From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: vinod.koul@intel.com, linux-kernel@vger.kernel.org,
spear-devel@list.st.com, linux-arm-kernel@lists.infradead.org,
devicetree-discuss@lists.ozlabs.org
Subject: Re: [PATCH V2 2/3] dmaengine: dw_dmac: Enhance device tree support
Date: Mon, 15 Oct 2012 10:35:04 +0300 [thread overview]
Message-ID: <1350286504.10584.176.camel@smile> (raw)
In-Reply-To: <CAKohpo=20mwje+9AVgs7b-_DshyRO2DZ=Nacjm7vFAhed=Wkqg@mail.gmail.com>
On Mon, 2012-10-15 at 08:59 +0530, Viresh Kumar wrote:
> On 12 October 2012 20:28, Andy Shevchenko
> <andriy.shevchenko@linux.intel.com> wrote:
> >> + if (last_dw) {
> >> + if ((last_bus_id == param) && (last_dw == dw))
> >> + return false;
> >> + }
> > Just came to my mind.
> > dw can't be NULL, can't it?
> > Then
> > if (last_dw) {
> > ...
> > }
> > is unneeded.
>
> Fixup for this:
>
> diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
> index d72c26f..764c159 100644
> --- a/drivers/dma/dw_dmac.c
> +++ b/drivers/dma/dw_dmac.c
> @@ -1196,11 +1196,8 @@ bool dw_dma_generic_filter(struct dma_chan
> *chan, void *param)
> * failure. If dw and param are same, i.e. trying on same dw with
> * different channel, return false.
> */
> - if (last_dw) {
> - if ((last_bus_id == param) && (last_dw == dw))
> - return false;
> - }
> -
> + if ((last_dw == dw) && (last_bus_id == param))
> + return false;
> /*
> * Return true:
> * - If dw_dma's platform data is not filled with slave info, then all
Good.
So, have my
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
for this patch.
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
WARNING: multiple messages have this Message-ID (diff)
From: andriy.shevchenko@linux.intel.com (Andy Shevchenko)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2 2/3] dmaengine: dw_dmac: Enhance device tree support
Date: Mon, 15 Oct 2012 10:35:04 +0300 [thread overview]
Message-ID: <1350286504.10584.176.camel@smile> (raw)
In-Reply-To: <CAKohpo=20mwje+9AVgs7b-_DshyRO2DZ=Nacjm7vFAhed=Wkqg@mail.gmail.com>
On Mon, 2012-10-15 at 08:59 +0530, Viresh Kumar wrote:
> On 12 October 2012 20:28, Andy Shevchenko
> <andriy.shevchenko@linux.intel.com> wrote:
> >> + if (last_dw) {
> >> + if ((last_bus_id == param) && (last_dw == dw))
> >> + return false;
> >> + }
> > Just came to my mind.
> > dw can't be NULL, can't it?
> > Then
> > if (last_dw) {
> > ...
> > }
> > is unneeded.
>
> Fixup for this:
>
> diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
> index d72c26f..764c159 100644
> --- a/drivers/dma/dw_dmac.c
> +++ b/drivers/dma/dw_dmac.c
> @@ -1196,11 +1196,8 @@ bool dw_dma_generic_filter(struct dma_chan
> *chan, void *param)
> * failure. If dw and param are same, i.e. trying on same dw with
> * different channel, return false.
> */
> - if (last_dw) {
> - if ((last_bus_id == param) && (last_dw == dw))
> - return false;
> - }
> -
> + if ((last_dw == dw) && (last_bus_id == param))
> + return false;
> /*
> * Return true:
> * - If dw_dma's platform data is not filled with slave info, then all
Good.
So, have my
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
for this patch.
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
next prev parent reply other threads:[~2012-10-15 7:35 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-12 14:31 [PATCH V2 1/3] dmaengine: dw_dmac: Update documentation style comments for dw_dma_platform_data Viresh Kumar
2012-10-12 14:31 ` Viresh Kumar
2012-10-12 14:31 ` [PATCH V2 2/3] dmaengine: dw_dmac: Enhance device tree support Viresh Kumar
2012-10-12 14:31 ` Viresh Kumar
2012-10-12 14:50 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-12 14:50 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-12 14:55 ` Viresh Kumar
2012-10-12 14:55 ` Viresh Kumar
2012-10-12 16:20 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-12 16:20 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-12 17:14 ` Viresh Kumar
2012-10-12 17:14 ` Viresh Kumar
2012-10-12 14:58 ` Andy Shevchenko
2012-10-12 14:58 ` Andy Shevchenko
2012-10-12 15:18 ` Viresh Kumar
2012-10-12 15:18 ` Viresh Kumar
2012-10-12 15:53 ` Andy Shevchenko
2012-10-12 15:53 ` Andy Shevchenko
2012-10-12 15:55 ` Viresh Kumar
2012-10-12 15:55 ` Viresh Kumar
2012-10-15 3:29 ` Viresh Kumar
2012-10-15 3:29 ` Viresh Kumar
2012-10-15 7:35 ` Andy Shevchenko [this message]
2012-10-15 7:35 ` Andy Shevchenko
2012-10-12 14:31 ` [PATCH V2 3/3] ARM: SPEAr13xx: Pass DW DMAC platform data from DT Viresh Kumar
2012-10-12 14:31 ` Viresh Kumar
2012-10-12 14:48 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-12 14:48 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-12 14:48 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-12 14:52 ` Viresh Kumar
2012-10-12 14:52 ` Viresh Kumar
2012-10-12 16:21 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-12 16:21 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-12 17:12 ` Viresh Kumar
2012-10-12 17:12 ` Viresh Kumar
2012-10-13 6:44 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-13 6:44 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-13 8:48 ` Viresh Kumar
2012-10-13 8:48 ` Viresh Kumar
2012-10-13 12:22 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-13 12:22 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-13 12:22 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-13 14:08 ` Viresh Kumar
2012-10-13 14:08 ` Viresh Kumar
2012-10-13 14:10 ` Viresh Kumar
2012-10-13 14:10 ` Viresh Kumar
2012-10-14 10:01 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-14 10:01 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-14 10:01 ` Jean-Christophe PLAGNIOL-VILLARD
2012-10-15 3:21 ` Viresh Kumar
2012-10-15 3:21 ` Viresh Kumar
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