From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Nicolas Chauvet <kwizart-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Paul Walmsley <paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] [ARM][TEGRA] Fix AHB base address on tegra20, tegra30 and tegra114
Date: Thu, 13 Aug 2015 16:16:40 +0200 [thread overview]
Message-ID: <20150813141639.GA26559@ulmo> (raw)
In-Reply-To: <1439042292-19912-1-git-send-email-kwizart-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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On Sat, Aug 08, 2015 at 03:58:12PM +0200, Nicolas Chauvet wrote:
> Current base address is wrong by 0x04 bytes for AHB bus device as shown in dmesg:
> tegra-ahb 6000c004.ahb: incorrect AHB base address in DT data - enabling workaround
>
> To correct old dtbs, the commit ce7a10b0ff3db63 checks for the low bit
> of the base address and removes theses 0x04 bytes at runtime.
>
> This patch fix the original dts, so upstream version doesn't need
> the workaround of the base address.
>
> As both addresses are valid, this patch doesn't break compatibility
>
> Tested on tegra20-paz00 (aka ac100)
>
> Signed-off-by: Nicolas Chauvet <kwizart-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
> arch/arm/boot/dts/tegra114.dtsi | 4 ++--
> arch/arm/boot/dts/tegra20.dtsi | 4 ++--
> arch/arm/boot/dts/tegra30.dtsi | 4 ++--
> 3 files changed, 6 insertions(+), 6 deletions(-)
Applied, thanks.
Thierry
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From: thierry.reding@gmail.com (Thierry Reding)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] [ARM][TEGRA] Fix AHB base address on tegra20, tegra30 and tegra114
Date: Thu, 13 Aug 2015 16:16:40 +0200 [thread overview]
Message-ID: <20150813141639.GA26559@ulmo> (raw)
In-Reply-To: <1439042292-19912-1-git-send-email-kwizart@gmail.com>
On Sat, Aug 08, 2015 at 03:58:12PM +0200, Nicolas Chauvet wrote:
> Current base address is wrong by 0x04 bytes for AHB bus device as shown in dmesg:
> tegra-ahb 6000c004.ahb: incorrect AHB base address in DT data - enabling workaround
>
> To correct old dtbs, the commit ce7a10b0ff3db63 checks for the low bit
> of the base address and removes theses 0x04 bytes at runtime.
>
> This patch fix the original dts, so upstream version doesn't need
> the workaround of the base address.
>
> As both addresses are valid, this patch doesn't break compatibility
>
> Tested on tegra20-paz00 (aka ac100)
>
> Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
> ---
> arch/arm/boot/dts/tegra114.dtsi | 4 ++--
> arch/arm/boot/dts/tegra20.dtsi | 4 ++--
> arch/arm/boot/dts/tegra30.dtsi | 4 ++--
> 3 files changed, 6 insertions(+), 6 deletions(-)
Applied, thanks.
Thierry
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next prev parent reply other threads:[~2015-08-13 14:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-08 13:58 [PATCH] [ARM][TEGRA] Fix AHB base address on tegra20, tegra30 and tegra114 Nicolas Chauvet
2015-08-08 13:58 ` Nicolas Chauvet
[not found] ` <1439042292-19912-1-git-send-email-kwizart-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-08-12 15:01 ` Paul Walmsley
2015-08-12 15:01 ` Paul Walmsley
2015-08-13 14:16 ` Thierry Reding [this message]
2015-08-13 14:16 ` Thierry Reding
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