MIPS: BCM63xx: Prevent second enet registration on BCM6338

This SoC has only one ethernet MAC, so prevent registration of a second one.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1482/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/bcm63xx/dev-enet.c b/arch/mips/bcm63xx/dev-enet.c
index 9f544badd0b4d5dddc25701a690bb63b797cf8f8..39c23366c5c7ea4bcbe6c272fe0279aca4d82aba 100644 (file)
--- a/arch/mips/bcm63xx/dev-enet.c
+++ b/arch/mips/bcm63xx/dev-enet.c
@@ -104,6 +104,9 @@ int __init bcm63xx_enet_register(int unit,
        if (unit > 1)
                return -ENODEV;
 
+       if (unit == 1 && BCMCPU_IS_6338())
+               return -ENODEV;
+
        if (!shared_device_registered) {
                shared_res[0].start = bcm63xx_regset_address(RSET_ENETDMA);
                shared_res[0].end = shared_res[0].start;