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2010-10-15llseek: automatically add .llseek fopArnd Bergmann1-0/+1
All file_operations should get a .llseek operation so we can make nonseekable_open the default for future file operations without a .llseek pointer. The three cases that we can automatically detect are no_llseek, seq_lseek and default_llseek. For cases where we can we can automatically prove that the file offset is always ignored, we use noop_llseek, which maintains the current behavior of not returning an error from a seek. New drivers should normally not use noop_llseek but instead use no_llseek and call nonseekable_open at open time. Existing drivers can be converted to do the same when the maintainer knows for certain that no user code relies on calling seek on the device file. The generated code is often incorrectly indented and right now contains comments that clarify for each added line why a specific variant was chosen. In the version that gets submitted upstream, the comments will be gone and I will manually fix the indentation, because there does not seem to be a way to do that using coccinelle. Some amount of new code is currently sitting in linux-next that should get the same modifications, which I will do at the end of the merge window. Many thanks to Julia Lawall for helping me learn to write a semantic patch that does all this. ===== begin semantic patch ===== // This adds an llseek= method to all file operations, // as a preparation for making no_llseek the default. // // The rules are // - use no_llseek explicitly if we do nonseekable_open // - use seq_lseek for sequential files // - use default_llseek if we know we access f_pos // - use noop_llseek if we know we don't access f_pos, // but we still want to allow users to call lseek // @ open1 exists @ identifier nested_open; @@ nested_open(...) { <+... nonseekable_open(...) ...+> } @ open exists@ identifier open_f; identifier i, f; identifier open1.nested_open; @@ int open_f(struct inode *i, struct file *f) { <+... ( nonseekable_open(...) | nested_open(...) ) ...+> } @ read disable optional_qualifier exists @ identifier read_f; identifier f, p, s, off; type ssize_t, size_t, loff_t; expression E; identifier func; @@ ssize_t read_f(struct file *f, char *p, size_t s, loff_t *off) { <+... ( *off = E | *off += E | func(..., off, ...) | E = *off ) ...+> } @ read_no_fpos disable optional_qualifier exists @ identifier read_f; identifier f, p, s, off; type ssize_t, size_t, loff_t; @@ ssize_t read_f(struct file *f, char *p, size_t s, loff_t *off) { ... when != off } @ write @ identifier write_f; identifier f, p, s, off; type ssize_t, size_t, loff_t; expression E; identifier func; @@ ssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off) { <+... ( *off = E | *off += E | func(..., off, ...) | E = *off ) ...+> } @ write_no_fpos @ identifier write_f; identifier f, p, s, off; type ssize_t, size_t, loff_t; @@ ssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off) { ... when != off } @ fops0 @ identifier fops; @@ struct file_operations fops = { ... }; @ has_llseek depends on fops0 @ identifier fops0.fops; identifier llseek_f; @@ struct file_operations fops = { ... .llseek = llseek_f, ... }; @ has_read depends on fops0 @ identifier fops0.fops; identifier read_f; @@ struct file_operations fops = { ... .read = read_f, ... }; @ has_write depends on fops0 @ identifier fops0.fops; identifier write_f; @@ struct file_operations fops = { ... .write = write_f, ... }; @ has_open depends on fops0 @ identifier fops0.fops; identifier open_f; @@ struct file_operations fops = { ... .open = open_f, ... }; // use no_llseek if we call nonseekable_open //////////////////////////////////////////// @ nonseekable1 depends on !has_llseek && has_open @ identifier fops0.fops; identifier nso ~= "nonseekable_open"; @@ struct file_operations fops = { ... .open = nso, ... +.llseek = no_llseek, /* nonseekable */ }; @ nonseekable2 depends on !has_llseek @ identifier fops0.fops; identifier open.open_f; @@ struct file_operations fops = { ... .open = open_f, ... +.llseek = no_llseek, /* open uses nonseekable */ }; // use seq_lseek for sequential files ///////////////////////////////////// @ seq depends on !has_llseek @ identifier fops0.fops; identifier sr ~= "seq_read"; @@ struct file_operations fops = { ... .read = sr, ... +.llseek = seq_lseek, /* we have seq_read */ }; // use default_llseek if there is a readdir /////////////////////////////////////////// @ fops1 depends on !has_llseek && !nonseekable1 && !nonseekable2 && !seq @ identifier fops0.fops; identifier readdir_e; @@ // any other fop is used that changes pos struct file_operations fops = { ... .readdir = readdir_e, ... +.llseek = default_llseek, /* readdir is present */ }; // use default_llseek if at least one of read/write touches f_pos ///////////////////////////////////////////////////////////////// @ fops2 depends on !fops1 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @ identifier fops0.fops; identifier read.read_f; @@ // read fops use offset struct file_operations fops = { ... .read = read_f, ... +.llseek = default_llseek, /* read accesses f_pos */ }; @ fops3 depends on !