[PATCH 3/3] OMAP4 PANDA register ethernet and wlan for automatic mac allocation
From: Andy Green <hidden>
Date: 2012-06-29 05:55:26
Also in:
linux-omap
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
From: Andy Green <redacted> This provides the board-specific device paths needed to get the panda boardfile working with the MAC address fixup api. On Pandaboard / ES, neither the onboard Ethernet or onboard WLAN module have onboard arrangements for MAC storage, without this series yielding randomized MAC per-boot and consequent DHCP problems, or in the case of wlan0 a MAC set by a firmware file in the rootfs which unless customized yields a MAC of 00:00:00:00:00:00. No official MAC is reserved for either network device even if you do take the approach to customize the firmware file. This gets sane, consistent MAC addresses on both devices which should stand a good probability of differing between PandaBoards. Signed-off-by: Andy Green <redacted> --- arch/arm/mach-omap2/board-omap4panda.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index 982fb26..07a17b0 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c@@ -486,6 +486,15 @@ static void omap4_panda_init_rev(void) } } +/* + * These device paths represent onboard network devices which have + * no MAC address set at boot, and need synthetic ones assigning + */ +static const char * const panda_fixup_mac_device_paths[] = { + "usb1/1-1/1-1.1/1-1.1:1.0", /* smsc USB <-> Ethernet bridge */ + "wl12xx", /* wlan0 module */ +}; + static void __init omap4_panda_init(void) { int package = OMAP_PACKAGE_CBS;
@@ -496,6 +505,10 @@ static void __init omap4_panda_init(void) omap4_mux_init(board_mux, NULL, package); omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ); + + omap_register_mac_device_fixup_paths(panda_fixup_mac_device_paths, + ARRAY_SIZE(panda_fixup_mac_device_paths)); + ret = wl12xx_set_platform_data(&omap_panda_wlan_data); if (ret) pr_err("error setting wl12xx data: %d\n", ret);