Commit 32c094a0 authored by Srinivas Neeli's avatar Srinivas Neeli Committed by Bartosz Golaszewski
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gpio: gpio-xilinx: Fix integer overflow 



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: 02b3f84d ("xilinx: Switch to use bitmap APIs")
Signed-off-by: default avatarSrinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: default avatarBartosz Golaszewski <brgl@bgdev.pl>
parent f63731e1

drivers/gpio/gpio-xilinx.c

+1 −1
Original line number Diff line number Diff line
@@ -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)