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MIPS: BCM47XX: Enable USB power on Netgear WNDR3400v3

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Setting GPIO 21 high seems to be required to enable power to USB ports
on the WNDR3400v3. As there is already similar code for WNR3500L,
make the existing USB power GPIO code generic and use that.

Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/20259/
Cc: Rafał Miłecki <zajec5@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Tuomas Tynkkynen 2018-08-19 22:20:23 +03:00 committed by Paul Burton
parent 9475e90f02
commit feef791866
No known key found for this signature in database
GPG Key ID: 3EA79FACB57500DD
1 changed files with 5 additions and 3 deletions
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8
arch/mips/bcm47xx/workarounds.c
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@ -5,9 +5,8 @@
#include <bcm47xx_board.h>
#include <bcm47xx.h>
static void __init bcm47xx_workarounds_netgear_wnr3500l(void)
static void __init bcm47xx_workarounds_enable_usb_power(int usb_power)
{
const int usb_power = 12;
int err;
err = gpio_request_one(usb_power, GPIOF_OUT_INIT_HIGH, "usb_power");
@ -23,7 +22,10 @@ void __init bcm47xx_workarounds(void)
switch (board) {
case BCM47XX_BOARD_NETGEAR_WNR3500L:
bcm47xx_workarounds_netgear_wnr3500l();
bcm47xx_workarounds_enable_usb_power(12);
break;
case BCM47XX_BOARD_NETGEAR_WNDR3400_V3:
bcm47xx_workarounds_enable_usb_power(21);
break;
default:
/* No workaround(s) needed */