This is a note to let you know that I've just added the patch titled
cxgb4: Fix MC1 memory offset calculation
to the 4.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
cxgb4-fix-mc1-memory-offset-calculation.patch
and it can be found in the queue-4.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Fri May 8 13:16:04 CEST 2015
From: Hariprasad Shenai <hariprasad@xxxxxxxxxxx>
Date: Wed, 29 Apr 2015 17:19:05 +0530
Subject: cxgb4: Fix MC1 memory offset calculation
From: Hariprasad Shenai <hariprasad@xxxxxxxxxxx>
[ Upstream commit 7f0b8a56c978b0a3315ac84c6cbb065413afb8e9 ]
Commit 6559a7e8296002b4 ("cxgb4: Cleanup macros so they follow the same
style and look consistent") introduced a regression where reading MC1
memory in adapters where MC0 isn't present or MC0 size is not equal to MC1
size caused the adapter to crash due to incorrect computation of memoffset.
Fix is to read the size of MC0 instead of MC1 for offset calculation
Signed-off-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Hariprasad Shenai <hariprasad@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -492,7 +492,7 @@ int t4_memory_rw(struct adapter *adap, i
memoffset = (mtype * (edc_size * 1024 * 1024));
else {
mc_size = EXT_MEM0_SIZE_G(t4_read_reg(adap,
- MA_EXT_MEMORY1_BAR_A));
+ MA_EXT_MEMORY0_BAR_A));
memoffset = (MEM_MC0 * edc_size + mc_size) * 1024 * 1024;
}
Patches currently in stable-queue which might be from hariprasad@xxxxxxxxxxx are
queue-4.0/cxgb4-fix-mc1-memory-offset-calculation.patch
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