Re: [PATCH 1/1] thermal/drivers/imx_sc_thermal: return -EAGAIN when SCFW turn off resource
From: Daniel Lezcano <hidden>
Date: 2023-07-13 12:50:37
Also in:
imx, linux-pm, lkml
On 12/07/2023 23:05, Frank Li wrote:
quoted hunk ↗ jump to hunk
Avoid endless print following message when SCFW turns off resource. [ 1818.342337] thermal thermal_zone0: failed to read out thermal zone (-1) Signed-off-by: Frank Li <Frank.Li@nxp.com> --- drivers/thermal/imx_sc_thermal.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)diff --git a/drivers/thermal/imx_sc_thermal.c b/drivers/thermal/imx_sc_thermal.c index 8d6b4ef23746..0533d58f199f 100644 --- a/drivers/thermal/imx_sc_thermal.c +++ b/drivers/thermal/imx_sc_thermal.c@@ -58,7 +58,9 @@ static int imx_sc_thermal_get_temp(struct thermal_zone_device *tz, int *temp) hdr->size = 2; ret = imx_scu_call_rpc(thermal_ipc_handle, &msg, true); - if (ret) + if (ret == -EPERM) /* NO POWER */ + return -EAGAIN;
Isn't there a chain call somewhere when the resource is turned off, so the thermal zone can be disabled?
+ else if (ret) return ret; *temp = msg.data.resp.celsius * 1000 + msg.data.resp.tenths * 100;
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