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2010-02-02spi: spi_sh_msiof: Fixed data sampling on the correct edgeMarkus Pietrek
The spi_sh_msiof.c driver presently misconfigures REDG and TEDG. TEDG==0 outputs data at the **rising edge** of the clock and REDG==0 samples data at the **falling edge** of the clock. Therefore for SPI, TEDG must be equal to REDG, otherwise the last byte received is not sampled in SPI mode 3. This brings the driver in line with the SH7723 HW Reference Manual settings documented in Figures 20.20 and 20.21 ("SPI Clock and data timing"). Signed-off-by: Markus Pietrek <Markus.Pietrek@emtrion.de> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-12-17Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: spi: spi_txx9.c: use resource_size() spi: spi_sh_sci.c: use resource_size() spi: spi_mpc8xxx.c: use resource_size() spi: spi_bfin5xx.c: use resource_size() spi: atmel_spi.c: use resource_size() spi: Add s3c64xx SPI Controller driver atmel_spi: fix dma addr calculation for len > BUFFER_SIZE spi_s3c24xx: add FIQ pseudo-DMA support spi: controller driver for Designware SPI core spidev: add proper section markers spidev: use DECLARE_BITMAP instead of declaring the array
2009-12-17spi: spi_txx9.c: use resource_size()hartleys
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17spi: spi_sh_sci.c: use resource_size()hartleys
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17spi: spi_mpc8xxx.c: use resource_size()hartleys
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17spi: spi_bfin5xx.c: use resource_size()hartleys
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Bryan Wu <cooloney@kernel.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17spi: atmel_spi.c: use resource_size()hartleys
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17spi: Add s3c64xx SPI Controller driverJassi Brar
Each SPI controller has exactly one CS line and as such doesn't provide for multi-cs. We implement a workaround to support multi-cs by _not_ configuring the mux'ed CS pin for each SPI controller. The CS mechanism is assumed to be fully machine specific - the driver doesn't even assume some GPIO pin is used to control the CS. The driver selects between DMA and POLLING mode depending upon the xfer size - DMA mode for xfers bigger than FIFO size, POLLING mode otherwise. The driver has been designed to be capable of running SoCs since s3c64xx and till date, for that reason some of the register fields have been passed via, SoC specific, platform data. Signed-off-by: Jassi Brar <jassi.brar@samsung.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17atmel_spi: fix dma addr calculation for len > BUFFER_SIZEBen Nizette
If len > BUFFER_LEN and !xfer->rx_buf we end up calculating the tx buffer address as *tx_dma = xfer->tx_dma + xfer->len - BUFFER_SIZE; which is constant; i.e. we just send the last BUFFER_SIZE data over again until we've reached the right number of bytes. This patch gets around this by using the /requested/ length when calculating addresses. Note there's no way len != *plen when we calculate the rx buffer address but conceptually we should be using *plen and I don't want someone to come through later, see the calculations for rx and tx are different and "clean up" back to what we had. Signed-off-by: Ben Nizette <bn@niasdigital.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17spi_s3c24xx: add FIQ pseudo-DMA supportBen Dooks
Add pseudo-DMA by FIQ to the S3C24XX SPI driver. This allows the driver to get DMA-like performance where there are either no free DMA channels or when doing transfers that required both TX and RX data paths. Since this patch requires the addition of an assembly file to hold the FIQ code, we rename the module (instead of adding a rename of the .c file to this patch). We expect most users are loading this via udev and thus there should be no change to the userland configuration. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Simtec Linux Team <linux@simtec.co.uk> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17spi: controller driver for Designware SPI coreFeng Tang
Driver for the Designware SPI core, it supports multipul interfaces like PCI/APB etc. User can use "dw_apb_ssi_db.pdf" from Synopsys as HW datasheet. [randy.dunlap@oracle.com: fix build] [akpm@linux-foundation.org: build fix] Signed-off-by: Feng Tang <feng.tang@intel.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17spidev: add proper section markersMike Frysinger
The driver already uses __devexit_p() in the structure, but looks like actual __dev{init,exit} markings were forgotten. The spidev_spi driver also needs renaming to include a "_driver" suffix to avoid section mismatch warnings. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-17spidev: use DECLARE_BITMAP instead of declaring the arrayThadeu Lima de Souza Cascardo
[akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-15const: constify remaining dev_pm_opsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-14Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (23 commits) spi: fix probe/remove section markings Add OMAP spi100k driver spi-imx: don't access struct device directly but use dev_get_platdata spi-imx: Add mx25 support spi-imx: use positive logic to distinguish cpu variants spi-imx: correct check for platform_get_irq failing ARM: NUC900: Add spi driver support for nuc900 spi: SuperH MSIOF SPI Master driver V2 spi: fix spidev compilation failure when VERBOSE is defined spi/au1550_spi: fix setupxfer not to override cfg with zeros spi/mpc8xxx: don't use __exit_p to wrap plat_mpc8xxx_spi_remove spi/i.MX: fix broken error handling for gpio_request spi/i.mx: drain MXC SPI transfer buffer when probing device MAINTAINERS: add SPI co-maintainer. spi/xilinx_spi: fix incorrect casting spi/mpc52xx-spi: minor cleanups xilinx_spi: add a platform driver using the xilinx_spi common module. xilinx_spi: add support for the DS570 IP. xilinx_spi: Switch to iomem functions and support little endian. xilinx_spi: Split into of driver and generic part. ...
