Re: [PATCH V2] serial: tegra: Only print FIFO error message when an error occurs

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On Wed, Jun 30, 2021 at 01:56:43PM +0100, Jon Hunter wrote:
> The Tegra serial driver always prints an error message when enabling the
> FIFO for devices that have support for checking the FIFO enable status.
> Fix this by displaying the error message, only when an error occurs.
> 
> Finally, update the error message to make it clear that enabling the
> FIFO failed and display the error code.
[...]
> @@ -1045,9 +1045,11 @@ static int tegra_uart_hw_init(struct tegra_uart_port *tup)
>  
>  	if (tup->cdata->fifo_mode_enable_status) {
>  		ret = tegra_uart_wait_fifo_mode_enabled(tup);
> -		dev_err(tup->uport.dev, "FIFO mode not enabled\n");
> -		if (ret < 0)
> +		if (ret < 0) {
> +			dev_err(tup->uport.dev,
> +				"Failed to enable FIFO mode: %d\n", ret);

Could you change this to use %pe and ERR_PTR(ret)?

Best Regards
Michał Mirosław



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