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authorPeng Fan2017-04-21 16:56:50 +0800
committerStefano Babic2017-05-18 11:23:31 +0200
commit354fa867103bb22a36371a90664a072c9aa71db7 (patch)
treea97e85124bc5752ae590905882f21440743d2ac4 /arch/arm/imx-common
parent80512547ba3706679a039ae823bb957af422580e (diff)
imx-common: rdc-sema: correct return value
When unlock, if caller is not the sema owner, return -EACCES, not 1. Signed-off-by: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm/imx-common')
-rw-r--r--arch/arm/imx-common/rdc-sema.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/imx-common/rdc-sema.c b/arch/arm/imx-common/rdc-sema.c
index 5df4e02b53b..1d97ac8e7fd 100644
--- a/arch/arm/imx-common/rdc-sema.c
+++ b/arch/arm/imx-common/rdc-sema.c
@@ -94,7 +94,7 @@ int imx_rdc_sema_unlock(int per_id)
reg = readb(&imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]);
if ((reg & RDC_SEMA_GATE_GTFSM_MASK) != RDC_SEMA_PROC_ID)
- return 1; /*Not the semaphore owner */
+ return -EACCES; /*Not the semaphore owner */
writeb(0x0, &imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]);