usb: musb: remove dummy driver musb_am335x.c

Since commit 0782e857 ("ARM: dts: Probe am335x musb with ti-sysc"),
the dummy driver musb_am335x.c is no longer needed, let's drop it.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Link: https://lore.kernel.org/r/20200115132547.364-26-b-liu@ti.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/musb/Kconfig

@@ -101,7 +101,6 @@ config USB_MUSB_AM35X
 
 config USB_MUSB_DSPS
 	tristate "TI DSPS platforms"
-	select USB_MUSB_AM335X_CHILD
 	depends on ARCH_OMAP2PLUS || COMPILE_TEST
 	depends on OF_IRQ
 
@@ -122,9 +121,6 @@ config USB_MUSB_MEDIATEK
 	depends on GENERIC_PHY
 	select USB_ROLE_SWITCH
 
-config USB_MUSB_AM335X_CHILD
-	tristate
-
 comment "MUSB DMA mode"
 
 config MUSB_PIO_ONLY

drivers/usb/musb/Makefile

@@ -26,9 +26,6 @@ obj-$(CONFIG_USB_MUSB_JZ4740)			+= jz4740.o
 obj-$(CONFIG_USB_MUSB_SUNXI)			+= sunxi.o
 obj-$(CONFIG_USB_MUSB_MEDIATEK)      		+= mediatek.o
 
-
-obj-$(CONFIG_USB_MUSB_AM335X_CHILD)		+= musb_am335x.o
-
 # the kconfig must guarantee that only one of the
 # possible I/O schemes will be enabled at a time ...
 # PIO only, or DMA (several potential schemes).

drivers/usb/musb/musb_am335x.c

-// SPDX-License-Identifier: GPL-2.0
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/module.h>
-#include <linux/of_platform.h>
-
-static int am335x_child_probe(struct platform_device *pdev)
-{
-	int ret;
-
-	pm_runtime_enable(&pdev->dev);
-
-	ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
-	if (ret)
-		goto err;
-
-	return 0;
-err:
-	pm_runtime_disable(&pdev->dev);
-	return ret;
-}
-
-static const struct of_device_id am335x_child_of_match[] = {
-	{ .compatible = "ti,am33xx-usb" },
-	{  },
-};
-MODULE_DEVICE_TABLE(of, am335x_child_of_match);
-
-static struct platform_driver am335x_child_driver = {
-	.probe		= am335x_child_probe,
-	.driver         = {
-		.name   = "am335x-usb-childs",
-		.of_match_table	= am335x_child_of_match,
-	},
-};
-
-static int __init am335x_child_init(void)
-{
-	return platform_driver_register(&am335x_child_driver);
-}
-module_init(am335x_child_init);
-
-MODULE_DESCRIPTION("AM33xx child devices");
-MODULE_LICENSE("GPL v2");