From: Srinivas Neeli srinivas.neeli@xilinx.com
[ Upstream commit 32c094a09d5829ad9b02cdf667569aefa8de0ea6 ]
Current implementation is not able to configure more than 32 pins due to incorrect data type. So type casting with unsigned long to avoid it.
Fixes: 02b3f84d9080 ("xilinx: Switch to use bitmap APIs") Signed-off-by: Srinivas Neeli srinivas.neeli@xilinx.com Signed-off-by: Bartosz Golaszewski brgl@bgdev.pl Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpio/gpio-xilinx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index a1b66338d077..db616ae560a3 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -99,7 +99,7 @@ static inline void xgpio_set_value32(unsigned long *map, int bit, u32 v) const unsigned long offset = (bit % BITS_PER_LONG) & BIT(5);
map[index] &= ~(0xFFFFFFFFul << offset); - map[index] |= v << offset; + map[index] |= (unsigned long)v << offset; }
static inline int xgpio_regoffset(struct xgpio_instance *chip, int ch)