iommu/sun50i: Change the readl timeout to the atomic variant

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The flush_all_tlb call back can be called from an atomic context, so using
readl_poll_timeout that embeds a udelay doesn't work.

Fixes: 4100b8c229 ("iommu: Add Allwinner H6 IOMMU driver")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200628180844.79205-1-maxime@cerno.tech
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Maxime Ripard 2020-06-28 20:08:43 +02:00 • committed by Joerg Roedel

parent 9ebcfadb06

commit bc8784f348

1 changed files with 3 additions and 3 deletions

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drivers/iommu/sun50i-iommu.c

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