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04bb2a031c
linux/drivers/spi
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Marek Szyprowski 04bb2a031c spi/bitbang: add support for SPI_MASTER_NO_{TX, RX} modes 
This patch adds a new flags argument to bitbang_txrx_be_cpha0 and
bitbang_txrx_be_cpha1 transfer functions. This enables support for
SPI_MASTER_NO_{TX,RX} transfer modes. The change should have no impact
on speed of the existing drivers. bitbank_txrx_* functions are usually
inlined into the drivers. When the argument is equal to constant zero,
the optimizer would be able to eliminate the dead code (flags checks)
easily. Tested on ARM and GCC 4.4.x and in all cases the checks were
eliminated in the inlined function.

Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-07-03 22:45:44 -06:00
..
amba-pl022.c spi/pl022: fix stop queue procedure 2010-05-25 00:23:14 -06:00
atmel_spi.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
atmel_spi.h
au1550_spi.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
coldfire_qspi.c spi: Add Freescale/Motorola Coldfire QSPI driver 2010-01-20 13:49:44 -07:00
davinci_spi.c spi/davinci: Fix clock prescale factor computation 2010-05-25 00:23:54 -06:00
dw_spi_mmio.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
dw_spi_pci.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
dw_spi.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ep93xx_spi.c spi/ep93xx: implemented driver for Cirrus EP93xx SPI controller 2010-05-25 00:23:16 -06:00
Kconfig Merge remote branch 'origin' into secretlab/next-spi 2010-05-25 00:38:26 -06:00
Makefile spi/mpc5121: Add SPI master driver for MPC5121 PSC 2010-05-25 00:23:17 -06:00
mpc52xx_psc_spi.c of: Remove duplicate fields from of_platform_driver 2010-05-22 00:10:40 -06:00
mpc52xx_spi.c of: Remove duplicate fields from of_platform_driver 2010-05-22 00:10:40 -06:00
mpc512x_psc_spi.c of/spi: mpc512x_psc_spi.c: Fix build failures 2010-06-02 13:45:06 -06:00
omap2_mcspi.c spi/omap2_mcspi: Check params before dereference or use 2010-05-25 00:23:15 -06:00
omap_spi_100k.c SPI100k: Fix 8-bit and RX-only transfers 2010-07-03 22:45:44 -06:00
omap_uwire.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
orion_spi.c spi: move more spi_setup() functionality into core 2009-06-18 13:03:42 -07:00
pxa2xx_spi.c [ARM] pxa: add namespace on ssp 2010-05-11 17:25:06 +02:00
spi_bfin5xx.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
spi_bitbang_txrx.h spi/bitbang: add support for SPI_MASTER_NO_{TX, RX} modes 2010-07-03 22:45:44 -06:00
spi_bitbang.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
spi_butterfly.c spi/bitbang: add support for SPI_MASTER_NO_{TX, RX} modes 2010-07-03 22:45:44 -06:00
spi_gpio.c spi/bitbang: add support for SPI_MASTER_NO_{TX, RX} modes 2010-07-03 22:45:44 -06:00
spi_imx.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
spi_lm70llp.c spi/bitbang: add support for SPI_MASTER_NO_{TX, RX} modes 2010-07-03 22:45:44 -06:00
spi_mpc8xxx.c Merge remote branch 'origin' into secretlab/next-spi 2010-05-25 00:38:26 -06:00
spi_nuc900.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
spi_ppc4xx.c of/spi: Fix build failure on spi_ppc4xx.c 2010-06-02 13:38:33 -06:00
spi_s3c24xx_fiq.h spi_s3c24xx: add FIQ pseudo-DMA support 2009-12-17 08:57:01 -07:00
spi_s3c24xx_fiq.S spi_s3c24xx: add FIQ pseudo-DMA support 2009-12-17 08:57:01 -07:00
spi_s3c24xx_gpio.c spi/bitbang: add support for SPI_MASTER_NO_{TX, RX} modes 2010-07-03 22:45:44 -06:00
spi_s3c24xx.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
spi_s3c64xx.c spi/spi_s3c64xx.c: Fix continuation line formats 2010-02-02 01:07:07 -07:00
spi_sh_msiof.c Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6 2010-02-25 15:38:03 -08:00
spi_sh_sci.c spi/bitbang: add support for SPI_MASTER_NO_{TX, RX} modes 2010-07-03 22:45:44 -06:00
spi_stmp.c spi: Fix reversed args to time_before() in Freescale stmp driver. 2010-01-20 13:49:44 -07:00
spi_txx9.c Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6 2009-12-17 15:59:05 -08:00
spi.c spi/mmc_spi: SPI bus locking API, using mutex 2010-06-28 17:49:29 -07:00
spidev.c Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6 2009-12-17 15:59:05 -08:00
tle62x0.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
xilinx_spi_of.c spi/xilinx: Fix compile error 2010-05-25 00:48:24 -06:00
xilinx_spi_pltfm.c xilinx_spi: add a platform driver using the xilinx_spi common module. 2009-12-08 18:48:14 -07:00
xilinx_spi.c spi: xilinx_spi: Fix up I/O routine wrapping bogosity. 2010-01-20 13:49:45 -07:00
xilinx_spi.h xilinx_spi: Split into of driver and generic part. 2009-12-08 18:48:14 -07:00