On 12/22/21 01:26, Lad Prabhakar wrote:
> Make use of platform_get_mem_or_io() to simplify the code.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> ---
> v1-->v2
> * No change
> ---
> drivers/ata/pata_platform.c | 18 ++++++------------
> 1 file changed, 6 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c
> index 028329428b75..cb3134bf88eb 100644
> --- a/drivers/ata/pata_platform.c
> +++ b/drivers/ata/pata_platform.c
> @@ -198,22 +198,16 @@ static int pata_platform_probe(struct platform_device *pdev)
> /*
> * Get the I/O base first
> */
> - io_res = platform_get_resource(pdev, IORESOURCE_IO, 0);
> - if (io_res == NULL) {
> - io_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> - if (unlikely(io_res == NULL))
> - return -EINVAL;
> - }
> + io_res = platform_get_mem_or_io(pdev, 0);
> + if (unlikely(!io_res))
This is not the hot path, so I do not think that the unlikely() is
necessary here.
> + return -EINVAL;
>
> /*
> * Then the CTL base
> */
> - ctl_res = platform_get_resource(pdev, IORESOURCE_IO, 1);
> - if (ctl_res == NULL) {
> - ctl_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> - if (unlikely(ctl_res == NULL))
> - return -EINVAL;
> - }
> + ctl_res = platform_get_mem_or_io(pdev, 1);
> + if (unlikely(!ctl_res))
Same comment here.
> + return -EINVAL;
>
> /*
> * And the IRQ
--
Damien Le Moal
Western Digital Research