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @ identifier fops0.fops; identifier write.write_f; @@ // write fops use offset struct file_operations fops = { ... .write = write_f, ... + .llseek = default_llseek, /* write accesses f_pos */ }; // Use noop_llseek if neither read nor write accesses f_pos /////////////////////////////////////////////////////////// @ fops4 depends on !fops1 && !fops2 && !fops3 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @ identifier fops0.fops; identifier read_no_fpos.read_f; identifier write_no_fpos.write_f; @@ // write fops use offset struct file_operations fops = { ... .write = write_f, .read = read_f, ... +.llseek = noop_llseek, /* read and write both use no f_pos */ }; @ depends on has_write && !has_read && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @ identifier fops0.fops; identifier write_no_fpos.write_f; @@ struct file_operations fops = { ... .write = write_f, ... +.llseek = noop_llseek, /* write uses no f_pos */ }; @ depends on has_read && !has_write && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @ identifier fops0.fops; identifier read_no_fpos.read_f; @@ struct file_operations fops = { ... .read = read_f, ... +.llseek = noop_llseek, /* read uses no f_pos */ }; @ depends on !has_read && !has_write && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @ identifier fops0.fops; @@ struct file_operations fops = { ... +.llseek = noop_llseek, /* no read or write fn */ }; ===== End semantic patch ===== Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Julia Lawall <julia@diku.dk> Cc: Christoph Hellwig <hch@infradead.org>
2009-12-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6Linus Torvalds4-21/+133
* git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: avr32: update default configurations for ATNGW100, ATSTK1002 and ATSTK1006 avr32: add default configurations for ATNGW100 mkII and EVKLCD10X avr32: add support for ATNGW100 mkII board avr32: convert to asm-generic/hardirq.h avr32: add two new at91 to cpu.h definition avr32: clean up linker script using standard macros. avr32: MRMT: correct setup of SPI slaves avr32: function for independently setting up SPI slaves avr32: re-instate MCI WP/CD pin assignments for ATNGW100
2009-12-14avr32: add support for ATNGW100 mkII boardHans-Christian Egtvedt3-18/+134
This patch adds board support for ATNGW100 mkII. This board is an upgrade of the ATNGW100 where the difference is an additional 256 MB NAND flash device and 128 MB 32-bit SDRAM instead of the 32 MB 16-bit SDRAM on ATNGW100. Tested on ATNGW100 mkII, duh (-: Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-12-04tree-wide: fix assorted typos all over the placeAndré Goddard Rosa1-1/+1
That is "success", "unknown", "through", "performance", "[re|un]mapping" , "access", "default", "reasonable", "[con]currently", "temperature" , "channel", "[un]used", "application", "example","hierarchy", "therefore" , "[over|under]flow", "contiguous", "threshold", "enough" and others. Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-08-27avr32: MRMT: correct setup of SPI slavesPeter Ma1-0/+1
For MRMT1/2 add-on card to Atmel ATNGW100. This patch implements the SPI slave setup method created by patch: <<avr32: function for independently setting up SPI slaves>> Signed-off-by: Peter Ma <pma@mediamatech.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-08-27avr32: re-instate MCI WP/CD pin assignments for ATNGW100Peter Ma1-5/+0
The MRMT1 patch mistakenly reverted commit fe272b5bd13d3522f9d1ed35425f1c7af4d8343f. This new patch is intended to correct this, so that both daughtercards should be able to assign GPIO PC25 and PE0 to the MCI driver. Signed-off-by: Peter Ma <pma@mediamatech.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-07-27favr32: improve touchscreen responseBen Nizette1-0/+4
The ezLCD+101 board (to which an favr-32 is fitted) has a long, unshielded, nasty lead between the touch panel and the ads7843 touch controller. In order to get satisfactory response then, we need to employ every noise-reduction trick in the driver's arsenal. After extensive fiddling I've found some good settings: 1) We keep vref on all the time to dramatically reduce settling times (at the cost of a tiny increase in power consumption). 2) Despite 1 the settling time is still non-zero. 500uS is plenty of time for the signals to settle 3) Despite 1 and 2 there's still a little bit of noise around. By setting a pen recheck delay we make the panel feel less touchy and twitchy. Someone with more time and patience myself might be able to tune this numbers further but these settings are now perfectly acceptable for normal use. Tested on ezLCD+101 though should only improve response on other ezLCD+/ favr-32 boards too. Signed-off-by: Ben Nizette <bn@niasdigital.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-06-13Merge branch 'avr32-arch' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6Haavard Skinnemoen6-5/+488
