AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

i2c: rcar: optimize cacheline to minimize HW race condition

Browse Source 
[ Upstream commit 25c2e0fb5fefb8d7847214cf114d94c7aad8e9ce ]

'flags' and 'io' are needed first, so they should be at the beginning of
the private struct.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wolfram Sang 2020-12-23 18:21:52 +01:00 committed by Greg Kroah-Hartman
parent 222a825f6b
commit 2b6105746b
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/i2c/busses/i2c-rcar.c
View File

@ -119,6 +119,7 @@ enum rcar_i2c_type {
};
struct rcar_i2c_priv {
u32 flags;
void __iomem *io;
struct i2c_adapter adap;
struct i2c_msg *msg;
@ -129,7 +130,6 @@ struct rcar_i2c_priv {
int pos;
u32 icccr;
u32 flags;
u8 recovery_icmcr; /* protected by adapter lock */
enum rcar_i2c_type devtype;
struct i2c_client *slave;