diff options
Diffstat (limited to 'target/linux/sunxi/patches-4.9/0037-pinctrl-sunxi-Fix-PIN_CONFIG_BIAS_PULL_-DOWN-UP-argu.patch')
| -rw-r--r-- | target/linux/sunxi/patches-4.9/0037-pinctrl-sunxi-Fix-PIN_CONFIG_BIAS_PULL_-DOWN-UP-argu.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/target/linux/sunxi/patches-4.9/0037-pinctrl-sunxi-Fix-PIN_CONFIG_BIAS_PULL_-DOWN-UP-argu.patch b/target/linux/sunxi/patches-4.9/0037-pinctrl-sunxi-Fix-PIN_CONFIG_BIAS_PULL_-DOWN-UP-argu.patch deleted file mode 100644 index 4921240f79..0000000000 --- a/target/linux/sunxi/patches-4.9/0037-pinctrl-sunxi-Fix-PIN_CONFIG_BIAS_PULL_-DOWN-UP-argu.patch +++ /dev/null @@ -1,40 +0,0 @@ -From 223dba00b4072efc590c7d648f230db1b44186b9 Mon Sep 17 00:00:00 2001 -From: Chen-Yu Tsai <wens@csie.org> -Date: Fri, 11 Nov 2016 17:50:34 +0800 -Subject: pinctrl: sunxi: Fix PIN_CONFIG_BIAS_PULL_{DOWN,UP} argument - -According to pinconf-generic.h, the argument for -PIN_CONFIG_BIAS_PULL_{DOWN,UP} is non-zero if the bias is enabled -with a pull up/down resistor, zero if it is directly connected -to VDD or ground. - -Since Allwinner hardware uses a weak pull resistor internally, -the argument should be 1. - -Signed-off-by: Chen-Yu Tsai <wens@csie.org> -Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> -Signed-off-by: Linus Walleij <linus.walleij@linaro.org> ---- - drivers/pinctrl/sunxi/pinctrl-sunxi.c | 6 +++++- - 1 file changed, 5 insertions(+), 1 deletion(-) - ---- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c -+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c -@@ -291,12 +291,16 @@ static unsigned long *sunxi_pctrl_build_ - - if (sunxi_pctrl_has_bias_prop(node)) { - int pull = sunxi_pctrl_parse_bias_prop(node); -+ int arg = 0; - if (pull < 0) { - ret = pull; - goto err_free; - } - -- pinconfig[idx++] = pinconf_to_config_packed(pull, 0); -+ if (pull != PIN_CONFIG_BIAS_DISABLE) -+ arg = 1; /* hardware uses weak pull resistors */ -+ -+ pinconfig[idx++] = pinconf_to_config_packed(pull, arg); - } - - |