2009-06-08avr32: Add support for Mediama RMTx add-on board for ATNGW100Peter Ma5-0/+475
Signed-off-by: Peter Ma <pma@mediamatech.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-06-08avr32: Change Atmel ATNGW100 config to add choice of add-on boardPeter Ma1-2/+9
Signed-off-by: Peter Ma <pma@mediamatech.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-06-03Fix MIMC200 board LCD initMark Jackson1-14/+15
This patch updates the LCD init code for the MIMC200 board. V2 fixes a .yres typo and corrects an incorrect setup value in the call to at32_add_device_lcdc() Without this patch, the lcd setup is wrong and won't display images correctly (if at all !!) Signed-off-by: Mark Jackson <mpfj@mimc.co.uk> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-04-08avr32: Solves problem with inverted MCI detect pin on Merisc boardJonas Larsson1-3/+4
Same patch as before, modified to use bool. This patch solves the problem with the inverted mci detect pin on Merisc boards. Signed-off-by: Jonas Larsson <jonas.larsson@martinsson.se> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-04-07dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32)Yang Hongyang1-2/+2
Replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-04-01avr32: add RTS/CTS/CLK pin selection for the USARTsPeter Ma8-20/+20
Adds extra parameter to AT32 at32_map_usart(), so as to reserve RTS/CTS/CLK pins. All boards under arch/avr32/boards have been updated (trivial change), but not all have been tested. Signed-off-by: Peter Ma <pma@mediamatech.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-03-30Add RTC support for Merisc boardsJonas Larsson1-0/+8
This patch adds RTC support for the Merisc boards. Signed-off-by: Jonas Larsson <jonas.larsson@martinsson.se> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-03-27avr32: at32ap700x: setup DMA for AC97C in the machine codeHans-Christian Egtvedt2-6/+7
This patch will adjust the setup the DMA controller for the AC97 Controller in the at32ap700x machine code. This setup matches the new ALSA driver for the AC97C. The struct ac97c_platform_data has been moved into its own header file located in the sound include path. Tested on ATSTK1006 + ATSTK1000. This patch will setup the AC97 controller properly for the adjusted machine code. Both EVKLCD10x and Hammerhead board has been updated. Tested on EVKLCD10x, and copied to Hammerhead board. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> [haavard.skinnemoen@atmel.com: fold with board code update] Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-03-27avr32: at32ap700x: setup DMA for ABDAC in the machine codeHans-Christian Egtvedt1-1/+6
This patch will adjust the setup the DMA controller for the Audio Bistream DAC in the at32ap700x machine code. This setup matches the new ALSA driver for the ABDAC. Tested on ATSTK1006 + ATSTK1000. This patch will setup the needed platform data for the Audio Bistream DAC used by the Favr-32 board. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> [haavard.skinnemoen@atmel.com: fold board code update] Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-03-27Add Merisc board supportJonas Larsson7-0/+582
Merisc is the family name for a range of AVR32-based boards. The boards are designed to be used in a man-machine interfacing environment, utilizing a touch-based graphical user interface. They host a vast range of I/O peripherals as well as a large SDRAM & Flash memory bank. For more information see: http://www.martinsson.se/merisc Signed-off-by: Jonas Larsson <jonas.larsson@martinsson.se> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-03-26avr32: fix timing LCD parameters for EVKLCD10X boardsHans-Christian Egtvedt1-10/+10
This patch adjusts the timing parameters for the Kyocera LCD panels connected on the EVKLCD10X addon boards. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-03-26avr32: use GPIO line PB15 on EVKLCD10x boards for backlightHans-Christian Egtvedt1-1/+19
The PB15 GPIO line is used to control the enable and disable signal for the backlight regulator on EVKLCD10x boards. This patch hands the I/O line over to the LCDC driver, which will control when to enable and disable the backlight. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> [haavard.skinnemoen@atmel.com: reverted ac97c change] Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-03-26avr32: configure MCI detect and write protect pins for EVKLCD10x boardsHans-Christian Egtvedt1-5/+0
