linux-kernel - RE: [PATCH next 2/2] misc: Add Renesas Synchronization Management Unit (SMU) support

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Date:   Mon, 5 Apr 2021 01:52:39 +0000
From:   Min Li <min.li.xe@...esas.com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     "derek.kiernan@...inx.com" <derek.kiernan@...inx.com>,
        "dragan.cvetic@...inx.com" <dragan.cvetic@...inx.com>,
        "arnd@...db.de" <arnd@...db.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH next 2/2] misc: Add Renesas Synchronization Management
 Unit (SMU) support

> 
> Any specific reason you are not using the misc_device api?  That would clean
> up this driver a lot, there's no need to create a whole class just for a single
> driver.
> 

Hi Greg

No specific reason. I just didn't know the existence of misc_register API. 
Do you recommend using this API to create the device? If yes, 
can you tell me how to obtain a appropriate MINOR number from miscdevice.h?

Thanks

Min