2009-12-13spi: fix probe/remove section markingsGrant Likely
Probe/remove functions need to be marked as __devinit and __devexit (not __init an __exit) to prevent trying to run code that has been discarded. This patch fixes the spi_imx driver to mark probe and remove correctly. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-13Add OMAP spi100k driverCory Maccarrone
This change adds the OMAP SPI 100k driver created by Fabrice Crohas <fcrohas@gmail.com>. This SPI bus is found on OMAP7xx-series smartphones, and for many, the touchscreen is attached to this bus. The lion's share of the work was done by Fabrice on this driver -- I am merely porting it from the Linwizard project on his behalf. Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-13spi-imx: don't access struct device directly but use dev_get_platdataUwe Kleine-König
Also there is no casting needed to assign a void pointer. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-13spi-imx: Add mx25 supportSascha Hauer
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-13spi-imx: use positive logic to distinguish cpu variantsUwe Kleine-König
This is much safer when support for new variants is added. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-13spi-imx: correct check for platform_get_irq failingUwe Kleine-König
platform_get_irq returns -ENXIO if there is no entry. So ensure return value is greater than zero instead of non-zero. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-13ARM: NUC900: Add spi driver support for nuc900Wan ZongShun
Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-13spi: SuperH MSIOF SPI Master driver V2Magnus Damm
This patch is V2 of SPI Master support for the SuperH MSIOF. Full duplex, spi mode 0-3, active high cs, 3-wire and lsb first should all be supported, but the driver has so far only been tested with "mmc_spi". The MSIOF hardware comes with 32-bit FIFOs for receive and transmit, and this driver simply breaks the SPI messages into FIFO-sized chunks. The MSIOF hardware manages the pins for clock, receive and transmit (sck/miso/mosi), but the chip select pin is managed by software and must be configured as a regular GPIO pin by the board code. Performance wise there is still room for improvement, but on a Ecovec board with the built-in sh7724 MSIOF0 this driver gets Mini-sd read speeds of about half a megabyte per second. Future work include better clock setup and merging of 8-bit transfers into 32-bit words to reduce interrupt load and improve throughput. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-12Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (151 commits) powerpc: Fix usage of 64-bit instruction in 32-bit altivec code MAINTAINERS: Add PowerPC patterns powerpc/pseries: Track previous CPPR values to correctly EOI interrupts powerpc/pseries: Correct pseries/dlpar.c build break without CONFIG_SMP powerpc: Make "intspec" pointers in irq_host->xlate() const powerpc/8xx: DTLB Miss cleanup powerpc/8xx: Remove DIRTY pte handling in DTLB Error. powerpc/8xx: Start using dcbX instructions in various copy routines powerpc/8xx: Restore _PAGE_WRITETHRU powerpc/8xx: Add missing Guarded setting in DTLB Error. powerpc/8xx: Fixup DAR from buggy dcbX instructions. powerpc/8xx: Tag DAR with 0x00f0 to catch buggy instructions. powerpc/8xx: Update TLB asm so it behaves as linux mm expects. powerpc/8xx: Invalidate non present TLBs powerpc/pseries: Serialize cpu hotplug operations during deactivate Vs deallocate pseries/pseries: Add code to online/offline CPUs of a DLPAR node powerpc: stop_this_cpu: remove the cpu from the online map. powerpc/pseries: Add kernel based CPU DLPAR handling sysfs/cpu: Add probe/release files powerpc/pseries: Kernel DLPAR Infrastructure ...
