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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 08/10] ARM: VFxxx: Add code to detect reset reason
Date: Mon, 16 Apr 2018 09:19:51 +0200	[thread overview]
Message-ID: <20180416071951.2is6xqlwlzju4wk2@pengutronix.de> (raw)
In-Reply-To: <20180414175024.9962-9-andrew.smirnov@gmail.com>

On Sat, Apr 14, 2018 at 10:50:22AM -0700, Andrey Smirnov wrote:
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> ---
>  arch/arm/mach-imx/imx.c                       | 78 +++++++++++++++++----------
>  arch/arm/mach-imx/include/mach/reset-reason.h | 11 ++++
>  2 files changed, 62 insertions(+), 27 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/imx.c b/arch/arm/mach-imx/imx.c
> index fb1160de9..e84713766 100644
> --- a/arch/arm/mach-imx/imx.c
> +++ b/arch/arm/mach-imx/imx.c
> @@ -158,6 +158,7 @@ void imx_set_reset_reason(void __iomem *srsr)
>  {
>  	enum reset_src_type type = RESET_UKWN;
>  	const u32 reg = readl(srsr);
> +	const bool is_vf610 = cpu_is_vf610();
>  
>  	/*
>  	 * SRSR register captures ALL reset event that occured since
> @@ -166,37 +167,60 @@ void imx_set_reset_reason(void __iomem *srsr)
>  	 */
>  	writel(reg, srsr);
>  
> -	switch (reg) {
> -	case IMX_SRC_SRSR_IPP_RESET: /* FALLTHROUGH */
> -	case IMX_SRC_SRSR_IPP_RESET | IMX_SRC_SRSR_WDOG1_RESET:
> -		type = RESET_POR;
> -		break;
> -	case IMX_SRC_SRSR_WDOG3_RESET: /* FALLTHROUGH */
> -	case IMX_SRC_SRSR_WDOG4_RESET: /* FALLTHROUGH */
> -	case IMX_SRC_SRSR_WDOG1_RESET:
> -		type = RESET_WDG;
> -		break;
> -	case IMX_SRC_SRSR_JTAG_RESET: /* FALLTHROUGH */
> -	case IMX_SRC_SRSR_JTAG_SW_RESET:
> -		type = RESET_JTAG;
> -		break;
> -	case IMX_SRC_SRSR_TEMPSENSE_RESET:
> -		type = RESET_THERM;
> -		break;
> -	case IMX_SRC_SRSR_WARM_BOOT:
> -		type = RESET_RST;
> -		break;
> +	if (is_vf610) {

The caller already knows this is a vf610 and the code path for vf610 is
completely different. Please add a vf610_set_reset_reason() instead of
clobbering the i.MX function with this.

Sascha


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  reply	other threads:[~2018-04-16  7:20 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-14 17:50 [PATCH 00/10] i.MX reset reason detection support Andrey Smirnov
2018-04-14 17:50 ` [PATCH 01/10] common: reset_source: Add the notion of "reset source instance" Andrey Smirnov
2018-04-14 17:50 ` [PATCH 02/10] ARM: i.MX: Add infrastructure to record SoC reset reason Andrey Smirnov
2018-04-18 15:23   ` Philipp Zabel
2018-04-19 22:19     ` Andrey Smirnov
2018-04-14 17:50 ` [PATCH 03/10] ARM: i.MX6: Record reset reason as a part of startup Andrey Smirnov
2018-04-16  7:13   ` Sascha Hauer
2018-04-16 13:28     ` Andrey Smirnov
2018-04-17  6:49       ` Sascha Hauer
2018-04-17 15:35         ` Andrey Smirnov
2018-04-18  8:23           ` Sascha Hauer
2018-04-14 17:50 ` [PATCH 04/10] ARM: i.MX7: " Andrey Smirnov
2018-04-16  7:13   ` Sascha Hauer
2018-04-14 17:50 ` [PATCH 05/10] common: reset_source: Introduce reset_source_name() Andrey Smirnov
2018-04-14 17:50 ` [PATCH 06/10] ARM: i.MX: Log detected reset reason Andrey Smirnov
2018-04-14 17:50 ` [PATCH 07/10] ARM: i.MX: Print "revision unknown" if that is the case Andrey Smirnov
2018-04-14 17:50 ` [PATCH 08/10] ARM: VFxxx: Add code to detect reset reason Andrey Smirnov
2018-04-16  7:19   ` Sascha Hauer [this message]
2018-04-16 13:12     ` Andrey Smirnov
2018-04-14 17:50 ` [PATCH 09/10] ARM: VFxxx: Add code to detect cpu variant Andrey Smirnov
2018-04-14 17:50 ` [PATCH 10/10] ARM: VFxxx: Detect cpu variant and reset source on start Andrey Smirnov

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