From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Date: Mon, 12 Oct 2015 15:18:26 +0000 Subject: Re: [PATCH v3 3/6] dma: rcar-dma: check if complete DMA packet received but not processed Message-Id: <20151012150625.GC27370@localhost> List-Id: References: <1443559488-2416-4-git-send-email-hamzahfrq.sub@gmail.com> In-Reply-To: <1443559488-2416-4-git-send-email-hamzahfrq.sub@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org On Tue, Sep 29, 2015 at 10:44:45PM +0200, hamzahfrq.sub@gmail.com wrote: > From: Muhammad Hamza Farooq > > At high speeds, DMA interrupts come very fast. If there's an interrupt > pending before previous is handled, this method can help return actual which method ?? > status of the DMA transaction by reading the hardware flag -- ~Vinod