This patch removes the special handling of MCI platform data for EVKLCD10x boards. This is now possible since the pin mask for the LCD controller is no longer reserving the I/O lines used for MCI card detection and write protect. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-03-26avr32: set pin mask to alternative 18 bpp for EVKLCD10x boardsHans-Christian Egtvedt1-1/+2
This patch will set the pin mask to alternative 18 bits per pixel output for EVKLCD10x boards. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-03-24avr32: remove duplicated #includeHuang Weiyi1-1/+0
Remove duplicated #include in arch/avr32/boards/hammerhead/flash.c. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Acked-by: Alex Raimondi <mailinglist@miromico.ch> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-01-05avr32: data param to at32_add_device_mci() must be non-NULLHaavard Skinnemoen2-2/+20
at32_add_device_mci() will refuse to add the mci device if the data parameter is NULL. Fix up the favr-32 and hammerhead boards so that this doesn't happen. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Cc: Alex Raimondi <mailinglist@miromico.ch> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2009-01-05Merge branch 'move-atmel-mci-h' into boardsHaavard Skinnemoen5-5/+5
2009-01-05atmel-mci: move atmel-mci.h file to include/linuxNicolas Ferre5-5/+5
Needed to use the atmel-mci driver in an architecture independant maner. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-01-05avr32: Hammerhead board supportAlex Raimondi5-0/+663
The Hammerhead platform is built around a AVR32 32-bit microcontroller from Atmel. It offers versatile peripherals, such as ethernet, usb device, usb host etc. The board also incooperates a power supply and is a Power over Ethernet (PoE) Powered Device (PD). Additonally, a Cyclone III FPGA from Altera is integrated on the board. The FPGA is mapped into the 32-bit AVR memory bus. The FPGA offers two DDR2 SDRAM interfaces, which will cover even the most exceptional need of memory bandwidth. Together with the onboard video decoder the board is ready for video processing. This patch does include the basic support for the fpga device driver, but not the device driver itself. Signed-off-by: Alex Raimondi <mailinglist@miromico.ch> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-01-05Merge branch 'cleanups' into boardsHaavard Skinnemoen4-55/+3
2009-01-05avr32: Allow reserving multiple pins at onceAlex Raimondi3-51/+3
at32_reserve_pin now takes an u32 bitmask rather than a single pin. This allows to reserve multiple pins at once. Remove (undocumented) SDCS (pin PE26) from reservation in board setup code. Signed-off-by: Alex Raimondi <raimondi@miromico.ch> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-01-05favr-32: Remove deprecated callHaavard Skinnemoen1-2/+0
at32_add_system_devices() is deprecated, so remove the call to it. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2009-01-05MIMC200: Remove deprecated callMark Jackson1-2/+0
This patch removes a call to the deprecated function at32_add_system_devices(). Signed-off-by: Mark Jackson <mpfj@mimc.co.uk> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-12-18avr32: favr-32 build fixHaavard Skinnemoen2-5/+5
The favr-32 board code still refers to the old asm/arch header files which were moved to mach/ some time ago. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-10-23Merge branches 'boards' and 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6Haavard Skinnemoen4-8/+0
2008-10-23avr32: Fix GPIO initcall breakageHaavard Skinnemoen4-8/+0
Add essential system devices, including GPIO controllers, automatically at core_initcall time. This ensures that the devices are there when the PIO driver gets initialized at postcore_initcall, fixing a bug exposed by commit d6634db8fe1784d0a8e4e156970fec034708446e "avr32: Use platform_driver_probe for pio platform driver". Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-10-13avr32: Add MIMC200 board supportMark Jackson4-0/+461
Please consider the following patch which adds support for a new AVR32 based board. The board is closely based on Atmel's NGW100 reference board, but has an extra 8MByte FLASH and 128KByte FRAM. Signed-off-by: Mark Jackson <mpfj@mimc.co.uk> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-10-13avr32: add support for EarthLCD Favr-32 boardHans-Christian Egtvedt4-0/+473
This patch adds support for the Favr-32 board made by EarthLCD. This kit, which is also called ezLCD-101, has a 10.4" touch screen LCD panel, 16 MB 32-bit SDRAM, 8 MB parallel flash, Ethernet, audio out, USB device, SD-card slot, USART and various other connectors for cennecting stuff to SPI, I2C, GPIO, etc. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-10-13avr32: Add support for EVKLCD10X addon boardsHans-Christian Egtvedt4-1/+197
