This reverts commit 6953c57ab1721ce57914fc5741d0ce0568756bb0. The latter introduced a generic implementation to resolve it by SPI core and is not needed anymore after the previous commit. Signed-off-by: Jay Fang <f.fangjian@xxxxxxxxxx> --- drivers/gpio/gpiolib-of.c | 51 ++--------------------------------------------- 1 file changed, 2 insertions(+), 49 deletions(-) diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index baf0153..b8337f8b 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -132,8 +132,7 @@ bool of_gpio_need_valid_mask(const struct gpio_chip *gc) static void of_gpio_flags_quirks(struct device_node *np, const char *propname, - enum of_gpio_flags *flags, - int index) + enum of_gpio_flags *flags) { /* * Some GPIO fixed regulator quirks. @@ -172,52 +171,6 @@ static void of_gpio_flags_quirks(struct device_node *np, of_node_full_name(np)); } - /* - * Legacy handling of SPI active high chip select. If we have a - * property named "cs-gpios" we need to inspect the child node - * to determine if the flags should have inverted semantics. - */ - if (IS_ENABLED(CONFIG_SPI_MASTER) && !strcmp(propname, "cs-gpios") && - of_property_read_bool(np, "cs-gpios")) { - struct device_node *child; - u32 cs; - int ret; - - for_each_child_of_node(np, child) { - ret = of_property_read_u32(child, "reg", &cs); - if (ret) - continue; - if (cs == index) { - /* - * SPI children have active low chip selects - * by default. This can be specified negatively - * by just omitting "spi-cs-high" in the - * device node, or actively by tagging on - * GPIO_ACTIVE_LOW as flag in the device - * tree. If the line is simultaneously - * tagged as active low in the device tree - * and has the "spi-cs-high" set, we get a - * conflict and the "spi-cs-high" flag will - * take precedence. - */ - 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(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(child)); - *flags |= OF_GPIO_ACTIVE_LOW; - } - of_node_put(child); - break; - } - } - } - /* Legacy handling of stmmac's active-low PHY reset line */ if (IS_ENABLED(CONFIG_STMMAC_ETH) && !strcmp(propname, "snps,reset-gpio") && @@ -263,7 +216,7 @@ static struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, goto out; if (flags) - of_gpio_flags_quirks(np, propname, flags, index); + of_gpio_flags_quirks(np, propname, flags); pr_debug("%s: parsed '%s' property of node '%pOF[%d]' - status (%d)\n", __func__, propname, np, index, -- 2.7.4