diff options
| author | Richard Zhu <Richard.Zhu@freescale.com> | 2014-11-18 10:20:03 +0800 |
|---|---|---|
| committer | Nitin Garg <nitin.garg@freescale.com> | 2015-01-15 21:18:41 -0600 |
| commit | 2bc3d9e85e543c939061f6a58cece762998d16c1 (patch) | |
| tree | 8c22f262d0432a0bb5be3b0ac1b6666d9fe4cd1b /drivers/char | |
| parent | e392e691ca4ba11cd45b153268ac7f4b8dfa6087 (diff) | |
MLK-9870 mcc: sema4: mutex lock should be initiazled
mutex lock should be initialized, otherwise
there maybe kernel BUG warning.
"BUG: spinlock bad magic on CPU#0, swapper/0/1"
Signed-off-by: Richard Zhu <Richard.Zhu@freescale.com>
(cherry picked from commit 5db690b478afea00ca226f200ddf892b691674dd)
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/imx_mcc/imx_sema4.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/imx_mcc/imx_sema4.c b/drivers/char/imx_mcc/imx_sema4.c index a32ec2dbdcb9..24bb6d74ca82 100644 --- a/drivers/char/imx_mcc/imx_sema4.c +++ b/drivers/char/imx_mcc/imx_sema4.c @@ -342,6 +342,7 @@ static int imx_sema4_probe(struct platform_device *pdev) imx6_sema4->dev = &pdev->dev; imx6_sema4->cpine_val = 0; + spin_lock_init(&imx6_sema4->lock); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (IS_ERR(res)) { |