From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Thu, 20 Oct 2016 00:10:27 -0300
Subject: Linux-libre 4.8.2-gnu
---
drivers/pwm/pwm-tipwmss.c | 49 -----------------------------------------------
1 file changed, 49 deletions(-)
(limited to 'drivers/pwm/pwm-tipwmss.c')
diff --git a/drivers/pwm/pwm-tipwmss.c b/drivers/pwm/pwm-tipwmss.c
index 5cf65a15d..829f4991c 100644
--- a/drivers/pwm/pwm-tipwmss.c
+++ b/drivers/pwm/pwm-tipwmss.c
@@ -22,32 +22,6 @@
#include <linux/pm_runtime.h>
#include <linux/of_device.h>
-#include "pwm-tipwmss.h"
-
-#define PWMSS_CLKCONFIG 0x8 /* Clock gating reg */
-#define PWMSS_CLKSTATUS 0xc /* Clock gating status reg */
-
-struct pwmss_info {
- void __iomem *mmio_base;
- struct mutex pwmss_lock;
- u16 pwmss_clkconfig;
-};
-
-u16 pwmss_submodule_state_change(struct device *dev, int set)
-{
- struct pwmss_info *info = dev_get_drvdata(dev);
- u16 val;
-
- mutex_lock(&info->pwmss_lock);
- val = readw(info->mmio_base + PWMSS_CLKCONFIG);
- val |= set;
- writew(val , info->mmio_base + PWMSS_CLKCONFIG);
- mutex_unlock(&info->pwmss_lock);
-
- return readw(info->mmio_base + PWMSS_CLKSTATUS);
-}
-EXPORT_SYMBOL(pwmss_submodule_state_change);
-
static const struct of_device_id pwmss_of_match[] = {
{ .compatible = "ti,am33xx-pwmss" },
{},
@@ -57,24 +31,10 @@ MODULE_DEVICE_TABLE(of, pwmss_of_match);
static int pwmss_probe(struct platform_device *pdev)
{
int ret;
- struct resource *r;
- struct pwmss_info *info;
struct device_node *node = pdev->dev.of_node;
- info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
- if (!info)
- return -ENOMEM;
-
- mutex_init(&info->pwmss_lock);
-
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- info->mmio_base = devm_ioremap_resource(&pdev->dev, r);
- if (IS_ERR(info->mmio_base))
- return PTR_ERR(info->mmio_base);
-
pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
- platform_set_drvdata(pdev, info);
/* Populate all the child nodes here... */
ret = of_platform_populate(node, NULL, NULL, &pdev->dev);
@@ -86,30 +46,21 @@ static int pwmss_probe(struct platform_device *pdev)
static int pwmss_remove(struct platform_device *pdev)
{
- struct pwmss_info *info = platform_get_drvdata(pdev);
-
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- mutex_destroy(&info->pwmss_lock);
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int pwmss_suspend(struct device *dev)
{
- struct pwmss_info *info = dev_get_drvdata(dev);
-
- info->pwmss_clkconfig = readw(info->mmio_base + PWMSS_CLKCONFIG);
pm_runtime_put_sync(dev);
return 0;
}
static int pwmss_resume(struct device *dev)
{
- struct pwmss_info *info = dev_get_drvdata(dev);
-
pm_runtime_get_sync(dev);
- writew(info->pwmss_clkconfig, info->mmio_base + PWMSS_CLKCONFIG);
return 0;
}
#endif
--
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