From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
linux-gpio@vger.kernel.org
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v1] gpiolib: Deduplicate find_first_zero_bit() call
Date: Tue, 30 Jun 2020 12:21:46 +0300 [thread overview]
Message-ID: <20200630092146.36376-1-andriy.shevchenko@linux.intel.com> (raw)
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
next reply other threads:[~2020-06-30 9:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-30 9:21 Andy Shevchenko [this message]
2020-06-30 10:39 ` [PATCH v1] gpiolib: Deduplicate find_first_zero_bit() call Bartosz Golaszewski
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