. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: Extend gpio label column width in omap_gpio debugfs fileJarkko Nikula2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | There are already various drivers having bigger label than 10 bytes. Most of them fit well under 20 bytes but make column width exact so that oversized labels don't mess up output alignment. Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * ARM: OMAP: Enable GPIO debounce clock only when debounce is enabled v3Jouni Hogander2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes gpio "driver" to enable debounce clock for gpio-bank only when debounce is enabled for some gpio in that bank. Gpio functional clocks are also renamed in clock tree, gpioX_fck -> gpioX_dbck. This patch triggers problem with gpio wake-up and Omap3. Gpios in PER domain aren't capable to generate wake-up if PER domain is in sleep state. For this iopad wake-up should be used and needed pad configuration should be done. Enabling iopad wake-up for gpio pads is left for bootloader or omap mux configuration in kernel. Signed-off-by: Jouni Hogander <jouni.hogander@nokia.com> Acked-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
| * Linux 2.6.28-rc8v2.6.28-rc8Linus Torvalds2008-12-10
| |
| * Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds2008-12-10
| |\ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: CPU remove deadlock fix
| | * sched: CPU remove deadlock fixBrian King2008-12-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix possible deadlock in CPU hot-remove path This patch fixes a possible deadlock scenario in the CPU remove path. migration_call grabs rq->lock, then wakes up everything on rq->migration_queue with the lock held. Then one of the tasks on the migration queue ends up calling tg_shares_up which then also tries to acquire the same rq->lock. [c000000058eab2e0] c000000000502078 ._spin_lock_irqsave+0x98/0xf0 [c000000058eab370] c00000000008011c .tg_shares_up+0x10c/0x20c [c000000058eab430] c00000000007867c .walk_tg_tree+0xc4/0xfc [c000000058eab4d0] c0000000000840c8 .try_to_wake_up+0xb0/0x3c4 [c000000058eab590] c0000000000799a0 .__wake_up_common+0x6c/0xe0 [c000000058eab640] c00000000007ada4 .complete+0x54/0x80 [c000000058eab6e0] c000000000509fa8 .migration_call+0x5fc/0x6f8 [c000000058eab7c0] c000000000504074 .notifier_call_chain+0x68/0xe0 [c000000058eab860] c000000000506568 ._cpu_down+0x2b0/0x3f4 [c000000058eaba60] c000000000506750 .cpu_down+0xa4/0x108 [c000000058eabb10] c000000000507e54 .store_online+0x44/0xa8 [c000000058eabba0] c000000000396260 .sysdev_store+0x3c/0x50 [c000000058eabc10] c0000000001a39b8 .sysfs_write_file+0x124/0x18c [c000000058eabcd0] c00000000013061c .vfs_write+0xd0/0x1bc [c000000058eabd70] c0000000001308a4 .sys_write+0x68/0x114 [c000000058eabe30] c0000000000086b4 syscall_exit+0x0/0x40 Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | fix mapping_writably_mapped()Hugh Dickins2008-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Lee Schermerhorn noticed yesterday that I broke the mapping_writably_mapped test in 2.6.7! Bad bad bug, good good find. The i_mmap_writable count must be incremented for VM_SHARED (just as i_writecount is for VM_DENYWRITE, but while holding the i_mmap_lock) when dup_mmap() copies the vma for fork: it has its own more optimal version of __vma_link_file(), and I missed this out. So the count was later going down to 0 (dangerous) when one end unmapped, then wrapping negative (inefficient) when the other end unmapped. The only impact on x86 would have been that setting a mandatory lock on a file which has at some time been opened O_RDWR and mapped MAP_SHARED (but not necessarily PROT_WRITE) across a fork, might fail with -EAGAIN when it should succeed, or succeed when it should fail. But those architectures which rely on flush_dcache_page() to flush userspace modifications back into the page before the kernel reads it, may in some cases have skipped the flush after such a fork - though any repetitive test will soon wrap the count negative, in which case it will flush_dcache_page() unnecessarily. Fix would be a two-liner, but mapping variable added, and comment moved. Reported-by: Lee Schermerhorn <Lee.Schermerhorn@hp.com> Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | Merge branch 'to-linus' of ↵Linus Torvalds2008-12-10
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland * 'to-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland: tracehook: exec double-reporting fix
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