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From: Greg Kroah-Hartman <greg@kroah.com>
To: Timur Tabi <timur@codeaurora.org>
Cc: peter@hurleysoftware.com, andre.przywara@arm.com,
	Linus Walleij <linus.walleij@linaro.org>,
	Andrew.Jackson@arm.com, linux-serial@vger.kernel.org,
	jslaby@suse.com, rmk+kernel@arm.linux.org.uk, jun.nie@linaro.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] tty: amba-pl011: add support for 32-bit register access for earlycon
Date: Sat, 12 Dec 2015 22:06:43 -0800	[thread overview]
Message-ID: <20151213060643.GA30667@kroah.com> (raw)
In-Reply-To: <1446855503-25881-1-git-send-email-timur@codeaurora.org>

On Fri, Nov 06, 2015 at 06:18:23PM -0600, Timur Tabi wrote:
> Add support the "mmio32" earlycon option for the pl011 device.  If
> specified in the earlycon parameter, all reads/writes to pl011 registers
> during early console will use 32-bit accessors.  Normally the function
> uses 8-bit writes.
> 
> Normal console uses the "access_32b" field of the vendor data structure
> to determine whether the registers needs 32-bit accessors.  Early console
> is used before the vendor data is available, so we need a different
> mechanism to choose the accessor.
> 
> Example:
> 
> 	earlycon=pl011,mmio32,0x3ced1000
> 
> Signed-off-by: Timur Tabi <timur@codeaurora.org>
> ---
> 
> This patch applies on top of Russell's 12-part amba-pl011.c patchset.

Which I didn't apply, so can you resend this after he resends his?

thanks,

greg k-h

WARNING: multiple messages have this Message-ID (diff)
From: greg@kroah.com (Greg Kroah-Hartman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] tty: amba-pl011: add support for 32-bit register access for earlycon
Date: Sat, 12 Dec 2015 22:06:43 -0800	[thread overview]
Message-ID: <20151213060643.GA30667@kroah.com> (raw)
In-Reply-To: <1446855503-25881-1-git-send-email-timur@codeaurora.org>

On Fri, Nov 06, 2015 at 06:18:23PM -0600, Timur Tabi wrote:
> Add support the "mmio32" earlycon option for the pl011 device.  If
> specified in the earlycon parameter, all reads/writes to pl011 registers
> during early console will use 32-bit accessors.  Normally the function
> uses 8-bit writes.
> 
> Normal console uses the "access_32b" field of the vendor data structure
> to determine whether the registers needs 32-bit accessors.  Early console
> is used before the vendor data is available, so we need a different
> mechanism to choose the accessor.
> 
> Example:
> 
> 	earlycon=pl011,mmio32,0x3ced1000
> 
> Signed-off-by: Timur Tabi <timur@codeaurora.org>
> ---
> 
> This patch applies on top of Russell's 12-part amba-pl011.c patchset.

Which I didn't apply, so can you resend this after he resends his?

thanks,

greg k-h

  reply	other threads:[~2015-12-13  6:06 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-07  0:18 [PATCH] tty: amba-pl011: add support for 32-bit register access for earlycon Timur Tabi
2015-11-07  0:18 ` Timur Tabi
2015-12-13  6:06 ` Greg Kroah-Hartman [this message]
2015-12-13  6:06   ` Greg Kroah-Hartman
2015-12-13 15:34   ` Timur Tabi
2015-12-13 15:34     ` Timur Tabi
2015-12-17 15:55   ` Timur Tabi
2015-12-17 15:55     ` Timur Tabi
2015-12-17 16:27     ` Greg Kroah-Hartman
2015-12-17 16:27       ` Greg Kroah-Hartman
2015-12-17 16:47       ` Timur Tabi
2015-12-17 16:47         ` Timur Tabi
2015-12-17 17:06         ` Peter Hurley
2015-12-17 17:06           ` Peter Hurley

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