openwrtv3/target/linux/generic-2.6/patches-2.6.28/920-03-spi-gpio-fix-miso-bit.patch

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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
2009-02-19 16:11:07 +00:00
--- 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