From: Vinod Koul <vkoul@kernel.org>
To: Michael Tretter <m.tretter@pengutronix.de>
Cc: dmaengine@vger.kernel.org, appana.durga.rao@xilinx.com,
kernel@pengutronix.de
Subject: dmaengine: zynqmp_dma: replace spin_lock_bh with spin_lock_irqsave
Date: Wed, 5 Dec 2018 14:38:06 +0530 [thread overview]
Message-ID: <20181205090806.GI2847@vkoul-mobl> (raw)
On 26-11-18, 16:14, Michael Tretter wrote:
> All device_prep_dma_* functions and device_issue_pending can be called
> from an interrupt context. As this includes hard IRQs, we must use
> spin_lock_irqsave() instead of spin_lock_bh() to access chan->lock.
Applied, thanks
next reply other threads:[~2018-12-05 9:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-05 9:08 Vinod Koul [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-11-26 15:14 dmaengine: zynqmp_dma: replace spin_lock_bh with spin_lock_irqsave Michael Tretter
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