The patch titled
Subject: gpio: pisosr: utilize the for_each_set_clump8 macro
has been added to the -mm tree. Its filename is
gpio-pisosr-utilize-the-for_each_set_clump8-macro.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/gpio-pisosr-utilize-the-for_each_set_clump8-macro.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/gpio-pisosr-utilize-the-for_each_set_clump8-macro.patch
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------------------------------------------------------
From: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
Subject: gpio: pisosr: utilize the for_each_set_clump8 macro
Replace verbose implementation in get_multiple callback with
for_each_set_clump8 macro to simplify code and improve clarity.
Link: http://lkml.kernel.org/r/8a39ee772247d4b7d752b32dbacc06c1cdcb60b5.1570641097.git.vilhelm.gray@xxxxxxxxx
Signed-off-by: William Breathitt Gray <vilhelm.gray@xxxxxxxxx>
Cc: Morten Hein Tiljeset <morten.tiljeset@xxxxxxxxx>
Cc: Sean Nyekjaer <sean.nyekjaer@xxxxxxxxx>
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Lukas Wunner <lukas@xxxxxxxxx>
Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Cc: Mathias Duckeck <m.duckeck@xxxxxxxxx>
Cc: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpio/gpio-pisosr.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/drivers/gpio/gpio-pisosr.c~gpio-pisosr-utilize-the-for_each_set_clump8-macro
+++ a/drivers/gpio/gpio-pisosr.c
@@ -96,16 +96,16 @@ static int pisosr_gpio_get_multiple(stru
unsigned long *mask, unsigned long *bits)
{
struct pisosr_gpio *gpio = gpiochip_get_data(chip);
- unsigned int nbytes = DIV_ROUND_UP(chip->ngpio, 8);
- unsigned int i, j;
+ unsigned long offset;
+ unsigned long gpio_mask;
+ unsigned long buffer_state;
pisosr_gpio_refresh(gpio);
bitmap_zero(bits, chip->ngpio);
- for (i = 0; i < nbytes; i++) {
- j = i / sizeof(unsigned long);
- bits[j] |= ((unsigned long) gpio->buffer[i])
- << (8 * (i % sizeof(unsigned long)));
+ for_each_set_clump8(offset, gpio_mask, mask, chip->ngpio) {
+ buffer_state = gpio->buffer[offset / 8] & gpio_mask;
+ bitmap_set_value8(bits, buffer_state, offset);
}
return 0;
_
Patches currently in -mm which might be from vilhelm.gray@xxxxxxxxx are
bitops-introduce-the-for_each_set_clump8-macro.patch
lib-test_bitmapc-add-for_each_set_clump8-test-cases.patch
gpio-104-dio-48e-utilize-for_each_set_clump8-macro.patch
gpio-104-idi-48-utilize-for_each_set_clump8-macro.patch
gpio-gpio-mm-utilize-for_each_set_clump8-macro.patch
gpio-ws16c48-utilize-for_each_set_clump8-macro.patch
gpio-pci-idio-16-utilize-for_each_set_clump8-macro.patch
gpio-pcie-idio-24-utilize-for_each_set_clump8-macro.patch
gpio-uniphier-utilize-for_each_set_clump8-macro.patch
gpio-74x164-utilize-the-for_each_set_clump8-macro.patch
thermal-intel-intel_soc_dts_iosf-utilize-for_each_set_clump8-macro.patch
gpio-pisosr-utilize-the-for_each_set_clump8-macro.patch
gpio-max3191x-utilize-the-for_each_set_clump8-macro.patch
gpio-pca953x-utilize-the-for_each_set_clump8-macro.patch
