Re: [PATCH] fpga: zynq: Remove clk_get error message for probe defer

From: Michal Simek
Date: Fri Feb 21 2020 - 05:38:17 EST


On 12. 02. 20 15:17, Michal Simek wrote:
> From: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
>
> In probe, the driver checks for devm_clk_get return and print error
> message in the failing case. However for -EPROBE_DEFER this message is
> confusing so avoid it.
>
> The similar change was done also by commit 28910cee898c
> ("fpga: xilinx-pr-decoupler: Remove clk_get error message for probe defer")
>
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xxxxxxxxxx>
> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
> ---
>
> drivers/fpga/zynq-fpga.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c
> index ee7765049607..07fa8d9ec675 100644
> --- a/drivers/fpga/zynq-fpga.c
> +++ b/drivers/fpga/zynq-fpga.c
> @@ -583,7 +583,8 @@ static int zynq_fpga_probe(struct platform_device *pdev)
>
> priv->clk = devm_clk_get(dev, "ref_clk");
> if (IS_ERR(priv->clk)) {
> - dev_err(dev, "input clock not found\n");
> + if (PTR_ERR(priv->clk) != -EPROBE_DEFER)
> + dev_err(dev, "input clock not found\n");
> return PTR_ERR(priv->clk);
> }
>
>

Moritz: Any comment on this one?

Thanks,
Michal