This patch lets the user enable support for EVKLCD100 and EVKLCD101 (refered to by EVKLCD10X). By enabling EVKLCD10X support the LCD controller and AC97 controller platform devices are added. The user can also choose between the EVKLCD100 (QVGA display) and the EVKLCD101 (VGA display), this is added to automagically select the correct panel timing and resolution parameters. Enabling support for EVKLCD10X addon board will cripple the MCI platform device a bit since they share two GPIO lines (detect and write-protect). These two lines are disabled when EVKLCD10X is enabled. The default configurations are based upon ATNGW100, but with added AC97C and LCDC driver. Virtual terminal is also enabled by default for EVKLCD10X boards. Verified on hardware with a NGW100 + EVKLCD100/101. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-10-12avr32: Fix build failures in board codeHaavard Skinnemoen3-1/+3
Fix a few instances of board code breakage introduced by the atmel-mci platform interface changes. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-10-12avr32: Allow selecting multiple pins at onceJulien May4-4/+4
at32_select_periph() now takes an u32 bitmask rather than a single pin. This allows to set multiple pins at once. Signed-off-by: Alex Raimondi <mailinglist@miromico.ch> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-10-12Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/atmel-mci-2.6.28Haavard Skinnemoen4-11/+38
2008-10-05atmel-mci: Platform code for supporting multiple mmc slotsHaavard Skinnemoen4-11/+38
Add the necessary platform infrastructure to support multiple mmc/sdcard slots all at once through a single controller. Currently, the driver will use the first valid slot it finds and stick with that, but later patches will add support for switching between several slots on the fly. Extend the platform data structure with per-slot information: MMC/SDcard bus width and card detect/write protect pins. This will affect the pin muxing as well as the capabilities announced to the mmc core. Note that board code is now required to supply a mci_platform_data struct to at32_add_device_mci(). Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-09-22ngw100: export J15 through sysfsDavid Brownell1-0/+10
The NGW100 board has jumper J15 (near the reset button) which is unused. This patch exports it through the GPIO sysfs support (as /sys/class/gpio/gpio62/value) so that it's easily queried by boot scripts or whatever might want to know if the jumper has been installed (value = 0) or not (value = 1, "default"). Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> [haavard.skinnemoen@atmel.com: add missing include] Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-09-22avr32: Allow fine-grained control over LCDC pinsJulien May2-2/+4
This replaces the pin_config param with an u64 pin_mask in at32_add_device_lcdc, allowing a board-maintainer to indivually select specific lcdc pins. Signed-off-by: Alex Raimondi <raimondi@miromico.ch> Signed-off-by: Julien May <jmay@miromico.ch> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-09-19atstk1000: fix build breakage with BOARD_ATSTK100X_SW2_CUSTOM=yHaavard Skinnemoen1-1/+1
The #ifdef surrounding the code adding the mmc controller had a typo, causing it to be compiled even when mmc was supposed to be disabled. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-08-08avr32: Make atstk1006_nand_data definition staticHaavard Skinnemoen1-1/+1
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-08-08avr32: Reduce DataFlash bus speed to 8 MHz on ATNGW100Haavard Skinnemoen1-1/+1
Doing this in combination with "atmel_spi: fix hang due to missed interrupt" appears to eliminate the overruns I'm seeing when using JFFS2-on-DataFlash as /usr filesystem on the ATNGW100. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-08-05avr32: Use <mach/foo.h> instead of <asm/arch/foo.h>Haavard Skinnemoen7-22/+22
Update all avr32-specific files to use the new platform-specific header locations. Drivers shared with ARM are left alone for now. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-07-27avr32: some mmc/sd cleanupsDavid Brownell1-1/+18
Minor cleanups for the MMC/SD support on avr32: - Make at32_add_device_mci() properly initialize "missing" platform data ... so boards like STK1002 won't try GPIO 0. - Switch over to gpio_is_valid() instead of testing for only one designated value. - Provide STK1002 platform data for the unlikely case that switches are set so first Ethernet controller isn't in use. (That's the only way to get card detect and writeprotect switch sensing on the STK1000.) And get rid of one "unused variable" warning. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
2008-07-27Merge commit 'upstream/master'Haavard Skinnemoen3-2/+81
2008-07-25Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6David Woodhouse4-2/+61
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