diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-21 03:36:21 -0500 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2015-12-21 03:36:21 -0500 |
commit | 0529357f102b96f68bc199f858d1c3b07f4b674c (patch) | |
tree | eaa047952a768099e00a5245afa0d84799df6990 /drivers/gpio/gpiolib.c | |
parent | a9f1a3e4c1c7dc82711bc22dc52c7b0d6912ed56 (diff) | |
parent | 4ef7675344d687a0ef5b0d7c0cee12da005870c0 (diff) |
Merge tag 'v4.4-rc6' into devel
Linux 4.4-rc6
Diffstat (limited to 'drivers/gpio/gpiolib.c')
-rw-r--r-- | drivers/gpio/gpiolib.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index e63bebc9ae60..d72ac1fdcd98 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c | |||
@@ -250,7 +250,7 @@ static struct gpio_desc *gpio_name_to_desc(const char * const name) | |||
250 | for (i = 0; i != chip->ngpio; ++i) { | 250 | for (i = 0; i != chip->ngpio; ++i) { |
251 | struct gpio_desc *gpio = &chip->desc[i]; | 251 | struct gpio_desc *gpio = &chip->desc[i]; |
252 | 252 | ||
253 | if (!gpio->name) | 253 | if (!gpio->name || !name) |
254 | continue; | 254 | continue; |
255 | 255 | ||
256 | if (!strcmp(gpio->name, name)) { | 256 | if (!strcmp(gpio->name, name)) { |
@@ -1303,7 +1303,13 @@ static int _gpiod_get_raw_value(const struct gpio_desc *desc) | |||
1303 | chip = desc->chip; | 1303 | chip = desc->chip; |
1304 | offset = gpio_chip_hwgpio(desc); | 1304 | offset = gpio_chip_hwgpio(desc); |
1305 | value = chip->get ? chip->get(chip, offset) : -EIO; | 1305 | value = chip->get ? chip->get(chip, offset) : -EIO; |
1306 | value = value < 0 ? value : !!value; | 1306 | /* |
1307 | * FIXME: fix all drivers to clamp to [0,1] or return negative, | ||
1308 | * then change this to: | ||
1309 | * value = value < 0 ? value : !!value; | ||
1310 | * so we can properly propagate error codes. | ||
1311 | */ | ||
1312 | value = !!value; | ||
1307 | trace_gpio_value(desc_to_gpio(desc), 1, value); | 1313 | trace_gpio_value(desc_to_gpio(desc), 1, value); |
1308 | return value; | 1314 | return value; |
1309 | } | 1315 | } |