Module Name: src
Committed By: jmcneill
Date: Sat Mar 2 11:15:55 UTC 2019
Modified Files:
src/sys/arch/arm/amlogic: meson_pinctrl.c
Log Message:
When acquiring a GPIO, disable any conflicting pinctrl function groups
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/arm/amlogic/meson_pinctrl.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/amlogic/meson_pinctrl.c
diff -u src/sys/arch/arm/amlogic/meson_pinctrl.c:1.3 src/sys/arch/arm/amlogic/meson_pinctrl.c:1.4
--- src/sys/arch/arm/amlogic/meson_pinctrl.c:1.3 Mon Feb 25 19:30:17 2019
+++ src/sys/arch/arm/amlogic/meson_pinctrl.c Sat Mar 2 11:15:55 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: meson_pinctrl.c,v 1.3 2019/02/25 19:30:17 jmcneill Exp $ */
+/* $NetBSD: meson_pinctrl.c,v 1.4 2019/03/02 11:15:55 jmcneill Exp $ */
/*-
* Copyright (c) 2019 Jared D. McNeill <jmcne...@invisible.ca>
@@ -29,7 +29,7 @@
#include "opt_soc.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: meson_pinctrl.c,v 1.3 2019/02/25 19:30:17 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: meson_pinctrl.c,v 1.4 2019/03/02 11:15:55 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -321,8 +321,10 @@ meson_pinctrl_gpio_acquire(device_t dev,
{
struct meson_pinctrl_softc * const sc = device_private(dev);
const struct meson_pinctrl_gpio *pin_def;
+ const struct meson_pinctrl_group *group;
struct meson_pinctrl_gpio_pin *gpin;
const u_int *gpio = data;
+ u_int n, bank;
if (len != 12)
return NULL;
@@ -334,6 +336,15 @@ meson_pinctrl_gpio_acquire(device_t dev,
if (pin_def == NULL)
return NULL;
+ /* Disable conflicting groups */
+ for (n = 0; n < sc->sc_conf->ngroups; n++) {
+ group = &sc->sc_conf->groups[n];
+ for (bank = 0; bank < group->nbank; bank++) {
+ if (group->bank[bank] == pin_def->id)
+ meson_pinctrl_set_group(sc, group, false);
+ }
+ }
+
mutex_enter(&sc->sc_lock);
meson_pinctrl_pin_dir(sc, pin_def, flags);
mutex_exit(&sc->sc_lock);
