pwm: atmel: Remove platform_device_id and use only dt bindings

Since commit 26202873bb51 ("avr32: remove support for AVR32
architecture") there is no more user of platform_device_id and we
should only use dt bindings

Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

2 files changed, 4 insertions, 33 deletions

diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 31dfc88ef362..08f35e2b167e 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -44,7 +44,7 @@ config PWM_AB8500
 
 config PWM_ATMEL
         tristate "Atmel PWM support"
-        depends on ARCH_AT91
+        depends on ARCH_AT91 && OF
         help
           Generic PWM framework driver for Atmel SoC.
 
diff --git a/drivers/pwm/pwm-atmel.c b/drivers/pwm/pwm-atmel.c
index 53bc7b9b3581..5b861da3e325 100644
--- a/drivers/pwm/pwm-atmel.c
+++ b/drivers/pwm/pwm-atmel.c
@@ -318,19 +318,6 @@ static const struct atmel_pwm_data mchp_sam9x60_pwm_data = {
         },
 };
 
-static const struct platform_device_id atmel_pwm_devtypes[] = {
-        {
-                .name = "at91sam9rl-pwm",
-                .driver_data = (kernel_ulong_t)&atmel_sam9rl_pwm_data,
-        }, {
-                .name = "sama5d3-pwm",
-                .driver_data = (kernel_ulong_t)&atmel_sama5_pwm_data,
-        }, {
-                /* sentinel */
-        },
-};
-MODULE_DEVICE_TABLE(platform, atmel_pwm_devtypes);
-
 static const struct of_device_id atmel_pwm_dt_ids[] = {
         {
                 .compatible = "atmel,at91sam9rl-pwm",
@@ -350,19 +337,6 @@ static const struct of_device_id atmel_pwm_dt_ids[] = {
 };
 MODULE_DEVICE_TABLE(of, atmel_pwm_dt_ids);
 
-static inline const struct atmel_pwm_data *
-atmel_pwm_get_driver_data(struct platform_device *pdev)
-{
-        const struct platform_device_id *id;
-
-        if (pdev->dev.of_node)
-                return of_device_get_match_data(&pdev->dev);
-
-        id = platform_get_device_id(pdev);
-
-        return (struct atmel_pwm_data *)id->driver_data;
-}
-
 static int atmel_pwm_probe(struct platform_device *pdev)
 {
         const struct atmel_pwm_data *data;
@@ -370,7 +344,7 @@ static int atmel_pwm_probe(struct platform_device *pdev)
         struct resource *res;
         int ret;
 
-        data = atmel_pwm_get_driver_data(pdev);
+        data = of_device_get_match_data(&pdev->dev);
         if (!data)
                 return -ENODEV;
 
@@ -396,10 +370,8 @@ static int atmel_pwm_probe(struct platform_device *pdev)
         atmel_pwm->chip.dev = &pdev->dev;
         atmel_pwm->chip.ops = &atmel_pwm_ops;
 
-        if (pdev->dev.of_node) {
-                atmel_pwm->chip.of_xlate = of_pwm_xlate_with_flags;
-                atmel_pwm->chip.of_pwm_n_cells = 3;
-        }
+        atmel_pwm->chip.of_xlate = of_pwm_xlate_with_flags;
+        atmel_pwm->chip.of_pwm_n_cells = 3;
 
         atmel_pwm->chip.base = -1;
         atmel_pwm->chip.npwm = 4;
@@ -437,7 +409,6 @@ static struct platform_driver atmel_pwm_driver = {
                 .name = "atmel-pwm",
                 .of_match_table = of_match_ptr(atmel_pwm_dt_ids),
         },
-        .id_table = atmel_pwm_devtypes,
         .probe = atmel_pwm_probe,
         .remove = atmel_pwm_remove,
 };