From: Mathias Nyman <mathias.nyman@nokia.com>
Date: Mon, 25 Oct 2010 14:35:24 +0000 (+0000)
Subject: omap: dma: Add read-back to DMA interrupt handler to avoid spuriousinterrupts
X-Git-Tag: v2.6.37-rc2~2^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e860e6da96f5a320a752da232e03d7bf885710b7;p=pandora-kernel.git

omap: dma: Add read-back to DMA interrupt handler to avoid spuriousinterrupts

Flush the writes to IRQSTATUS_L0 register in the DMA interrupt handler by reading the register
directly after write. This prevents the spurious DMA interrupts noted when using VDD_OPP 1

Signed-off-by: Mathias Nyman <mathias.nyman@nokia.com>
Acked-by: Santosh Shilimkar <Santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

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