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openwrt-xburst/target/linux/generic-2.6/patches-2.6.28/920-03-spi-gpio-fix-miso-bit.patch
juhosg d4a87b2a61 [kernel] update to 2.6.28.6
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14565 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-02-19 16:11:07 +00:00

21 lines
416 B
Diff

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
--- a/drivers/spi/spi_gpio.c
+++ b/drivers/spi/spi_gpio.c
@@ -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