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powerpc/cell: Code cleanup for spufs_mfc_flush

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This part was commented from commit a33a7d7309
("[PATCH] spufs: implement mfc access for PPE-side DMA")
in about 18 years before.

If there are no plans to enable this part code in the future,
we can remove this dead code.

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Suggested-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240126021258.574916-1-chentao@kylinos.cn
This commit is contained in:
Kunwu Chan 2024-01-26 10:12:58 +08:00 committed by Michael Ellerman
parent f3560a2ba5
commit 66d8e646e8
1 changed files with 4 additions and 16 deletions
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20
arch/powerpc/platforms/cell/spufs/file.c
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@ -1704,23 +1704,11 @@ static int spufs_mfc_flush(struct file *file, fl_owner_t id)
ret = spu_acquire(ctx);
if (ret)
goto out;
#if 0
/* this currently hangs */
ret = spufs_wait(ctx->mfc_wq,
ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2));
if (ret)
goto out;
ret = spufs_wait(ctx->mfc_wq,
ctx->ops->read_mfc_tagstatus(ctx) == ctx->tagwait);
if (ret)
goto out;
#else
ret = 0;
#endif
return ret;
spu_release(ctx);
out:
return ret;
return 0;
}
static int spufs_mfc_fsync(struct file *file, loff_t start, loff_t end, int datasync)