From: Felipe Balbi <balbi@ti.com>
To: "Shilimkar, Santosh" <santosh.shilimkar@ti.com>
Cc: balbi@ti.com, alan@linux.intel.com,
Tony Lindgren <tony@atomide.com>, Kevin Hilman <khilman@ti.com>,
Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
Linux ARM Kernel Mailing List
<linux-arm-kernel@lists.infradead.org>,
linux-serial@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Shubhrajyoti Datta <shubhrajyoti@ti.com>
Subject: Re: [RFC/PATCH 05/13] serial: omap: drop DMA support
Date: Tue, 21 Aug 2012 13:34:39 +0300 [thread overview]
Message-ID: <20120821103438.GQ10347@arwen.pp.htv.fi> (raw)
In-Reply-To: <CAMQu2gyGVhB63rn+G6B3nFLki5ib40C_2o2Bh1mBd8sw8wT_Ng@mail.gmail.com>
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On Tue, Aug 21, 2012 at 04:05:22PM +0530, Shilimkar, Santosh wrote:
> On Tue, Aug 21, 2012 at 3:50 PM, Felipe Balbi <balbi@ti.com> wrote:
> > On Tue, Aug 21, 2012 at 03:14:19PM +0530, Shilimkar, Santosh wrote:
> >> On Tue, Aug 21, 2012 at 2:45 PM, Felipe Balbi <balbi@ti.com> wrote:
> >> > The current support is known to be broken and
> >> > a later patch will come re-adding it using
> >> > dma engine API.
> >> >
> >> > Signed-off-by: Felipe Balbi <balbi@ti.com>
> >> > ---
> >> Thanks Felipe !!
> >
> > no problem.
> >
> >> One less driver now towards OMAP DMA
> >> engine conversion.
> >
> > indeed :-) I'll take a closer look into rx timeout IRQ, but it looks
> > like we can use it to kick dma only for "big" transfers... need to play
> > with it for a while first, though.
> >
> Yep. The RX path with DMA is bit of difficult part to manage for
> UART.
>
> >> FWIW,
> >> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
> >
> > is this Ack for this patch only or the entire series ??
> >
> Two more patches to review and then I will do it for
> full series on top of the cover-letter :-)
cool, thanks
--
balbi
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next prev parent reply other threads:[~2012-08-21 10:38 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-21 9:15 [RFC/PATCH 00/13] OMAP UART patches Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 01/13] serial: omap: define and use to_uart_omap_port() Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 02/13] serial: omap: always return IRQ_HANDLED Felipe Balbi
2012-08-21 11:50 ` Alan Cox
2012-08-21 11:54 ` Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 03/13] serial: omap: define helpers for pdata function pointers Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 04/13] serial: omap: don't access the platform_device Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 05/13] serial: omap: drop DMA support Felipe Balbi
2012-08-21 9:44 ` Shilimkar, Santosh
2012-08-21 10:20 ` Felipe Balbi
2012-08-21 10:35 ` Shilimkar, Santosh
2012-08-21 10:34 ` Felipe Balbi [this message]
2012-08-21 9:15 ` [RFC/PATCH 06/13] serial: add OMAP-specific defines Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 07/13] serial: omap: simplify IRQ handling Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 08/13] serial: omap: refactor receive_chars() into rdi/rlsi handlers Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 09/13] serial: omap: move THRE check to transmit_chars() Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 10/13] serial: omap: stick to put_autosuspend Felipe Balbi
2012-08-21 10:42 ` Shilimkar, Santosh
2012-08-21 10:57 ` Felipe Balbi
2012-08-21 11:05 ` Shilimkar, Santosh
2012-08-21 11:02 ` Felipe Balbi
2012-08-21 11:09 ` Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 11/13] serial: omap: set dev->drvdata before enabling pm_runtime Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 12/13] serial: omap: drop unnecessary check from remove Felipe Balbi
2012-08-21 9:15 ` [RFC/PATCH 13/13] serial: omap: make sure to suspend device before remove Felipe Balbi
2012-08-21 10:43 ` [RFC/PATCH 00/13] OMAP UART patches Shilimkar, Santosh
2012-08-21 12:15 ` [PATCH v2 00/13] OMAP Serial patches Felipe Balbi
2012-08-21 12:15 ` [PATCH v2 01/13] serial: omap: define and use to_uart_omap_port() Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 02/13] serial: omap: define helpers for pdata function pointers Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 03/13] serial: omap: don't access the platform_device Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 04/13] serial: omap: drop DMA support Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 05/13] serial: add OMAP-specific defines Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 06/13] serial: omap: simplify IRQ handling Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 07/13] serial: omap: refactor receive_chars() into rdi/rlsi handlers Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 08/13] serial: omap: move THRE check to transmit_chars() Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 09/13] serial: omap: stick to put_autosuspend Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 10/13] serial: omap: set dev->drvdata before enabling pm_runtime Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 11/13] serial: omap: drop unnecessary check from remove Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 12/13] serial: omap: make sure to suspend device before remove Felipe Balbi
2012-08-21 12:16 ` [PATCH v2 13/13] serial: omap: don't save IRQ flags on hardirq Felipe Balbi
2012-08-21 13:01 ` [PATCH v2 00/13] OMAP Serial patches Felipe Balbi
2012-08-21 15:07 ` Felipe Balbi
2012-08-23 6:26 ` Felipe Balbi
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