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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>
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@ -94,7 +94,7 @@ int imx_rdc_sema_unlock(int per_id)
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reg = readb(&imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]);
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reg = readb(&imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]);
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if ((reg & RDC_SEMA_GATE_GTFSM_MASK) != RDC_SEMA_PROC_ID)
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if ((reg & RDC_SEMA_GATE_GTFSM_MASK) != RDC_SEMA_PROC_ID)
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return 1; /*Not the semaphore owner */
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return -EACCES; /*Not the semaphore owner */
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writeb(0x0, &imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]);
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writeb(0x0, &imx_rdc_sema->gate[per_id % SEMA_GATES_NUM]);
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