linux-kernel - Re: [PATCH v9 3/4] ARM: dts: rockchip: add syscon-reboot-mode DT node

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Message-ID: <20160620215545.GE1256@tuxbot>
Date:	Mon, 20 Jun 2016 14:55:46 -0700
From:	Bjorn Andersson <bjorn.andersson@...aro.org>
To:	Andy Yan <andy.yan@...k-chips.com>
Cc:	robh+dt@...nel.org, heiko@...ech.de, john.stultz@...aro.org,
	arnd@...db.de, k.kozlowski@...sung.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, alexandre.belloni@...e-electrons.com,
	dbaryshkov@...il.com, sre@...nel.org, matthias.bgg@...il.com,
	linux-pm@...r.kernel.org, mbrugger@...e.com,
	lorenzo.pieralisi@....com, moritz.fischer@...us.com, richard@....at
Subject: Re: [PATCH v9 3/4] ARM: dts: rockchip: add syscon-reboot-mode DT node

On Sun 19 Jun 23:39 PDT 2016, Andy Yan wrote:

> Rockchip platform use a SYSCON mapped register store
> the reboot mode magic value for bootloader to use when
> system reboot. So add syscon-reboot-mode driver DT node
> for rk3xxx/rk3036/rk3288 based platform
> 
> Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>
> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
> 
[..]
> diff --git a/include/dt-bindings/soc/rockchip_boot-mode.h b/include/dt-bindings/soc/rockchip_boot-mode.h
> new file mode 100644
> index 0000000..ae7c867
> --- /dev/null
> +++ b/include/dt-bindings/soc/rockchip_boot-mode.h
> @@ -0,0 +1,15 @@
> +#ifndef __ROCKCHIP_BOOT_MODE_H
> +#define __ROCKCHIP_BOOT_MODE_H
> +
> +/*high 24 bits is tag, low 8 bits is type*/
> +#define REBOOT_FLAG		0x5242C300
> +/* normal boot */
> +#define BOOT_NORMAL		(REBOOT_FLAG + 0)
> +/* enter bootloader rockusb mode */
> +#define BOOT_BL_DOWNLOAD	(REBOOT_FLAG + 1)
> +/* enter recovery */
> +#define BOOT_RECOVERY		(REBOOT_FLAG + 3)
> + /* enter fastboot mode */
> +#define BOOT_FASTBOOT		(REBOOT_FLAG + 9)

The names of these defines are too generic for being in a header file.
You should likely make them include "ROCKCHIP" and "BOOT_MODE".

Regards,
Bjorn