usb: gadget: at91_udc: Remove non-DT handling code

Since non-DT board support has been removed from the at91 architecture we
can safely remove non-DT handling code.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

2 files changed, 3 insertions, 14 deletions

diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig
index b8e213eb36cc..366e551aeff0 100644
--- a/drivers/usb/gadget/udc/Kconfig
+++ b/drivers/usb/gadget/udc/Kconfig
@@ -32,6 +32,7 @@ menu "USB Peripheral Controller"
 config USB_AT91
         tristate "Atmel AT91 USB Device Port"
         depends on ARCH_AT91
+        depends on OF || COMPILE_TEST
         help
            Many Atmel AT91 processors (such as the AT91RM2000) have a
            full speed USB Device Port with support for five configurable
diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c
index d33f2994b7c4..be7e16037ac4 100644
--- a/drivers/usb/gadget/udc/at91_udc.c
+++ b/drivers/usb/gadget/udc/at91_udc.c
@@ -1710,12 +1710,6 @@ static int at91udc_probe(struct platform_device *pdev)
         int             retval;
         struct resource *res;
 
-        if (!dev_get_platdata(dev) && !pdev->dev.of_node) {
-                /* small (so we copy it) but critical! */
-                DBG("missing platform_data\n");
-                return -ENODEV;
-        }
-
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         if (!res)
                 return -ENXIO;
@@ -1728,11 +1722,7 @@ static int at91udc_probe(struct platform_device *pdev)
         /* init software state */
         udc = &controller;
         udc->gadget.dev.parent = dev;
-        if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node)
-                at91udc_of_init(udc, pdev->dev.of_node);
-        else
-                memcpy(&udc->board, dev_get_platdata(dev),
-                       sizeof(struct at91_udc_data));
+        at91udc_of_init(udc, pdev->dev.of_node);
         udc->pdev = pdev;
         udc->enabled = 0;
         spin_lock_init(&udc->lock);
@@ -1968,14 +1958,12 @@ static int at91udc_resume(struct platform_device *pdev)
 #define at91udc_resume  NULL
 #endif
 
-#if defined(CONFIG_OF)
 static const struct of_device_id at91_udc_dt_ids[] = {
         { .compatible = "atmel,at91rm9200-udc" },
         { /* sentinel */ }
 };
 
 MODULE_DEVICE_TABLE(of, at91_udc_dt_ids);
-#endif
 
 static struct platform_driver at91_udc_driver = {
         .remove         = __exit_p(at91udc_remove),
@@ -1984,7 +1972,7 @@ static struct platform_driver at91_udc_driver = {
         .resume         = at91udc_resume,
         .driver         = {
                 .name   = (char *) driver_name,
-                .of_match_table = of_match_ptr(at91_udc_dt_ids),
+                .of_match_table = at91_udc_dt_ids,
         },
 };