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From: Richard Zhao <rizhao-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Cc: "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-serial-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org"
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH 6/9] serial: tegra: move to generic dma DT binding
Date: Tue, 30 Jul 2013 11:31:35 +0800	[thread overview]
Message-ID: <20130730033134.GM15855@rizhao-lap> (raw)
In-Reply-To: <51F2D063.5010505-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>

On Sat, Jul 27, 2013 at 03:39:15AM +0800, Stephen Warren wrote:
> On 07/23/2013 10:09 PM, Richard Zhao wrote:
> > - driver: remove use of nvidia,dma-request-selector
> > 	  use dma_request_slave_channel to request channel
> > - update binding doc
> 
> This patch needs to be amended so that the DMA channel is looked up
> during probe() rather than open(), to guarantee that deferred probe
> works. It's possible to hold off probe, but not possible AFAIK to hold
> off opening the port.
How about avoid return -EPROBE_DEFER at open() time? It can be in
another patch.

Thanks
Richard

  parent reply	other threads:[~2013-07-30  3:31 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-24  4:09 [PATCH 0/9] ARM: tegra: move to generic DMA DT binding Richard Zhao
2013-07-24  4:09 ` [PATCH 1/9] ARM: dts: add generic DMA DT binding for tegra apbdma Richard Zhao
2013-07-24  4:09 ` [PATCH 2/9] dma: tegra20-apbdma: move to generic device tree bindings Richard Zhao
2013-07-24  4:09 ` [PATCH 3/9] spi: tegra114: move to generic dma DT binding Richard Zhao
2013-07-26 19:34   ` Stephen Warren
2013-07-30  3:15     ` Richard Zhao
2013-07-30 16:44       ` Stephen Warren
2013-07-24  4:09 ` [PATCH 4/9] spi: tegra20-slink: " Richard Zhao
2013-07-24  4:09 ` [PATCH 5/9] spi: tegra20-sflash: " Richard Zhao
2013-07-24  4:09 ` [PATCH 6/9] serial: tegra: " Richard Zhao
2013-07-26 19:39   ` Stephen Warren
2013-07-26 19:41     ` Stephen Warren
     [not found]     ` <51F2D063.5010505-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-07-30  3:31       ` Richard Zhao [this message]
2013-07-30 16:46         ` Stephen Warren
2013-07-31  3:45           ` Richard Zhao
2013-07-31 21:32             ` Stephen Warren
     [not found]               ` <51F98275.6020906-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-08-01  3:30                 ` Richard Zhao
2013-08-01  3:45                   ` Stephen Warren
2013-07-24  4:10 ` [PATCH 7/9] ASoC: tegra: move to generic DMA " Richard Zhao
2013-07-24  6:58   ` Lars-Peter Clausen
2013-07-24  4:10 ` [PATCH 8/9] ARM: dts: tegra: remove legacy nvidia,dma-request-selector properties Richard Zhao
2013-07-24  4:10 ` [PATCH 9/9] dma: tegra20-apbdma: remove legacy nvidia,dma-request-selector support Richard Zhao
2013-07-26 19:25 ` [PATCH 0/9] ARM: tegra: move to generic DMA DT binding Stephen Warren

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