diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0014-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.9/950-0014-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0014-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch b/target/linux/brcm2708/patches-4.9/950-0014-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch deleted file mode 100644 index 0729614881..0000000000 --- a/target/linux/brcm2708/patches-4.9/950-0014-pinctrl-bcm2835-Return-pins-to-inputs-when-freed.patch +++ /dev/null @@ -1,41 +0,0 @@ -From e64023aab5addf920379e9f919d7c5cd4c8d0981 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 | 11 +++++++++++ - 1 file changed, 11 insertions(+) - ---- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c -+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c -@@ -838,6 +838,16 @@ static const struct pinctrl_ops bcm2835_ - .dt_free_map = bcm2835_pctl_dt_free_map, - }; - -+static int 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); -+ return 0; -+} -+ - static int bcm2835_pmx_get_functions_count(struct pinctrl_dev *pctldev) - { - return BCM2835_FSEL_COUNT; -@@ -897,6 +907,7 @@ 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, |