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xilinx: zynqmp: Check return value from xilinx_pm_request()

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xilinx_pm_request() can failed that's why also check return value.

Fixes: 050f10f103 ("xilinx: zynqmp: remove chip_id function")
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek 2020-10-21 12:16:02 +02:00
parent f149b39ca3
commit d026aa1de3
1 changed files with 5 additions and 1 deletions
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6
board/xilinx/zynqmp/zynqmp.c
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@ -192,7 +192,11 @@ static char *zynqmp_get_silicon_idcode_name(void)
u32 ret_payload[PAYLOAD_ARG_CNT];
int ret;
xilinx_pm_request(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload);
ret = xilinx_pm_request(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload);
if (ret) {
debug("%s: Getting chipid failed\n", __func__);
return "unknown";
}
/*
* Firmware returns: