From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Laxman Dewangan <ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] ARM: tegra: dts: add aliases and DMA requestor for serial controller
Date: Wed, 19 Dec 2012 10:00:59 -0700 [thread overview]
Message-ID: <50D1F2CB.3090206@wwwdotorg.org> (raw)
In-Reply-To: <1355898671-3960-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
On 12/18/2012 11:31 PM, Laxman Dewangan wrote:
> Add APB DMA requestor and serial aliases for serial controller.
> There will be two serial driver i.e. 8250 based simple serial driver
> and APB DMA based serial driver for higher baudrate and performace.
>
> The simple serial driver get enabled with compatible nvidia,tegra20-uart
> and APB DMA based driver will get enabled with compatible
> nvidia,tegra20-hsuart.
This patch seems to do two things:
1) Add a comment describing how to select the basic or DMA-based driver.
I can see why this is useful.
2) Add aliases for the serial ports. I have no idea why this is useful.
WARNING: multiple messages have this Message-ID (diff)
From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: tegra: dts: add aliases and DMA requestor for serial controller
Date: Wed, 19 Dec 2012 10:00:59 -0700 [thread overview]
Message-ID: <50D1F2CB.3090206@wwwdotorg.org> (raw)
In-Reply-To: <1355898671-3960-1-git-send-email-ldewangan@nvidia.com>
On 12/18/2012 11:31 PM, Laxman Dewangan wrote:
> Add APB DMA requestor and serial aliases for serial controller.
> There will be two serial driver i.e. 8250 based simple serial driver
> and APB DMA based serial driver for higher baudrate and performace.
>
> The simple serial driver get enabled with compatible nvidia,tegra20-uart
> and APB DMA based driver will get enabled with compatible
> nvidia,tegra20-hsuart.
This patch seems to do two things:
1) Add a comment describing how to select the basic or DMA-based driver.
I can see why this is useful.
2) Add aliases for the serial ports. I have no idea why this is useful.
WARNING: multiple messages have this Message-ID (diff)
From: Stephen Warren <swarren@wwwdotorg.org>
To: Laxman Dewangan <ldewangan@nvidia.com>
Cc: linux@arm.linux.org.uk, linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: tegra: dts: add aliases and DMA requestor for serial controller
Date: Wed, 19 Dec 2012 10:00:59 -0700 [thread overview]
Message-ID: <50D1F2CB.3090206@wwwdotorg.org> (raw)
In-Reply-To: <1355898671-3960-1-git-send-email-ldewangan@nvidia.com>
On 12/18/2012 11:31 PM, Laxman Dewangan wrote:
> Add APB DMA requestor and serial aliases for serial controller.
> There will be two serial driver i.e. 8250 based simple serial driver
> and APB DMA based serial driver for higher baudrate and performace.
>
> The simple serial driver get enabled with compatible nvidia,tegra20-uart
> and APB DMA based driver will get enabled with compatible
> nvidia,tegra20-hsuart.
This patch seems to do two things:
1) Add a comment describing how to select the basic or DMA-based driver.
I can see why this is useful.
2) Add aliases for the serial ports. I have no idea why this is useful.
next prev parent reply other threads:[~2012-12-19 17:00 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-19 6:31 [PATCH] ARM: tegra: dts: add aliases and DMA requestor for serial controller Laxman Dewangan
2012-12-19 6:31 ` Laxman Dewangan
2012-12-19 6:31 ` Laxman Dewangan
[not found] ` <1355898671-3960-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-19 17:00 ` Stephen Warren [this message]
2012-12-19 17:00 ` Stephen Warren
2012-12-19 17:00 ` Stephen Warren
[not found] ` <50D1F2CB.3090206-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-12-20 6:15 ` Laxman Dewangan
2012-12-20 6:15 ` Laxman Dewangan
2012-12-20 6:15 ` Laxman Dewangan
[not found] ` <50D2AD02.6060101-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-20 17:03 ` Stephen Warren
2012-12-20 17:03 ` Stephen Warren
2012-12-20 17:03 ` Stephen Warren
[not found] ` <50D344E9.70305-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-12-21 4:18 ` Laxman Dewangan
2012-12-21 4:18 ` Laxman Dewangan
2012-12-21 4:18 ` Laxman Dewangan
[not found] ` <50D3E320.2090804-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-21 20:50 ` Stephen Warren
2012-12-21 20:50 ` Stephen Warren
2012-12-21 20:50 ` Stephen Warren
[not found] ` <50D4CBB0.7080603-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-12-22 20:15 ` Laxman Dewangan
2012-12-22 20:15 ` Laxman Dewangan
2012-12-22 20:15 ` Laxman Dewangan
[not found] ` <50D614D9.8020106-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-12-25 5:33 ` Stephen Warren
2012-12-25 5:33 ` Stephen Warren
2012-12-25 5:33 ` Stephen Warren
[not found] ` <50D93AB6.7040905-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-12-25 9:43 ` Laxman Dewangan
2012-12-25 9:43 ` Laxman Dewangan
2012-12-25 9:43 ` Laxman Dewangan
2012-12-22 20:15 ` Laxman Dewangan
2012-12-22 20:15 ` Laxman Dewangan
2012-12-22 20:15 ` Laxman Dewangan
2013-01-02 19:19 ` Stephen Warren
2013-01-02 19:19 ` Stephen Warren
2013-01-02 19:19 ` Stephen Warren
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