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| author | Felix Fietkau <nbd@openwrt.org> | 2015-04-13 17:32:12 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2015-04-13 17:32:12 +0000 |
| commit | 6bc743ef6ff69ff6dbd89f1d85a0d6432dd84a2d (patch) | |
| tree | 027cd7bfe8c89f7c3a5064411242f2d5d8c52a4f /target/linux/generic/patches-3.18/077-14-bgmac-reset-all-4-GMAC-cores-on-init.patch | |
| parent | 1f70f452ccb3701fb34f4fd0fb624dbaf2120304 (diff) | |
| download | upstream-6bc743ef6ff69ff6dbd89f1d85a0d6432dd84a2d.tar.gz upstream-6bc743ef6ff69ff6dbd89f1d85a0d6432dd84a2d.tar.bz2 upstream-6bc743ef6ff69ff6dbd89f1d85a0d6432dd84a2d.zip | |
kernel: add bgmac fixes for bcm53xx (fix ethernet bringup on a bcm4709 based device)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 45417
Diffstat (limited to 'target/linux/generic/patches-3.18/077-14-bgmac-reset-all-4-GMAC-cores-on-init.patch')
| -rw-r--r-- | target/linux/generic/patches-3.18/077-14-bgmac-reset-all-4-GMAC-cores-on-init.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/077-14-bgmac-reset-all-4-GMAC-cores-on-init.patch b/target/linux/generic/patches-3.18/077-14-bgmac-reset-all-4-GMAC-cores-on-init.patch new file mode 100644 index 0000000000..d1b63f155b --- /dev/null +++ b/target/linux/generic/patches-3.18/077-14-bgmac-reset-all-4-GMAC-cores-on-init.patch @@ -0,0 +1,28 @@ +From: Felix Fietkau <nbd@openwrt.org> +Date: Mon, 13 Apr 2015 15:56:26 +0200 +Subject: [PATCH] bgmac: reset all 4 GMAC cores on init + +On a BCM4709 based device, I found that GMAC cores may be enabled at +probe time, but only become usable after a full reset. +Disable cores before re-enabling them to ensure that they are properly +reset. + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +--- + +--- a/drivers/net/ethernet/broadcom/bgmac.c ++++ b/drivers/net/ethernet/broadcom/bgmac.c +@@ -1609,8 +1609,11 @@ static int bgmac_probe(struct bcma_devic + ns_core = bcma_find_core_unit(core->bus, + BCMA_CORE_MAC_GBIT, + ns_gmac); +- if (ns_core && !bcma_core_is_enabled(ns_core)) +- bcma_core_enable(ns_core, 0); ++ if (!ns_core) ++ continue; ++ ++ bcma_core_disable(ns_core, 0); ++ bcma_core_enable(ns_core, 0); + } + } + |