* [PATCH v1] gpiolib: Deduplicate find_first_zero_bit() call
@ 2020-06-30 9:21 Andy Shevchenko
2020-06-30 10:39 ` Bartosz Golaszewski
0 siblings, 1 reply; 2+ messages in thread
From: Andy Shevchenko @ 2020-06-30 9:21 UTC (permalink / raw)
To: Linus Walleij, Bartosz Golaszewski, linux-gpio; +Cc: Andy Shevchenko
bitmap_full() is a shortcut to find_first_zero_bit().
Thus, no need to call it twice.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/gpio/gpiolib.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index d4c4e4fb05b6..57e116c7bf9b 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2594,10 +2594,9 @@ int gpiod_get_array_value_complex(bool raw, bool can_sleep,
bitmap_xor(value_bitmap, value_bitmap,
array_info->invert_mask, array_size);
- if (bitmap_full(array_info->get_mask, array_size))
- return 0;
-
i = find_first_zero_bit(array_info->get_mask, array_size);
+ if (i == array_size)
+ return 0;
} else {
array_info = NULL;
}
@@ -2878,10 +2877,9 @@ int gpiod_set_array_value_complex(bool raw, bool can_sleep,
gpio_chip_set_multiple(array_info->chip, array_info->set_mask,
value_bitmap);
- if (bitmap_full(array_info->set_mask, array_size))
- return 0;
-
i = find_first_zero_bit(array_info->set_mask, array_size);
+ if (i == array_size)
+ return 0;
} else {
array_info = NULL;
}
--
2.27.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v1] gpiolib: Deduplicate find_first_zero_bit() call
2020-06-30 9:21 [PATCH v1] gpiolib: Deduplicate find_first_zero_bit() call Andy Shevchenko
@ 2020-06-30 10:39 ` Bartosz Golaszewski
0 siblings, 0 replies; 2+ messages in thread
From: Bartosz Golaszewski @ 2020-06-30 10:39 UTC (permalink / raw)
To: Andy Shevchenko; +Cc: Linus Walleij, linux-gpio
On Tue, Jun 30, 2020 at 11:22 AM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> bitmap_full() is a shortcut to find_first_zero_bit().
> Thus, no need to call it twice.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Applied, thanks!
Bartosz
^ permalink raw reply [flat|nested] 2+ messages in thread
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