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linux/drivers/spi
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Stefan Roese 2937d5ac11 spi: fsl: Fix problem with multi message transfers 
commit 4302a59629 upstream.

When used via spidev with more than one messages to tranfer via
SPI_IOC_MESSAGE the current implementation would return with
-EINVAL, since bits_per_word and speed_hz are set in all
transfer structs. And in the 2nd loop status will stay at
-EINVAL as its not overwritten again via fsl_spi_setup_transfer().

This patch changes this behavious by first checking if one of
the messages uses different settings. If this is the case
the function will return with -EINVAL. If not, the messages
are transferred correctly.

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: Esben Haabendal <esbenhaabendal@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2015-01-16 06:59:34 -08:00
..
Kconfig spi: rspi: Document support for Renesas QSPI in Kconfig 2014-02-04 19:22:30 +00:00
Makefile spi: bcm63xx-hsspi: add bcm63xx HSSPI driver 2013-12-04 13:29:13 +00:00
spi-altera.c spi: altera: Remove unneeded NULL checking for hw->bitbang.master 2014-01-13 10:12:45 +00:00
spi-ath79.c spi: spi-ath79: fix initial GPIO CS line setup 2014-03-03 12:38:52 +08:00
spi-atmel.c spi: atmel: add missing spi_master_{resume,suspend} calls to PM callbacks 2014-03-05 11:59:53 +08:00
spi-au1550.c Merge remote-tracking branch 'spi/topic/probe' into spi-next 2013-10-25 09:51:36 +01:00
spi-bcm63xx-hsspi.c spi/bcm63xx-hsspi: fix pm sleep support 2013-12-17 22:32:17 +00:00
spi-bcm63xx.c Merge remote-tracking branches 'spi/topic/bcm2835', 'spi/topic/bcm63xx', 'spi/topic/bcm63xx-hsspi', 'spi/topic/bitbang', 'spi/topic/bpw', 'spi/topic/clps711x', 'spi/topic/coldfire', 'spi/topic/davinci', 'spi/topic/dw' and 'spi/topic/falcon' into spi-linus 2014-01-23 13:07:05 +00:00
spi-bcm2835.c spi: bcm2835: Use devm_request_irq() 2013-12-17 22:58:18 +00:00
spi-bfin-sport.c Merge remote-tracking branch 'spi/topic/bfin' into spi-next 2013-10-25 09:51:21 +01:00
spi-bfin-v3.c spi: bfin-v3: use devm_spi_register_master() 2013-09-26 11:42:23 +01:00
spi-bfin5xx.c Merge remote-tracking branch 'spi/topic/bfin' into spi-next 2013-10-25 09:51:21 +01:00
spi-bitbang-txrx.h spi: bitbang: Grammar s/make to make/to make/ 2014-01-13 11:24:21 +00:00
spi-bitbang.c spi: bitbang: Fix checkpatch issue 2013-10-14 18:23:48 +01:00
spi-butterfly.c Merge remote-tracking branch 'spi/topic/butterfly' into spi-next 2013-10-25 09:51:23 +01:00
spi-clps711x.c spi: clps711x: Add MODULE_ALIAS to support module auto-loading 2014-01-14 14:21:43 +00:00
spi-coldfire-qspi.c spi: coldfire-qspi: Fix getting correct address for *mcfqspi 2014-03-05 11:53:08 +08:00
spi-davinci.c Merge remote-tracking branches 'spi/topic/bcm2835', 'spi/topic/bcm63xx', 'spi/topic/bcm63xx-hsspi', 'spi/topic/bitbang', 'spi/topic/bpw', 'spi/topic/clps711x', 'spi/topic/coldfire', 'spi/topic/davinci', 'spi/topic/dw' and 'spi/topic/falcon' into spi-linus 2014-01-23 13:07:05 +00:00
spi-dw-mid.c spi: dw-mid: terminate ongoing transfers at exit 2014-10-30 09:38:24 -07:00
spi-dw-mmio.c spi: dw-mmio: prepare the clock before enabling 2013-12-31 12:30:22 +00:00
