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ata: pata_ep93xx: avoid asm on non ARM

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The raw ARM asm delay loop prevents COMPILE_TEST builds on
non-ARM architectures. Guard it with CONFIG_ARM and provide a
cpu_relax() fallback for compilation on other architectures.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
This commit is contained in:
Rosen Penev 2026-05-29 17:36:25 -07:00 committed by Niklas Cassel
parent 042f5526cf
commit cde1e86eec
1 changed files with 5 additions and 0 deletions
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5
drivers/ata/pata_ep93xx.c
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@ -204,6 +204,7 @@ static void ep93xx_pata_enable_pio(void __iomem *base, int pio_mode)
*/
static void ep93xx_pata_delay(unsigned long count)
{
#ifdef CONFIG_ARM
__asm__ volatile (
"0:\n"
"mov r0, r0\n"
@ -212,6 +213,10 @@ static void ep93xx_pata_delay(unsigned long count)
: "=r" (count)
: "0" (count)
);
#else
while (count--)
cpu_relax();
#endif
}
static unsigned long ep93xx_pata_wait_for_iordy(void __iomem *base,