linux-kernel - Re: [PATCH] ARM: at91: debug: use DEBUG_UART

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Date:	Fri, 10 Jun 2016 17:10:03 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	Russell King <linux@...linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: at91: debug: use DEBUG_UART_VIRT

On 07/06/2016 at 17:24:39 +0200, Alexandre Belloni wrote :
> AT91 still uses an offset (0x0100 0000) from the physical address to map
> the debug UART. This is unfortunate as for some platforms (sama5d3 and
> earlier), it ends up in the PCI zone and PCI is enabled in multi_v7.
> Switch to DEBUG_UART_VIRT to solve that.
> 
> Tested on sama5d3 and 9g20.
> 
> Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
> ---
>  arch/arm/Kconfig.debug        | 11 ++++++-----
>  arch/arm/include/debug/at91.S | 10 +---------
>  2 files changed, 7 insertions(+), 14 deletions(-)
> 
Applied now.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com