94 lines
2.8 KiB
Diff
94 lines
2.8 KiB
Diff
|
From: Josh Boyer <jwboyer@fedoraproject.org>
|
||
|
|
Date: Wed, 8 Oct 2014 19:10:10 -0400
|
||
|
|
Subject: [PATCH] Revert "pinctrl: qcom: use restart_notifier mechanism for
|
||
|
|
ps_hold"
|
||
|
|
|
||
|
|
This reverts commit cf1fc187628913070c3e418ce0e205732435aa2f.
|
||
|
|
---
|
||
|
|
drivers/pinctrl/qcom/pinctrl-msm.c | 31 +++++++++++++------------------
|
||
|
|
1 file changed, 13 insertions(+), 18 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
|
||
|
|
index d30dddd21323..d5ed1272b928 100644
|
||
|
|
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
|
||
|
|
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
|
||
|
|
@@ -27,7 +27,8 @@
|
||
|
|
#include <linux/gpio.h>
|
||
|
|
#include <linux/interrupt.h>
|
||
|
|
#include <linux/spinlock.h>
|
||
|
|
-#include <linux/reboot.h>
|
||
|
|
+
|
||
|
|
+#include <asm/system_misc.h>
|
||
|
|
|
||
|
|
#include "../core.h"
|
||
|
|
#include "../pinconf.h"
|
||
|
|
@@ -42,7 +43,6 @@
|
||
|
|
* @dev: device handle.
|
||
|
|
* @pctrl: pinctrl handle.
|
||
|
|
* @chip: gpiochip handle.
|
||
|
|
- * @restart_nb: restart notifier block.
|
||
|
|
* @irq: parent irq for the TLMM irq_chip.
|
||
|
|
* @lock: Spinlock to protect register resources as well
|
||
|
|
* as msm_pinctrl data structures.
|
||
|
|
@@ -56,7 +56,6 @@ struct msm_pinctrl {
|
||
|
|
struct device *dev;
|
||
|
|
struct pinctrl_dev *pctrl;
|
||
|
|
struct gpio_chip chip;
|
||
|
|
- struct notifier_block restart_nb;
|
||
|
|
int irq;
|
||
|
|
|
||
|
|
spinlock_t lock;
|
||
|
|
@@ -853,14 +852,13 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl)
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
-static int msm_ps_hold_restart(struct notifier_block *nb, unsigned long action,
|
||
|
|
- void *data)
|
||
|
|
-{
|
||
|
|
- struct msm_pinctrl *pctrl = container_of(nb, struct msm_pinctrl, restart_nb);
|
||
|
|
+#ifdef CONFIG_ARM
|
||
|
|
+static void __iomem *msm_ps_hold;
|
||
|
|
|
||
|
|
- writel(0, pctrl->regs + PS_HOLD_OFFSET);
|
||
|
|
- mdelay(1000);
|
||
|
|
- return NOTIFY_DONE;
|
||
|
|
+static void msm_reset(enum reboot_mode reboot_mode, const char *cmd)
|
||
|
|
+{
|
||
|
|
+ writel(0, msm_ps_hold);
|
||
|
|
+ mdelay(10000);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void msm_pinctrl_setup_pm_reset(struct msm_pinctrl *pctrl)
|
||
|
|
@@ -870,14 +868,13 @@ static void msm_pinctrl_setup_pm_reset(struct msm_pinctrl *pctrl)
|
||
|
|
|
||
|
|
for (; i <= pctrl->soc->nfunctions; i++)
|
||
|
|
if (!strcmp(func[i].name, "ps_hold")) {
|
||
|
|
- pctrl->restart_nb.notifier_call = msm_ps_hold_restart;
|
||
|
|
- pctrl->restart_nb.priority = 128;
|
||
|
|
- if (register_restart_handler(&pctrl->restart_nb))
|
||
|
|
- dev_err(pctrl->dev,
|
||
|
|
- "failed to setup restart handler.\n");
|
||
|
|
- break;
|
||
|
|
+ msm_ps_hold = pctrl->regs + PS_HOLD_OFFSET;
|
||
|
|
+ arm_pm_restart = msm_reset;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
+#else
|
||
|
|
+static void msm_pinctrl_setup_pm_reset(const struct msm_pinctrl *pctrl) {}
|
||
|
|
+#endif
|
||
|
|
|
||
|
|
int msm_pinctrl_probe(struct platform_device *pdev,
|
||
|
|
const struct msm_pinctrl_soc_data *soc_data)
|
||
|
|
@@ -946,8 +943,6 @@ int msm_pinctrl_remove(struct platform_device *pdev)
|
||
|
|
|
||
|
|
pinctrl_unregister(pctrl->pctrl);
|
||
|
|
|
||
|
|
- unregister_restart_handler(&pctrl->restart_nb);
|
||
|
|
-
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL(msm_pinctrl_remove);
|
||
|
|
--
|
||
|
|
1.9.3
|
||
|
|
|