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powerpc/xive: remove unnecessary unmap_kernel_range 

iounmap will remove ptes.

Link: https://lkml.kernel.org/r/20210322021806.892164-4-npiggin@gmail.com
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Cédric Le Goater <clg@kaod.org>
Cc: Uladzislau Rezki <urezki@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nicholas Piggin 2021-04-29 22:58:58 -07:00 committed by Linus Torvalds
parent e82b9b3086
commit 94f88d7b90
1 changed files with 0 additions and 4 deletions
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4
arch/powerpc/sysdev/xive/common.c
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@ -959,16 +959,12 @@ EXPORT_SYMBOL_GPL(is_xive_irq);
void xive_cleanup_irq_data(struct xive_irq_data *xd)
{
if (xd->eoi_mmio) {
unmap_kernel_range((unsigned long)xd->eoi_mmio,
1u << xd->esb_shift);
iounmap(xd->eoi_mmio);
if (xd->eoi_mmio == xd->trig_mmio)
xd->trig_mmio = NULL;
xd->eoi_mmio = NULL;
}
if (xd->trig_mmio) {
unmap_kernel_range((unsigned long)xd->trig_mmio,
1u << xd->esb_shift);
iounmap(xd->trig_mmio);
xd->trig_mmio = NULL;
}