spi-dw-pci.c spi: dw-pci: fix bug when regs left uninitialized 2014-10-05 14:52:16 -07:00
spi-dw.c spi: dw: Fix dynamic speed change. 2014-12-06 15:55:38 -08:00
spi-dw.h spi: dw: use managed resources 2013-12-31 12:30:18 +00:00
spi-efm32.c spi: efm32: use $vendor,$device scheme for compatible string 2014-05-06 07:59:24 -07:00
spi-ep93xx.c Merge remote-tracking branch 'spi/topic/bfin' into spi-next 2013-10-25 09:51:21 +01:00
spi-falcon.c spi: falcon: Use devm_spi_register_master() 2013-12-04 12:54:52 +00:00
spi-fsl-cpm.c DeviceTree updates for 3.13. This is a bit larger pull request than 2013-11-12 16:52:17 +09:00
spi-fsl-cpm.h spi/spi-fsl-spi: Make driver usable in CPU mode outside of an FSL_SOC environment 2013-04-07 10:07:54 +01:00
spi-fsl-dspi.c spi: fsl-dspi: Fix CTAR selection 2014-11-14 09:00:05 -08:00
spi-fsl-espi.c spi/fsl-espi: Add Power Management support for eSPI controller 2013-12-12 11:50:02 +00:00
spi-fsl-lib.c spi: use dev_get_platdata() 2013-08-29 13:56:23 +01:00
spi-fsl-lib.h spi/spi-fsl-spi: Add support for gpio chipselects for GRLIB type cores 2013-04-07 10:07:57 +01:00
spi-fsl-spi.c spi: fsl: Fix problem with multi message transfers 2015-01-16 06:59:34 -08:00
spi-fsl-spi.h spi/spi-fsl-spi: Add support for Aeroflex Gaisler GRLIB cores normally running on SPARC 2013-04-07 10:07:56 +01:00
spi-gpio.c spi: spi-gpio: Use 'cansleep' variants to access GPIO 2013-11-24 14:12:36 +00:00
spi-imx.c spi: spi-imx: spi_imx_remove: do not disable disabled clocks 2014-02-28 15:14:54 +09:00
spi-lm70llp.c spi: bitbang: Let spi_bitbang_start() take a reference to master 2013-10-07 14:50:43 +01:00
spi-mpc52xx-psc.c spi: Don't break user-visible strings to multiple source lines in drivers 2013-10-16 19:07:15 +01:00
spi-mpc52xx.c spi: use platform_{get,set}_drvdata() 2013-05-23 09:09:55 -05:00
spi-mpc512x-psc.c Merge remote-tracking branch 'agust/next' into next 2014-01-29 16:53:55 +11:00
spi-mxs.c spi: Remove duplicate code to set default bits_per_word setting 2014-01-17 15:54:22 +00:00
spi-nuc900.c spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true 2014-02-04 20:32:58 +00:00
spi-oc-tiny.c spi: oc-tiny: Simplify tiny_spi_txrx_bufs implementation when irq is not used 2014-01-09 17:58:28 +00:00
spi-octeon.c spi: octeon: use devm_spi_register_master() 2013-09-26 11:42:34 +01:00
spi-omap-100k.c spi: omap-100k: remove pointless _remove function 2013-12-02 17:35:54 +00:00
spi-omap-uwire.c spi: spi-omap-uwire: replace platform_driver_probe to support deferred probing 2013-10-09 12:07:50 +01:00
spi-omap2-mcspi.c spi/omap-mcspi: Fix the spi task hangs waiting dma_rx 2014-10-05 14:52:15 -07:00
spi-orion.c spi: orion: fix incorrect handling of cell-index DT property 2014-09-17 09:19:07 -07:00
spi-pl022.c spi: pl022: Fix incorrect dma_unmap_sg 2014-11-14 09:00:04 -08:00
spi-ppc4xx.c DeviceTree updates for 3.13. This is a bit larger pull request than 2013-11-12 16:52:17 +09:00
spi-pxa2xx-dma.c Merge remote-tracking branch 'spi/topic/pxa' into spi-next 2013-06-26 16:21:03 +01:00
spi-pxa2xx-pci.c spi: remove DEFINE_PCI_DEVICE_TABLE macro 2013-12-03 18:03:26 +00:00
spi-pxa2xx-pxadma.c spi/pxa2xx: break out the private DMA API usage into a separate file 2013-02-08 12:15:21 +00:00
