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author | David S. Miller <davem@davemloft.net> | 2013-10-23 16:28:39 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2013-10-23 16:49:34 -0400 |
commit | c3fa32b9764dc45dcf8a2231b1c110abc4a63e0b (patch) | |
tree | 6cf2896a77b65bec64284681e1c3851eb3263e09 /arch/arm/mach-shmobile/board-lager.c | |
parent | 34d92d5315b64a3e5292b7e9511c1bb617227fb6 (diff) | |
parent | 320437af954cbe66478f1f5e8b34cb5a8d072191 (diff) | |
download | blackbird-op-linux-c3fa32b9764dc45dcf8a2231b1c110abc4a63e0b.tar.gz blackbird-op-linux-c3fa32b9764dc45dcf8a2231b1c110abc4a63e0b.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/usb/qmi_wwan.c
include/net/dst.h
Trivial merge conflicts, both were overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/mach-shmobile/board-lager.c')
-rw-r--r-- | arch/arm/mach-shmobile/board-lager.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index ffb6f0ac7606..5930af8d434f 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -29,6 +29,7 @@ #include <linux/pinctrl/machine.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_device.h> +#include <linux/phy.h> #include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/sh_eth.h> @@ -155,6 +156,30 @@ static void __init lager_add_standard_devices(void) ðer_pdata, sizeof(ether_pdata)); } +/* + * Ether LEDs on the Lager board are named LINK and ACTIVE which corresponds + * to non-default 01 setting of the Micrel KSZ8041 PHY control register 1 bits + * 14-15. We have to set them back to 01 from the default 00 value each time + * the PHY is reset. It's also important because the PHY's LED0 signal is + * connected to SoC's ETH_LINK signal and in the PHY's default mode it will + * bounce on and off after each packet, which we apparently want to avoid. + */ +static int lager_ksz8041_fixup(struct phy_device *phydev) +{ + u16 phyctrl1 = phy_read(phydev, 0x1e); + + phyctrl1 &= ~0xc000; + phyctrl1 |= 0x4000; + return phy_write(phydev, 0x1e, phyctrl1); +} + +static void __init lager_init(void) +{ + lager_add_standard_devices(); + + phy_register_fixup_for_id("r8a7790-ether-ff:01", lager_ksz8041_fixup); +} + static const char *lager_boards_compat_dt[] __initdata = { "renesas,lager", NULL, @@ -163,6 +188,6 @@ static const char *lager_boards_compat_dt[] __initdata = { DT_MACHINE_START(LAGER_DT, "lager") .init_early = r8a7790_init_delay, .init_time = r8a7790_timer_init, - .init_machine = lager_add_standard_devices, + .init_machine = lager_init, .dt_compat = lager_boards_compat_dt, MACHINE_END |