On 02.01.2018 12:09, Keerthy wrote:
Adapt driver to utilize dmtimer pdata ops instead of pdata-quirks.
Signed-off-by: Keerthy <j-keerthy@xxxxxx>
Tested-by: Ladislav Michl <ladis@xxxxxxxxxxxxxx>
---
drivers/pwm/pwm-omap-dmtimer.c | 39 ++++++++++++++++++++++-----------------
1 file changed, 22 insertions(+), 17 deletions(-)
diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c
index 5ad42f3..3b27aff 100644
--- a/drivers/pwm/pwm-omap-dmtimer.c
+++ b/drivers/pwm/pwm-omap-dmtimer.c
@@ -23,6 +23,7 @@
#include <linux/mutex.h>
#include <linux/of.h>
#include <linux/of_platform.h>
+#include <linux/platform_data/dmtimer-omap.h>
#include <linux/platform_data/pwm_omap_dmtimer.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
@@ -37,7 +38,7 @@ struct pwm_omap_dmtimer_chip {
struct pwm_chip chip;
struct mutex mutex;
pwm_omap_dmtimer *dm_timer;
- struct pwm_omap_dmtimer_pdata *pdata;
+ struct omap_dm_timer_ops *pdata;
struct platform_device *dm_timer_pdev;
};
@@ -242,19 +243,33 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device_node *timer;
+ struct platform_device *timer_pdev;
struct pwm_omap_dmtimer_chip *omap;
- struct pwm_omap_dmtimer_pdata *pdata;
+ struct dmtimer_platform_data *timer_pdata;
+ struct omap_dm_timer_ops *pdata;
pwm_omap_dmtimer *dm_timer;
u32 v;
int status;
- pdata = dev_get_platdata(&pdev->dev);
- if (!pdata) {
- dev_err(&pdev->dev, "Missing dmtimer platform data\n");
+ timer = of_parse_phandle(np, "ti,timers", 0);
of_node_put() should be called when done with device_node pointer returned
by of_parse_phandle() (you may want to check the return ERROR cases below
regarding this statement):
+ if (!timer)
+ return -ENODEV;
+
+ timer_pdev = of_find_device_by_node(timer);
+ if (!timer_pdev) {
+ dev_err(&pdev->dev, "Unable to find Timer pdev\n");
here
+ return -ENODEV;
+ }
+
+ timer_pdata = dev_get_platdata(&timer_pdev->dev);
+ if (!timer_pdata) {
+ dev_err(&pdev->dev, "dmtimer pdata structure NULL\n");
here
return -EINVAL;
}
- if (!pdata->request_by_node ||
+ pdata = timer_pdata->timer_ops;
+
+ if (!pdata || !pdata->request_by_node ||
!pdata->free ||
!pdata->enable ||
!pdata->disable ||
@@ -270,10 +285,6 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
return -EINVAL;
}
- timer = of_parse_phandle(np, "ti,timers", 0);
- if (!timer)
- return -ENODEV;
-
if (!of_get_property(timer, "ti,timer-pwm", NULL)) {
here
dev_err(&pdev->dev, "Missing ti,timer-pwm capability\n");
return -ENODEV;
@@ -291,13 +302,7 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
omap->pdata = pdata;
omap->dm_timer = dm_timer;
-
- omap->dm_timer_pdev = of_find_device_by_node(timer);
- if (!omap->dm_timer_pdev) {
- dev_err(&pdev->dev, "Unable to find timer pdev\n");
- omap->pdata->free(dm_timer);
- return -EINVAL;
- }
+ omap->dm_timer_pdev = timer_pdev;
/*
* Ensure that the timer is stopped before we allow PWM core to call
And all the other return instructions from probe function not listed by git diff
