diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0317-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0317-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0317-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch b/target/linux/brcm2708/patches-4.4/0317-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch deleted file mode 100644 index 97aa072ccb..0000000000 --- a/target/linux/brcm2708/patches-4.4/0317-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch +++ /dev/null @@ -1,40 +0,0 @@ -From 6e63fd304b56de44e2cd2b10450c95660af6d8c2 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Fri, 6 May 2016 12:32:47 +0100 -Subject: [PATCH] pinctrl-bcm2835: Return pins to inputs when freed - -When dynamically unloading overlays, it is important that freed pins are -restored to being inputs to prevent functions from being enabled in -multiple places at once. - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - drivers/pinctrl/bcm/pinctrl-bcm2835.c | 10 ++++++++++ - 1 file changed, 10 insertions(+) - ---- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c -+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c -@@ -831,6 +831,15 @@ static const struct pinctrl_ops bcm2835_ - .dt_free_map = bcm2835_pctl_dt_free_map, - }; - -+static void bcm2835_pmx_free(struct pinctrl_dev *pctldev, -+ unsigned offset) -+{ -+ struct bcm2835_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); -+ -+ /* disable by setting to GPIO_IN */ -+ bcm2835_pinctrl_fsel_set(pc, offset, BCM2835_FSEL_GPIO_IN); -+} -+ - static int bcm2835_pmx_get_functions_count(struct pinctrl_dev *pctldev) - { - return BCM2835_FSEL_COUNT; -@@ -890,6 +899,7 @@ static int bcm2835_pmx_gpio_set_directio - } - - static const struct pinmux_ops bcm2835_pmx_ops = { -+ .free = bcm2835_pmx_free, - .get_functions_count = bcm2835_pmx_get_functions_count, - .get_function_name = bcm2835_pmx_get_function_name, - .get_function_groups = bcm2835_pmx_get_function_groups, |