]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/pwm/pwm-renesas-tpu.c
Merge tag 'pci-v3.16-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git...
[karo-tx-linux.git] / drivers / pwm / pwm-renesas-tpu.c
index aff6ba9b49e7b4b3bac9d566af39f01c6136b6bb..3b71b42e89d505cf5120f87d173f7e78f05e6550 100644 (file)
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/of.h>
-#include <linux/platform_data/pwm-renesas-tpu.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/pwm.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 
+#define TPU_CHANNEL_MAX                4
+
 #define TPU_TSTR               0x00    /* Timer start register (shared) */
 
 #define TPU_TCRn               0x00    /* Timer control register */
@@ -87,7 +88,6 @@ struct tpu_pwm_device {
 
 struct tpu_device {
        struct platform_device *pdev;
-       enum pwm_polarity polarities[TPU_CHANNEL_MAX];
        struct pwm_chip chip;
        spinlock_t lock;
 
@@ -229,7 +229,7 @@ static int tpu_pwm_request(struct pwm_chip *chip, struct pwm_device *_pwm)
 
        pwm->tpu = tpu;
        pwm->channel = _pwm->hwpwm;
-       pwm->polarity = tpu->polarities[pwm->channel];
+       pwm->polarity = PWM_POLARITY_NORMAL;
        pwm->prescaler = 0;
        pwm->period = 0;
        pwm->duty = 0;
@@ -388,16 +388,6 @@ static const struct pwm_ops tpu_pwm_ops = {
  * 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)
 {
        struct tpu_device *tpu;
@@ -405,17 +395,12 @@ static int tpu_probe(struct platform_device *pdev)
        int ret;
 
        tpu = devm_kzalloc(&pdev->dev, sizeof(*tpu), GFP_KERNEL);
-       if (tpu == NULL) {
-               dev_err(&pdev->dev, "failed to allocate driver data\n");
+       if (tpu == NULL)
                return -ENOMEM;
-       }
 
        spin_lock_init(&tpu->lock);
        tpu->pdev = pdev;
 
-       /* Initialize device configuration from platform data. */
-       tpu_parse_pdata(tpu);
-
        /* Map memory, get clock and pin control. */
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        tpu->base = devm_ioremap_resource(&pdev->dev, res);