Re: [PATCH v3 02/10] ata: pata_platform: Drop use of unlikely() in pata_platform_probe

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On 12/24/21 4:12 PM, Lad Prabhakar wrote:

> pata_platform_probe() isn't a hotpath, which makes it's questionable to
> use unlikely(). Therefore let's simply drop it.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> ---
> v2-->v3
> * New patch
> ---
>  drivers/ata/pata_platform.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c
> index cb3134bf88eb..29902001e223 100644
> --- a/drivers/ata/pata_platform.c
> +++ b/drivers/ata/pata_platform.c
> @@ -199,14 +199,14 @@ static int pata_platform_probe(struct platform_device *pdev)
>  	 * Get the I/O base first
>  	 */
>  	io_res = platform_get_mem_or_io(pdev, 0);
> -	if (unlikely(!io_res))
> +	if (!io_res)
>  		return -EINVAL;
>  
>  	/*
>  	 * Then the CTL base
>  	 */
>  	ctl_res = platform_get_mem_or_io(pdev, 1);
> -	if (unlikely(!ctl_res))
> +	if (!ctl_res)
>  		return -EINVAL;

   I think you should combine this with patch #1.

[...]

MBR, Sergey



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