From: Sergei Shtylyov <sshtylyov@mvista.com>
To: Viresh Kumar <viresh.kumar@st.com>
Cc: dan.j.williams@intel.com, linus.walleij@stericsson.com,
amit.goel@st.com, linux-kernel@vger.kernel.org,
armando.visconti@st.com, shiraz.hashim@st.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 6/8 resend] dw_dmac: Mark all tx_descriptors with DMA_CRTL_ACK after xfer finish
Date: Mon, 28 Feb 2011 15:05:24 +0300 [thread overview]
Message-ID: <4D6B8F84.40905@ru.mvista.com> (raw)
In-Reply-To: <82027aa0c6446df3f7fb8e3c5fbdc28f60ea33b7.1298889267.git.viresh.kumar@st.com>
Hello.
On 28-02-2011 13:41, Viresh Kumar wrote:
> dwc_desc_get checks all descriptors for DMA_CTRL_ACK before allocating them for
> transfers. And descriptors are not marked with DMA_CRTL_ACK after transfer
> finishes. Thus descriptor once used is not usable again. This patch marks
> descriptors with DMA_CRTL_ACK after dma xfer finishes
> Signed-off-by: Viresh Kumar<viresh.kumar@st.com>
> ---
> drivers/dma/dw_dmac.c | 7 +++++++
> 1 files changed, 7 insertions(+), 0 deletions(-)
> diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
> index c40b89f..01f783d 100644
> --- a/drivers/dma/dw_dmac.c
> +++ b/drivers/dma/dw_dmac.c
> @@ -196,6 +196,7 @@ dwc_descriptor_complete(struct dw_dma_chan *dwc, struct dw_desc *desc)
> dma_async_tx_callback callback;
> void *param;
> struct dma_async_tx_descriptor *txd =&desc->txd;
> + struct dw_desc *child;
Shouldn't this varaible name be aligned with the above variable names?
WBR, Sergei
next prev parent reply other threads:[~2011-02-28 12:06 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-28 10:41 [PATCH 0/8 resend] dw_dmac: Extending support & minor fixes Viresh Kumar
2011-02-28 10:41 ` [PATCH 1/8 resend] dw_dmac: Remove compilation dependency from AVR32 Viresh Kumar
2011-03-02 16:46 ` Koul, Vinod
2011-03-03 3:42 ` viresh kumar
2011-03-03 4:19 ` Shiraz Hashim
2011-03-05 11:38 ` Russell King - ARM Linux
2011-03-07 4:15 ` viresh kumar
2011-02-28 10:41 ` [PATCH 2/8 resend] dw_dmac: Move single descriptor from dwc->queue to dwc->active_list in dwc_complete_all Viresh Kumar
2011-02-28 10:41 ` [PATCH 3/8 resend] dw_dmac: call dwc_scan_descriptor from dwc_issue_pending only if active list is empty Viresh Kumar
2011-02-28 10:46 ` Jamie Iles
2011-02-28 10:58 ` viresh kumar
2011-02-28 10:41 ` [PATCH 4/8 resend] dw_dmac: calling dwc_scan_descriptors from dwc_tx_status() after taking lock Viresh Kumar
2011-03-02 18:13 ` Koul, Vinod
2011-03-03 3:44 ` viresh kumar
2011-02-28 10:41 ` [PATCH 5/8 resend] dw_dmac: adding support for 64 bit access width for memcpy xfers Viresh Kumar
2011-02-28 10:41 ` [PATCH 6/8 resend] dw_dmac: Mark all tx_descriptors with DMA_CRTL_ACK after xfer finish Viresh Kumar
2011-02-28 12:05 ` Sergei Shtylyov [this message]
2011-02-28 15:04 ` viresh kumar
2011-03-02 18:34 ` Koul, Vinod
2011-03-03 3:45 ` viresh kumar
2011-02-28 10:41 ` [PATCH 7/8 resend] dw_dmac.c: Pass Channel Allocation Order from platform_data Viresh Kumar
2011-03-02 18:37 ` Koul, Vinod
2011-03-03 3:48 ` viresh kumar
2011-02-28 10:41 ` [PATCH 8/8 resend] dw_dmac.c: Pass Channel Priority " Viresh Kumar
2011-03-02 18:46 ` Koul, Vinod
2011-03-03 3:51 ` viresh kumar
2011-03-02 16:39 ` [PATCH 0/8 resend] dw_dmac: Extending support & minor fixes Koul, Vinod
2011-03-03 3:40 ` viresh kumar
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