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[v1,3/5] gpio: xilinx: Switch to use new bitmap_scatter() helper

Message ID 20230926052007.3917389-4-andriy.shevchenko@linux.intel.com
State New
Headers show
Series bitmap: get rid of bitmap_remap() and bitmap_biremap() uses | expand

Commit Message

Andy Shevchenko Sept. 26, 2023, 5:20 a.m. UTC
bitmaps_scatter() produces a sparse bitmap based on the dense one
and a given mask. In this driver the given mask is hw_map, while
sw_map is of sequential bits. We may use the bitmap_scatter() helper
instead of bitmap_remap(), because it's optimized for our case.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 drivers/gpio/gpio-xilinx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index a16945e8319e..f103c30cc74f 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -208,8 +208,8 @@  static void xgpio_set_multiple(struct gpio_chip *gc, unsigned long *mask,
 	unsigned long flags;
 	struct xgpio_instance *chip = gpiochip_get_data(gc);
-	bitmap_remap(hw_mask, mask, chip->sw_map, chip->hw_map, 64);
-	bitmap_remap(hw_bits, bits, chip->sw_map, chip->hw_map, 64);
+	bitmap_scatter(hw_mask, mask, chip->hw_map, 64);
+	bitmap_scatter(hw_bits, bits, chip->hw_map, 64);
 	spin_lock_irqsave(&chip->gpio_lock, flags);