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49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
From feef7918667b84f9d5653c501542dd8d84ae32af Mon Sep 17 00:00:00 2001
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From: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
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Date: Sun, 19 Aug 2018 22:20:23 +0300
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Subject: [PATCH] MIPS: BCM47XX: Enable USB power on Netgear WNDR3400v3
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Setting GPIO 21 high seems to be required to enable power to USB ports
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on the WNDR3400v3. As there is already similar code for WNR3500L,
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make the existing USB power GPIO code generic and use that.
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Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
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Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
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Signed-off-by: Paul Burton <paul.burton@mips.com>
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Patchwork: https://patchwork.linux-mips.org/patch/20259/
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Cc: Rafał Miłecki <zajec5@gmail.com>
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Cc: linux-mips@linux-mips.org
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Cc: linux-kernel@vger.kernel.org
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---
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arch/mips/bcm47xx/workarounds.c | 8 +++++---
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1 file changed, 5 insertions(+), 3 deletions(-)
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--- a/arch/mips/bcm47xx/workarounds.c
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+++ b/arch/mips/bcm47xx/workarounds.c
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@@ -5,9 +5,8 @@
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#include <bcm47xx_board.h>
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#include <bcm47xx.h>
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-static void __init bcm47xx_workarounds_netgear_wnr3500l(void)
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+static void __init bcm47xx_workarounds_enable_usb_power(int usb_power)
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{
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- const int usb_power = 12;
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int err;
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err = gpio_request_one(usb_power, GPIOF_OUT_INIT_HIGH, "usb_power");
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@@ -23,7 +22,10 @@ void __init bcm47xx_workarounds(void)
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switch (board) {
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case BCM47XX_BOARD_NETGEAR_WNR3500L:
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- bcm47xx_workarounds_netgear_wnr3500l();
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+ bcm47xx_workarounds_enable_usb_power(12);
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+ break;
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+ case BCM47XX_BOARD_NETGEAR_WNDR3400_V3:
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+ bcm47xx_workarounds_enable_usb_power(21);
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break;
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default:
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/* No workaround(s) needed */
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