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gpio: of: Check for "spi-cs-high" in child instead of parent node

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"spi-cs-high" is going to be specified in child node of an SPI
controller's representing attached SPI device, so change the code to
look for it there, instead of checking parent node.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andrey Smirnov 2019-03-25 23:32:09 -07:00 committed by Linus Walleij
parent e5545c94e4
commit 7ce40277bf
1 changed files with 3 additions and 3 deletions
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6
drivers/gpio/gpiolib-of.c
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@ -143,16 +143,16 @@ static void of_gpio_flags_quirks(struct device_node *np,
* conflict and the "spi-cs-high" flag will
* take precedence.
*/
if (of_property_read_bool(np, "spi-cs-high")) {
if (of_property_read_bool(child, "spi-cs-high")) {
if (*flags & OF_GPIO_ACTIVE_LOW) {
pr_warn("%s GPIO handle specifies active low - ignored\n",
of_node_full_name(np));
of_node_full_name(child));
*flags &= ~OF_GPIO_ACTIVE_LOW;
}
} else {
if (!(*flags & OF_GPIO_ACTIVE_LOW))
pr_info("%s enforce active low on chipselect handle\n",
of_node_full_name(np));
of_node_full_name(child));
*flags |= OF_GPIO_ACTIVE_LOW;
}
break;