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pwm: renesas-tpu: remove unused struct tpu_pwm_platform_data 

The struct is not used anymore and the polarity initialization will be
done using the PWM lookup table (or device tree).

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Alexandre Belloni 2014-05-19 22:42:34 +02:00 коммит произвёл Thierry Reding
Родитель b16001d745
Коммит dc67115713
2 изменённых файлов: 3 добавлений и 32 удалений
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19
drivers/pwm/pwm-renesas-tpu.c
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@ -21,13 +21,14 @@
#include <linux/module.h> #include <linux/module.h>
#include <linux/mutex.h> #include <linux/mutex.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/platform_data/pwm-renesas-tpu.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/pwm.h> #include <linux/pwm.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/spinlock.h> #include <linux/spinlock.h>
#define TPU_CHANNEL_MAX 4
#define TPU_TSTR 0x00 /* Timer start register (shared) */ #define TPU_TSTR 0x00 /* Timer start register (shared) */
#define TPU_TCRn 0x00 /* Timer control register */ #define TPU_TCRn 0x00 /* Timer control register */
@ -87,7 +88,6 @@ struct tpu_pwm_device {
struct tpu_device { struct tpu_device {
struct platform_device *pdev; struct platform_device *pdev;
enum pwm_polarity polarities[TPU_CHANNEL_MAX];
struct pwm_chip chip; struct pwm_chip chip;
spinlock_t lock; spinlock_t lock;
@ -229,7 +229,7 @@ static int tpu_pwm_request(struct pwm_chip *chip, struct pwm_device *_pwm)
pwm->tpu = tpu; pwm->tpu = tpu;
pwm->channel = _pwm->hwpwm; pwm->channel = _pwm->hwpwm;
pwm->polarity = tpu->polarities[pwm->channel]; pwm->polarity = PWM_POLARITY_NORMAL;
pwm->prescaler = 0; pwm->prescaler = 0;
pwm->period = 0; pwm->period = 0;
pwm->duty = 0; pwm->duty = 0;
@ -388,16 +388,6 @@ static const struct pwm_ops tpu_pwm_ops = {
* Probe and remove * Probe and remove
*/ */
static void tpu_parse_pdata(struct tpu_device *tpu)
{
struct tpu_pwm_platform_data *pdata = tpu->pdev->dev.platform_data;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(tpu->polarities); ++i)
tpu->polarities[i] = pdata ? pdata->channels[i].polarity
: PWM_POLARITY_NORMAL;
}
static int tpu_probe(struct platform_device *pdev) static int tpu_probe(struct platform_device *pdev)
{ {
struct tpu_device *tpu; struct tpu_device *tpu;
@ -411,9 +401,6 @@ static int tpu_probe(struct platform_device *pdev)
spin_lock_init(&tpu->lock); spin_lock_init(&tpu->lock);
tpu->pdev = pdev; tpu->pdev = pdev;
/* Initialize device configuration from platform data. */
tpu_parse_pdata(tpu);
/* Map memory, get clock and pin control. */ /* Map memory, get clock and pin control. */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
tpu->base = devm_ioremap_resource(&pdev->dev, res); tpu->base = devm_ioremap_resource(&pdev->dev, res);

16
include/linux/platform_data/pwm-renesas-tpu.h
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@ -1,16 +0,0 @@
#ifndef __PWM_RENESAS_TPU_H__
#define __PWM_RENESAS_TPU_H__
#include <linux/pwm.h>
#define TPU_CHANNEL_MAX 4
struct tpu_pwm_channel_data {
enum pwm_polarity polarity;
};
struct tpu_pwm_platform_data {
struct tpu_pwm_channel_data channels[TPU_CHANNEL_MAX];
};
#endif /* __PWM_RENESAS_TPU_H__ */