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From: Shawn Guo <shawnguo@kernel.org>
To: Max Krummenacher <max.oss.09@gmail.com>
Cc: Max Krummenacher <max.krummenacher@toradex.com>,
	Lucas Stach <l.stach@pengutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	Fabio Estevam <festevam@gmail.com>,
	Rouven Czerwinski <r.czerwinski@pengutronix.de>,
	linux-kernel@vger.kernel.org,
	Ahmad Fatoum <a.fatoum@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Russell King <linux@armlinux.org.uk>,
	NXP Linux Team <linux-imx@nxp.com>
Subject: Re: [PATCH 1/1] ARM: imx: build suspend-imx6.S with arm instruction set
Date: Mon, 18 Jan 2021 14:45:13 +0800	[thread overview]
Message-ID: <20210118064512.GK28365@dragon> (raw)
In-Reply-To: <20210111151704.26296-2-max.krummenacher@toradex.com>

On Mon, Jan 11, 2021 at 04:17:04PM +0100, Max Krummenacher wrote:
> When the kernel is configured to use the Thumb-2 instruction set
> "suspend-to-memory" fails to resume. Observed on a Colibri iMX6ULL
> (i.MX 6ULL) and Apalis iMX6 (i.MX 6Q).
> 
> It looks like the CPU resumes unconditionally in ARM instruction mode
> and then chokes on the presented Thumb-2 code it should execute.
> 
> Fix this by using the arm instruction set for all code in
> suspend-imx6.S.
> 
> Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>

Applied, thanks.

WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: Max Krummenacher <max.oss.09@gmail.com>
Cc: Rouven Czerwinski <r.czerwinski@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	linux-kernel@vger.kernel.org,
	Russell King <linux@armlinux.org.uk>,
	NXP Linux Team <linux-imx@nxp.com>,
	Max Krummenacher <max.krummenacher@toradex.com>,
	Ahmad Fatoum <a.fatoum@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	linux-arm-kernel@lists.infradead.org,
	Lucas Stach <l.stach@pengutronix.de>
Subject: Re: [PATCH 1/1] ARM: imx: build suspend-imx6.S with arm instruction set
Date: Mon, 18 Jan 2021 14:45:13 +0800	[thread overview]
Message-ID: <20210118064512.GK28365@dragon> (raw)
In-Reply-To: <20210111151704.26296-2-max.krummenacher@toradex.com>

On Mon, Jan 11, 2021 at 04:17:04PM +0100, Max Krummenacher wrote:
> When the kernel is configured to use the Thumb-2 instruction set
> "suspend-to-memory" fails to resume. Observed on a Colibri iMX6ULL
> (i.MX 6ULL) and Apalis iMX6 (i.MX 6Q).
> 
> It looks like the CPU resumes unconditionally in ARM instruction mode
> and then chokes on the presented Thumb-2 code it should execute.
> 
> Fix this by using the arm instruction set for all code in
> suspend-imx6.S.
> 
> Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>

Applied, thanks.

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  parent reply	other threads:[~2021-01-18  6:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-11 15:17 [PATCH 0/1] ARM: imx: build suspend-imx6.S with arm instruction set Max Krummenacher
2021-01-11 15:17 ` Max Krummenacher
2021-01-11 15:17 ` [PATCH 1/1] " Max Krummenacher
2021-01-11 15:17   ` Max Krummenacher
2021-01-11 17:38   ` Oleksandr Suvorov
2021-01-11 17:38     ` Oleksandr Suvorov
2021-01-11 17:49   ` Ahmad Fatoum
2021-01-11 17:49     ` Ahmad Fatoum
2021-01-11 18:30     ` Max Krummenacher
2021-01-11 18:30       ` Max Krummenacher
2021-01-18  6:45   ` Shawn Guo [this message]
2021-01-18  6:45     ` Shawn Guo

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