Patch "thermal/drivers/imx8mm: Suppress log message on probe deferral" has been added to the 6.4-stable tree

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This is a note to let you know that I've just added the patch titled

    thermal/drivers/imx8mm: Suppress log message on probe deferral

to the 6.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     thermal-drivers-imx8mm-suppress-log-message-on-probe.patch
and it can be found in the queue-6.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit ab1add2b3d4970d3cd02cd119d8af9c5fdc43d18
Author: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
Date:   Sat Jul 8 13:26:46 2023 +0200

    thermal/drivers/imx8mm: Suppress log message on probe deferral
    
    [ Upstream commit 4afcb58ea47e66c025d2b0a5f091dce5aaf95b0f ]
    
    nvmem_cell_read_u32() may return -EPROBE_DEFER if NVMEM supplier has not
    yet been probed. Future reprobe may succeed, so printing:
    
      i.mx8mm_thermal 30260000.tmu: Failed to read OCOTP nvmem cell (-517).
    
    to the log is confusing. Fix this by using dev_err_probe. This also
    elevates the message from warning to error, which is more correct: The
    log message is only ever printed in probe error path and probe aborts
    afterwards, so it really warrants an error-level message.
    
    Fixes: 403291648823 ("thermal/drivers/imx: Add support for loading calibration data from OCOTP")
    Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
    Reviewed-by: Marek Vasut <marex@xxxxxxx>
    Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
    Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
    Link: https://lore.kernel.org/r/20230708112647.2897294-1-a.fatoum@xxxxxxxxxxxxxx
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/thermal/imx8mm_thermal.c b/drivers/thermal/imx8mm_thermal.c
index d8005e9ec992b..1f780c4a1c890 100644
--- a/drivers/thermal/imx8mm_thermal.c
+++ b/drivers/thermal/imx8mm_thermal.c
@@ -179,10 +179,8 @@ static int imx8mm_tmu_probe_set_calib_v1(struct platform_device *pdev,
 	int ret;
 
 	ret = nvmem_cell_read_u32(&pdev->dev, "calib", &ana0);
-	if (ret) {
-		dev_warn(dev, "Failed to read OCOTP nvmem cell (%d).\n", ret);
-		return ret;
-	}
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to read OCOTP nvmem cell\n");
 
 	writel(FIELD_PREP(TASR_BUF_VREF_MASK,
 			  FIELD_GET(ANA0_BUF_VREF_MASK, ana0)) |



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