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Date:   Wed, 6 Dec 2017 17:27:35 +0800
From:   Kai Heng Feng <>
To:     Greg KH <>
Subject: Re: [PATCH] usb: core: Add "quirks" parameter for usbcore

> On 6 Dec 2017, at 5:13 PM, Greg KH <> wrote:
> On Wed, Dec 06, 2017 at 05:09:32PM +0800, Kai-Heng Feng wrote:
>> +/* Works only for digits and letters, but small and fast */
>> +#define TOLOWER(x) ((x) | 0x20)
> What is wrong with the in-kernel version of tolower()?

Nothing’s wrong with the in-kernel version. I’ll use that in v2.

Other than that, is there anythings I can make to improve the code?


> thanks,
> greg k-h

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