Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-14 17:53:39 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

cxgb4: Fix MC1 memory offset calculation

Browse Source 
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@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai 2015-04-29 17:19:05 +05:30 committed by David S. Miller
parent 12a8541d5c
commit 7f0b8a56c9
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
View File

@ -492,7 +492,7 @@ int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
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;
}