diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.28/920-03-spi-gpio-fix-miso-bit.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches-2.6.28/920-03-spi-gpio-fix-miso-bit.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.28/920-03-spi-gpio-fix-miso-bit.patch b/target/linux/generic-2.6/patches-2.6.28/920-03-spi-gpio-fix-miso-bit.patch new file mode 100644 index 0000000..f4dd67e --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.28/920-03-spi-gpio-fix-miso-bit.patch @@ -0,0 +1,22 @@ +SPI-GPIO bitbang: + +gpio_get_value() returns 0 or nonzero, but getmiso() expects 0 or 1. +Sanitize the value to a 0/1 boolean. + +--mb + + + +Index: linux-2.6.28.5/drivers/spi/spi_gpio.c +=================================================================== +--- linux-2.6.28.5.orig/drivers/spi/spi_gpio.c 2009-02-15 16:21:11.000000000 +0100 ++++ linux-2.6.28.5/drivers/spi/spi_gpio.c 2009-02-15 16:21:47.000000000 +0100 +@@ -114,7 +114,7 @@ static inline void setmosi(const struct + + static inline int getmiso(const struct spi_device *spi) + { +- return gpio_get_value(SPI_MISO_GPIO); ++ return !!gpio_get_value(SPI_MISO_GPIO); + } + + #undef pdata |