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authorLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 19:35:11 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 19:35:11 -0400
commit708e16892e1646594a29eaa7ac7b209b600b9fd2 (patch)
treefe7c31bc0edef84eb1075c7e195340047d6aaa17 /Documentation/spi/pxa2xx
parentf3c87a8999c28f2948ebd407574f7e9fb5c577b2 (diff)
parenta847825970e741e20a09c659978baa34016b63bc (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial
* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (39 commits) Add missing maintainer countries in CREDITS Fix bytes <-> kilobytes typo in Kconfig for ramdisk fix a typo in Documentation/pi-futex.txt BUG_ON conversion for fs/xfs/ BUG_ON() conversion in fs/nfsd/ BUG_ON conversion for fs/reiserfs BUG_ON cleanups in arch/i386 BUG_ON cleanup in drivers/net/tokenring/ BUG_ON cleanup for drivers/md/ kerneldoc-typo in led-class.c debugfs: spelling fix rcutorture: Fix incorrect description of default for nreaders parameter parport: Remove space in function calls Michal Wronski: update contact info Spelling fix: "control" instead of "cotrol" reboot parameter in Documentation/kernel-parameters.txt Fix copy&waste bug in comment in scripts/kernel-doc remove duplicate "until" from kernel/workqueue.c ite_gpio fix tabbage fix file specification in comments ... Fixed trivial path conflicts due to removed files: arch/mips/dec/boot/decstation.c, drivers/char/ite_gpio.c
Diffstat (limited to 'Documentation/spi/pxa2xx')
-rw-r--r--Documentation/spi/pxa2xx6
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/spi/pxa2xx b/Documentation/spi/pxa2xx
index 9c45f3df2e18..a1e0ee20f595 100644
--- a/Documentation/spi/pxa2xx
+++ b/Documentation/spi/pxa2xx
@@ -124,12 +124,12 @@ use a value of 8.
124The "pxa2xx_spi_chip.timeout_microsecs" fields is used to efficiently handle 124The "pxa2xx_spi_chip.timeout_microsecs" fields is used to efficiently handle
125trailing bytes in the SSP receiver fifo. The correct value for this field is 125trailing bytes in the SSP receiver fifo. The correct value for this field is
126dependent on the SPI bus speed ("spi_board_info.max_speed_hz") and the specific 126dependent on the SPI bus speed ("spi_board_info.max_speed_hz") and the specific
127slave device. Please note the the PXA2xx SSP 1 does not support trailing byte 127slave device. Please note that the PXA2xx SSP 1 does not support trailing byte
128timeouts and must busy-wait any trailing bytes. 128timeouts and must busy-wait any trailing bytes.
129 129
130The "pxa2xx_spi_chip.enable_loopback" field is used to place the SSP porting 130The "pxa2xx_spi_chip.enable_loopback" field is used to place the SSP porting
131into internal loopback mode. In this mode the SSP controller internally 131into internal loopback mode. In this mode the SSP controller internally
132connects the SSPTX pin the the SSPRX pin. This is useful for initial setup 132connects the SSPTX pin to the SSPRX pin. This is useful for initial setup
133testing. 133testing.
134 134
135The "pxa2xx_spi_chip.cs_control" field is used to point to a board specific 135The "pxa2xx_spi_chip.cs_control" field is used to point to a board specific
@@ -208,7 +208,7 @@ DMA and PIO I/O Support
208----------------------- 208-----------------------
209The pxa2xx_spi driver support both DMA and interrupt driven PIO message 209The pxa2xx_spi driver support both DMA and interrupt driven PIO message
210transfers. The driver defaults to PIO mode and DMA transfers must enabled by 210transfers. The driver defaults to PIO mode and DMA transfers must enabled by
211setting the "enable_dma" flag in the "pxa2xx_spi_master" structure and and 211setting the "enable_dma" flag in the "pxa2xx_spi_master" structure and
212ensuring that the "pxa2xx_spi_chip.dma_burst_size" field is non-zero. The DMA 212ensuring that the "pxa2xx_spi_chip.dma_burst_size" field is non-zero. The DMA
213mode support both coherent and stream based DMA mappings. 213mode support both coherent and stream based DMA mappings.
214 214