spi-pxa2xx.c spi: pxa2xx: toggle clocks on suspend if not disabled by runtime PM 2014-11-14 09:00:05 -08:00
spi-pxa2xx.h spi/pxa2xx: add support for Intel Low Power Subsystem SPI 2013-02-08 13:14:40 +00:00
spi-rspi.c Merge commit 'spi/fix/rcar' into spi-linus 2014-01-23 13:13:30 +00:00
spi-s3c24xx-fiq.S spi: reorganize drivers 2011-06-06 01:16:30 -06:00
spi-s3c24xx-fiq.h spi: reorganize drivers 2011-06-06 01:16:30 -06:00
spi-s3c24xx.c spi: s3c24xx: Remove reference to plat/fiq.h 2014-01-08 13:06:21 +00:00
spi-s3c64xx.c spi/s3c64xx: Correct indentation 2014-01-13 11:30:41 +00:00
spi-sc18is602.c Merge commit 'spi/topic/sc18is602' into spi-linus 2014-01-23 13:14:15 +00:00
spi-sh-hspi.c Merge remote-tracking branches 'spi/topic/fsl-espi', 'spi/topic/gpio', 'spi/topic/hspi', 'spi/topic/mpc512x', 'spi/topic/msiof', 'spi/topic/nuc900', 'spi/topic/oc-tiny', 'spi/topic/omap', 'spi/topic/orion' and 'spi/topic/pci' into spi-linus 2014-01-23 13:07:09 +00:00
spi-sh-msiof.c Merge remote-tracking branches 'spi/topic/fsl-espi', 'spi/topic/gpio', 'spi/topic/hspi', 'spi/topic/mpc512x', 'spi/topic/msiof', 'spi/topic/nuc900', 'spi/topic/oc-tiny', 'spi/topic/omap', 'spi/topic/orion' and 'spi/topic/pci' into spi-linus 2014-01-23 13:07:09 +00:00
spi-sh-sci.c spi: bitbang: Let spi_bitbang_start() take a reference to master 2013-10-07 14:50:43 +01:00
spi-sh.c Merge remote-tracking branches 'spi/topic/pxa2xx', 'spi/topic/qspi', 'spi/topic/s3c24xx', 'spi/topic/s3c64xx', 'spi/topic/sh', 'spi/topic/tegra114', 'spi/topic/tegra20-sflash', 'spi/topic/tegra20-slink', 'spi/topic/txx9' and 'spi/topic/xcomm' into spi-linus 2014-01-23 13:07:14 +00:00
spi-sirf.c spi: Remove duplicate code to set default bits_per_word setting 2014-01-17 15:54:22 +00:00
spi-tegra20-sflash.c spi: Updates for v3.14 2014-01-25 13:20:36 -08:00
spi-tegra20-slink.c spi: Updates for v3.14 2014-01-25 13:20:36 -08:00
spi-tegra114.c spi: Updates for v3.14 2014-01-25 13:20:36 -08:00
spi-ti-qspi.c Merge remote-tracking branches 'spi/topic/pxa2xx', 'spi/topic/qspi', 'spi/topic/s3c24xx', 'spi/topic/s3c64xx', 'spi/topic/sh', 'spi/topic/tegra114', 'spi/topic/tegra20-sflash', 'spi/topic/tegra20-slink', 'spi/topic/txx9' and 'spi/topic/xcomm' into spi-linus 2014-01-23 13:07:14 +00:00
spi-ti-ssp.c spi: use dev_get_platdata() 2013-08-29 13:56:23 +01:00
spi-tle62x0.c Merge remote-tracking branch 'spi/topic/tel62x0' into spi-next 2013-09-01 13:49:14 +01:00
spi-topcliff-pch.c spi-topcliff-pch: Fix probing when DMA mode is used 2014-02-27 13:37:10 +09:00
spi-txx9.c Merge remote-tracking branches 'spi/topic/pxa2xx', 'spi/topic/qspi', 'spi/topic/s3c24xx', 'spi/topic/s3c64xx', 'spi/topic/sh', 'spi/topic/tegra114', 'spi/topic/tegra20-sflash', 'spi/topic/tegra20-slink', 'spi/topic/txx9' and 'spi/topic/xcomm' into spi-linus 2014-01-23 13:07:14 +00:00
spi-xcomm.c spi: xcomm: Use devm_spi_register_master() 2013-12-04 12:52:30 +00:00
spi-xilinx.c tree-wide: use reinit_completion instead of INIT_COMPLETION 2013-11-15 09:32:21 +09:00
spi.c spi: core: Ignore unsupported Dual/Quad Transfer Mode bits 2014-06-07 10:28:28 -07:00
spidev.c spi: spidev: Fix checkpatch issue 2013-10-15 13:15:52 +01:00