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Re: [PATCH] usb: core: Add "quirks" parameter for usbcore




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()?

thanks,

greg k-h