linux-kernel - Re: [PATCH] misc: rtsx: separate aspm mode into MODE_REG and MODE

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Date:   Fri, 4 Jun 2021 16:48:27 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     ricky_wu@...ltek.com
Cc:     arnd@...db.de, bhelgaas@...gle.com, rui_feng@...lsil.com.cn,
        ulf.hansson@...aro.org, vaibhavgupta40@...il.com,
        yang.lee@...ux.alibaba.com, keitasuzuki.park@...ab.ics.keio.ac.jp,
        chris.chiu@...onical.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] misc: rtsx: separate aspm mode into MODE_REG and MODE_CFG

On Fri, Jun 04, 2021 at 10:42:11PM +0800, ricky_wu@...ltek.com wrote:
> From: Ricky Wu <ricky_wu@...ltek.com>
> 
> Divide Realtek Card Reader Group into two different modes
> ASPM_MODE_CFG: 8411 5209 5227 5229 5249 5250
> Change back to use original way to control aspm

What is "aspm"?

> +#define ASPM_MODE_CFG		0x01
> +#define ASPM_MODE_REG		0x02
> +	u8				aspm_mode;

Why not use an enum?

thanks,

greg k-h