From a2bec0784465d3e30eadc20b49c779fa77d42dad Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Fri, 21 Mar 2014 10:08:08 +0100 Subject: [PATCH] MIPS: BCM47XX: Add new file for device specific workarounds MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Cc: linux-mips@linux-mips.org Cc: Hauke Mehrtens Patchwork: https://patchwork.linux-mips.org/patch/6627/ Signed-off-by: Ralf Baechle --- arch/mips/bcm47xx/Makefile | 2 +- arch/mips/bcm47xx/bcm47xx_private.h | 3 +++ arch/mips/bcm47xx/setup.c | 1 + arch/mips/bcm47xx/workarounds.c | 31 +++++++++++++++++++++++++++++ 4 files changed, 36 insertions(+), 1 deletion(-) create mode 100644 arch/mips/bcm47xx/workarounds.c diff --git a/arch/mips/bcm47xx/Makefile b/arch/mips/bcm47xx/Makefile index 4688b6a6211b..d58c51b5e501 100644 --- a/arch/mips/bcm47xx/Makefile +++ b/arch/mips/bcm47xx/Makefile @@ -4,4 +4,4 @@ # obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o -obj-y += board.o buttons.o leds.o +obj-y += board.o buttons.o leds.o workarounds.o diff --git a/arch/mips/bcm47xx/bcm47xx_private.h b/arch/mips/bcm47xx/bcm47xx_private.h index 5c94acebf76a..0194c3b9a729 100644 --- a/arch/mips/bcm47xx/bcm47xx_private.h +++ b/arch/mips/bcm47xx/bcm47xx_private.h @@ -9,4 +9,7 @@ int __init bcm47xx_buttons_register(void); /* leds.c */ void __init bcm47xx_leds_register(void); +/* workarounds.c */ +void __init bcm47xx_workarounds(void); + #endif diff --git a/arch/mips/bcm47xx/setup.c b/arch/mips/bcm47xx/setup.c index b847d0373443..63a4b0e915dc 100644 --- a/arch/mips/bcm47xx/setup.c +++ b/arch/mips/bcm47xx/setup.c @@ -282,6 +282,7 @@ static int __init bcm47xx_register_bus_complete(void) } bcm47xx_buttons_register(); bcm47xx_leds_register(); + bcm47xx_workarounds(); fixed_phy_add(PHY_POLL, 0, &bcm47xx_fixed_phy_status); return 0; diff --git a/arch/mips/bcm47xx/workarounds.c b/arch/mips/bcm47xx/workarounds.c new file mode 100644 index 000000000000..e81ce4623070 --- /dev/null +++ b/arch/mips/bcm47xx/workarounds.c @@ -0,0 +1,31 @@ +#include "bcm47xx_private.h" + +#include +#include +#include + +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; + } +}