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| author | Jonas Gorski <jogo@openwrt.org> | 2015-12-02 22:23:22 +0000 |
|---|---|---|
| committer | Jonas Gorski <jogo@openwrt.org> | 2015-12-02 22:23:22 +0000 |
| commit | 621677154f39f2e0b698a558b8b795db84a8e014 (patch) | |
| tree | 3c4d60241f9ad7f52f12aa022af8b5a684b2ab08 /target/linux/generic/patches-4.4/072-14-bgmac-reset-all-4-GMAC-cores-on-init.patch | |
| parent | 4454a3fb6375cf1adf17f63a54cd7660bc40caa7 (diff) | |
| download | upstream-621677154f39f2e0b698a558b8b795db84a8e014.tar.gz upstream-621677154f39f2e0b698a558b8b795db84a8e014.tar.bz2 upstream-621677154f39f2e0b698a558b8b795db84a8e014.zip | |
kernel: add linux 4.4 support
Based on 4.4-rc3. Runtime tested on MIPS.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 47701
Diffstat (limited to 'target/linux/generic/patches-4.4/072-14-bgmac-reset-all-4-GMAC-cores-on-init.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/072-14-bgmac-reset-all-4-GMAC-cores-on-init.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/072-14-bgmac-reset-all-4-GMAC-cores-on-init.patch b/target/linux/generic/patches-4.4/072-14-bgmac-reset-all-4-GMAC-cores-on-init.patch new file mode 100644 index 0000000000..4d6981e229 --- /dev/null +++ b/target/linux/generic/patches-4.4/072-14-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 +@@ -1641,8 +1641,11 @@ 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); + } + } + |