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From: Joerg Roedel <joro@8bytes.org>
To: Maxime Ripard <maxime@cerno.tech>
Cc: Chen-Yu Tsai <wens@csie.org>,
	iommu@lists.linux-foundation.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] iommu/sun50i: Change the readl timeout to the atomic variant
Date: Tue, 30 Jun 2020 12:05:36 +0200	[thread overview]
Message-ID: <20200630100536.GK28824@8bytes.org> (raw)
In-Reply-To: <20200628180844.79205-1-maxime@cerno.tech>

On Sun, Jun 28, 2020 at 08:08:43PM +0200, Maxime Ripard wrote:
> 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: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver")
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>

Applied both for v5.8, thanks.

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WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: Maxime Ripard <maxime@cerno.tech>
Cc: Chen-Yu Tsai <wens@csie.org>,
	iommu@lists.linux-foundation.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] iommu/sun50i: Change the readl timeout to the atomic variant
Date: Tue, 30 Jun 2020 12:05:36 +0200	[thread overview]
Message-ID: <20200630100536.GK28824@8bytes.org> (raw)
In-Reply-To: <20200628180844.79205-1-maxime@cerno.tech>

On Sun, Jun 28, 2020 at 08:08:43PM +0200, Maxime Ripard wrote:
> 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: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver")
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>

Applied both for v5.8, thanks.


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linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-06-30 10:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-28 18:08 [PATCH 1/2] iommu/sun50i: Change the readl timeout to the atomic variant Maxime Ripard
2020-06-28 18:08 ` Maxime Ripard
2020-06-28 18:08 ` [PATCH 2/2] iommu/sun50i: Remove unused variable Maxime Ripard
2020-06-28 18:08   ` Maxime Ripard
2020-06-30 10:05 ` Joerg Roedel [this message]
2020-06-30 10:05   ` [PATCH 1/2] iommu/sun50i: Change the readl timeout to the atomic variant Joerg Roedel

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