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powerpc/ps3: Use cpu_relax() in ps3_create_spu()

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Use cpu_relax() to wait for the execution status SPE_EX_STATE_EXECUTED.
Drop the comments while at it.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260720231153.116827-2-thorsten.blum@linux.dev
This commit is contained in:
Thorsten Blum
2026-07-21 01:11:53 +02:00
committed by Madhavan Srinivasan
parent b6cfbfd6b2
commit 6050e3196d
1 changed files with 4 additions and 6 deletions
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10
arch/powerpc/platforms/ps3/spu.c
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@@ -13,6 +13,7 @@
#include <linux/export.h>
#include <linux/io.h>
#include <linux/mm.h>
#include <linux/processor.h>
#include <asm/spu.h>
#include <asm/spu_priv1.h>
@@ -363,12 +364,9 @@ static int __init ps3_create_spu(struct spu *spu, void *data)
if (result)
goto fail_enable;
/* Make sure the spu is in SPE_EX_STATE_EXECUTED. */
/* need something better here!!! */
while (in_be64(&spu_pdata(spu)->shadow->spe_execution_status)
!= SPE_EX_STATE_EXECUTED)
(void)0;
while (in_be64(&spu_pdata(spu)->shadow->spe_execution_status) !=
SPE_EX_STATE_EXECUTED)
cpu_relax();
return result;