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| author | Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi> | 2018-08-19 22:11:50 +0300 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2018-08-25 16:27:17 +0200 |
| commit | 5dd745588edea19846b2bc3a2e6938f139374ea9 (patch) | |
| tree | 74ca76e225dd29f72b4f0fd2fdb8d54cc319f983 /target/linux/brcm47xx | |
| parent | 79c233daa4caee1a8af0c7a91e1d4aee96d410e9 (diff) | |
| download | upstream-5dd745588edea19846b2bc3a2e6938f139374ea9.tar.gz upstream-5dd745588edea19846b2bc3a2e6938f139374ea9.tar.bz2 upstream-5dd745588edea19846b2bc3a2e6938f139374ea9.zip | |
brcm47xx: Enable USB power on WNDR3400v3
WNDR3400v3 needs GPIO 21 pulled high to enable power to USB ports. Add a
kernel patch to do that.
Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
Diffstat (limited to 'target/linux/brcm47xx')
| -rw-r--r-- | target/linux/brcm47xx/patches-4.14/161-MIPS-BCM47XX-Enable-USB-power-on-Netgear-WNDR3400v3.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-4.14/161-MIPS-BCM47XX-Enable-USB-power-on-Netgear-WNDR3400v3.patch b/target/linux/brcm47xx/patches-4.14/161-MIPS-BCM47XX-Enable-USB-power-on-Netgear-WNDR3400v3.patch new file mode 100644 index 0000000000..4a1a4d532a --- /dev/null +++ b/target/linux/brcm47xx/patches-4.14/161-MIPS-BCM47XX-Enable-USB-power-on-Netgear-WNDR3400v3.patch @@ -0,0 +1,39 @@ +From 17cb62255ef8f6b6ac270024204a8fa65537b333 Mon Sep 17 00:00:00 2001 +From: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi> +Date: Sun, 19 Aug 2018 21:23:14 +0300 +Subject: [PATCH] MIPS: BCM47XX: Enable USB power on Netgear WNDR3400v3 + +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> +--- + arch/mips/bcm47xx/workarounds.c | 8 +++++--- + 1 file changed, 5 insertions(+), 3 deletions(-) + +--- a/arch/mips/bcm47xx/workarounds.c ++++ b/arch/mips/bcm47xx/workarounds.c +@@ -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 */ |