The patch titled
SPI loopback mode definition
has been added to the -mm tree. Its filename is
spi-loopback-mode-definition.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: SPI loopback mode definition
From: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
Loopback mode is supported by various controllers. This mode can be
useful for testing, especially in conjunction with spidev driver.
Signed-off-by: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
Signed-off-by: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/spi/spi.h | 1 +
1 file changed, 1 insertion(+)
diff -puN include/linux/spi/spi.h~spi-loopback-mode-definition include/linux/spi/spi.h
--- a/include/linux/spi/spi.h~spi-loopback-mode-definition
+++ a/include/linux/spi/spi.h
@@ -77,6 +77,7 @@ struct spi_device {
#define SPI_CS_HIGH 0x04 /* chipselect active high? */
#define SPI_LSB_FIRST 0x08 /* per-word bits-on-wire */
#define SPI_3WIRE 0x10 /* SI/SO signals shared */
+#define SPI_LOOP 0x20 /* loopback mode */
u8 bits_per_word;
int irq;
void *controller_state;
_
Patches currently in -mm which might be from avorontsov@xxxxxxxxxxxxx are
spi_mpc83xx-turn-off-spi-unit-while-switching-mode.patch
spi_mpc83xx-get-rid-of-magic-numbers.patch
spi_mpc83xx-support-for-lsb-first-transfers.patch
spi_mpc83xx-fix-qelsb-mode-shifts.patch
spi-loopback-mode-definition.patch
spidev-supports-more-communications-modes.patch
spidev_test-utility.patch
spi_mpc83xx-support-loopback-mode.patch
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