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ata: pata_platform: Make use of platform_get_mem_or_io()

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Make use of platform_get_mem_or_io() to simplify the code.

While at it, drop use of unlikely() from pata_platform_probe()
as it isn't a hotpath.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
This commit is contained in:
Lad Prabhakar 2022-01-17 02:01:34 +00:00 committed by Damien Le Moal
parent 26291c54e1
commit 8818a5342c
1 changed files with 6 additions and 12 deletions
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18
drivers/ata/pata_platform.c
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@ -200,22 +200,16 @@ 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 (!io_res)
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 (!ctl_res)
return -EINVAL;
/*
* And the IRQ