2009-12-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (42 commits) tree-wide: fix misspelling of "definition" in comments reiserfs: fix misspelling of "journaled" doc: Fix a typo in slub.txt. inotify: remove superfluous return code check hdlc: spelling fix in find_pvc() comment doc: fix regulator docs cut-and-pasteism mtd: Fix comment in Kconfig doc: Fix IRQ chip docs tree-wide: fix assorted typos all over the place drivers/ata/libata-sff.c: comment spelling fixes fix typos/grammos in Documentation/edac.txt sysctl: add missing comments fs/debugfs/inode.c: fix comment typos sgivwfb: Make use of ARRAY_SIZE. sky2: fix sky2_link_down copy/paste comment error tree-wide: fix typos "couter" -> "counter" tree-wide: fix typos "offest" -> "offset" fix kerneldoc for set_irq_msi() spidev: fix double "of of" in comment comment typo fix: sybsystem -> subsystem ...
2009-12-09Merge branch 'bkl-drivers-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'bkl-drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: agp: Remove the BKL from agp_open inifiband: Remove BKL from ipath_open() mips: Remove BKL from tb0219 drivers: Remove BKL from scx200_gpio drivers: Remove BKL from pc8736x_gpio parisc: Remove BKL from eisa_eeprom rtc: Remove BKL from efirtc input: Remove BKL from hp_sdc_rtc hw_random: Remove BKL from core macintosh: Remove BKL from ans-lcd nvram: Drop the bkl from non-generic nvram_llseek() nvram: Drop the bkl from nvram_llseek() mem_class: Drop the bkl from memory_open() spi: Remove BKL from spidev_open drivers: Remove BKL from cs5535_gpio drivers: Remove BKL from misc_open
2009-12-09Merge commit 'origin/master' into nextBenjamin Herrenschmidt
Conflicts: include/linux/kvm.h
2009-12-09Merge commit 'gcl/next' into nextBenjamin Herrenschmidt
2009-12-08spi: fix spidev compilation failure when VERBOSE is definedFlorian Fainelli
When VERBOSE is defined in the spidev module, the compilation will throw an error on 'spi' not being defined: CC [M] drivers/spi/spidev.o drivers/spi/spidev.c: In function 'spidev_message': drivers/spi/spidev.c:266: error: 'spi' undeclared (first use in this function) drivers/spi/spidev.c:266: error: (Each undeclared identifier is reported only once drivers/spi/spidev.c:266: error: for each function it appears in.) instead of using spi-> we should actually use spidev->spi. This patch fixes the build failure. Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08spi/au1550_spi: fix setupxfer not to override cfg with zerosJan Nikitenko
fix setupxfer() not to override generic configuration of speed_hz and bits_per_word with zeros Signed-off-by: Jan Nikitenko <jan.nikitenko@gmail.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08spi/mpc8xxx: don't use __exit_p to wrap plat_mpc8xxx_spi_removeUwe Kleine-König
The function plat_mpc8xxx_spi_remove is defined using __devexit, so don't use __exit_p but __devexit_p to wrap it. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08spi/i.MX: fix broken error handling for gpio_requestJohn Ogness
i.MX35-provided chipselects are represented using negative numbers. If gpio_request() fails and the previous chipselect was a negative number, the while loop is endless (i is never decremented). Also, the error loop would never call gpio_free on chipselect[0]. And finally, the error message was missing an endline. Signed-off-by: John Ogness <john.ogness@linutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08spi/i.mx: drain MXC SPI transfer buffer when probing deviceDaniel Mack
On the MX31litekit, the bootloader seems to communicate with the MC13783 PMIC chip before booting Linux. However, it does not flush all the buffers properly after that, which makes the imx-spi driver read bogus data when probing the MC13783. Fix that by draining the SPI receive buffer on startup. Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08spi/xilinx_spi: fix incorrect castingGrant Likely
This patch fixes the error exposed by the following build warning: drivers/spi/xilinx_spi.c: In function 'xilinx_spi_init': drivers/spi/xilinx_spi.c:411: warning: cast from pointer to integer of different size Fixed by change %x to %p in the format string. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08spi/mpc52xx-spi: minor cleanupsWolfram Sang
- drop own, obsolete include-file - drop IRQF_SAMPLE_RANDOM (deprecated feature) - drop 'if' above kfree() - typos, braces & whitespaces Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Luotao Fu <l.fu@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08xilinx_spi: add a platform driver using the xilinx_spi common module.Richard Röjfors
This patch adds in a platform device driver using the xilinx_spi common module. Tested-by: John Linn <John.Linn@xilinx.com> Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08xilinx_spi: add support for the DS570 IP.Richard Röjfors
This patch adds in support for the DS570 IP. It's register compatible with the DS464, but adds support for 8/16/32 SPI. The 8/16/32 support is added by attaching callbacks reading/writing the proper amount of data. To indicate to the driver which amount of bits to use a new field is introduced in the platform data struct. Acked-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: John Linn <John.Linn@xilinx.com> Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08xilinx_spi: Switch to iomem functions and support little endian.Richard Röjfors
