MIPS: BCM47XX: Add new file for device specific workarounds
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: https://patchwork.linux-mips.org/patch/6627/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/bcm47xx/workarounds.c b/arch/mips/bcm47xx/workarounds.c
new file mode 100644
index 0000000..e81ce46
--- /dev/null
+++ b/arch/mips/bcm47xx/workarounds.c
@@ -0,0 +1,31 @@
+#include "bcm47xx_private.h"
+
+#include <linux/gpio.h>
+#include <bcm47xx_board.h>
+#include <bcm47xx.h>
+
+static void __init bcm47xx_workarounds_netgear_wnr3500l(void)
+{
+ const int usb_power = 12;
+ int err;
+
+ err = gpio_request_one(usb_power, GPIOF_OUT_INIT_HIGH, "usb_power");
+ if (err)
+ pr_err("Failed to request USB power gpio: %d\n", err);
+ else
+ gpio_free(usb_power);
+}
+
+void __init bcm47xx_workarounds(void)
+{
+ enum bcm47xx_board board = bcm47xx_board_get();
+
+ switch (board) {
+ case BCM47XX_BOARD_NETGEAR_WNR3500L:
+ bcm47xx_workarounds_netgear_wnr3500l();
+ break;
+ default:
+ /* No workaround(s) needed */
+ break;
+ }
+}