This patch changes the out_(be)(8|16|32) and in_(be)(8|16|32) calls to 32 bits ioread/iowrite. The read and write function are attached to the internal struct as callbacks, callback is selected depending on endianess. This will also build on platforms not supporting the in/out calls for instance x86. Acked-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: John Linn <John.Linn@xilinx.com> Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08xilinx_spi: Split into of driver and generic part.Richard Röjfors
This patch splits the xilinx_spi driver into a generic part and a OF driver part. The reason for this is to later add in a platform driver as well. Tested-by: John Linn <John.Linn@xilinx.com> Signed-off-by: Richard Röjfors <richard.rojfors@mocean-labs.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08mpc52xx_spi: add gpio chipselectLuotao Fu
This one enables the mpc52xx_spi driver for usage of user defined gpio lines as chipselect. This way we can control some more spi devices than only one V2 Changes: * preinitialize the gpio as output in probe function and call gpio_set_value in the chip select function instead of calling direction_output every time. * initialize the gpio line with output high, since we don't support CS_HIGH in the driver currently any way. change gpio value setting to default active low in chip select call. * free the gpio array while error or removing. Signed-off-by: Luotao Fu <l.fu@pengutronix.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08mpc52xx_spi: add missing mode_bits definitionLuotao Fu
V2 changes: * remove CS_HIGH mode Signed-off-by: Luotao Fu <l.fu@pengutronix.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08mpc52xx_spi: fix clearing status registerLuotao Fu
Before reading status register to check MODF failure, we have to clear it first since the MODF flag will be set after initializing the spi master, if the hardware comes up with a low SS. The processor datasheet reads: Mode Fault flag -- bit sets if SS input goes low while SPI is configured as a master. Flag is cleared automatically by an SPI status register read (with MODF set) followed by a SPI control register 1 write. Hence simply rereading the register is not sufficient to clear the flag. We redo the write also to make sure to clear the flag. V2 Changes: * change variable type from int to u8 Signed-off-by: Luotao Fu <l.fu@pengutronix.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2009-12-08Merge branch 'omap-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 * 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (149 commits) arm: omap: Add omap3_defconfig AM35xx: Defconfig for AM3517 EVM board AM35xx: Add support for AM3517 EVM board omap: 3630sdp: defconfig creation omap: 3630sdp: introduce 3630 sdp board support omap3: Add defconfig for IGEP v2 board omap3: Add minimal IGEP v2 support omap3: Add CompuLab CM-T35 defconfig omap3: Add CompuLab CM-T35 board support omap3: rx51: Add wl1251 wlan driver support omap3: rx51: Add SDRAM init omap1: Add default kernel configuration for Herald omap1: Add board support and LCD for HTC Herald omap: zoom2: update defconfig for LL_DEBUG_NONE omap: zoom3: defconfig creation omap3: zoom: Introduce zoom3 board support omap3: zoom: Drop i2c-1 speed to 2400 omap3: zoom: rename zoom2 name to generic zoom omap3: zoom: split board file for software reuse omap3evm: MIgrate to smsc911x ethernet driver ... Fix trivial conflict (two unrelated config options added next to each other) in arch/arm/mach-omap2/Makefile
2009-12-07Merge branch 'for-next' into for-linusJiri Kosina
Conflicts: kernel/irq/chip.c
2009-12-04spidev: fix double "of of" in commentThadeu Lima de Souza Cascardo
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-12-02SPI: spi_txx9: Fix bit rate calculationAtsushi Nemoto
TXx9 SPI bit rate is calculated by: fBR = (spi-baseclk) / (n + 1) Fix calculation of min_speed_hz, max_speed_hz and n. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-11-24Merge commit 'origin/master' into nextBenjamin Herrenschmidt
2009-11-24powerpc: Fix build of some FSL platformsBenjamin Herrenschmidt
Commit 87ec0e98cfdd8b68da6a7f9e70142ffc0e404fbb in kumar's next branch broke one of my test configs since it looks like Anton forgot about that mpc832x_rdb platform which still uses the old style probing for the SPI stuff. I'll let them do a cleaner fix that probably involves changing the probing method and getting rid of the platform device but for now this will do to fix it. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-11-22Merge 7xx-iosplit-plat-merge with omap-fixesTony Lindgren
Merge branch '7xx-iosplit-plat-merge' into omap-for-linus
2009-11-17spi: error status should be negativeRoel Kluin
Return a negative error value instead of a positive Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: dmitry pervushin <dpervushin@embeddedalley.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>