Re: [PATCH V22 08/22] mmc: sdhci: add UHS-II related definitions in headers

[Markus Elfring]

…
> +++ b/drivers/mmc/host/sdhci-uhs2.h
> @@ -0,0 +1,177 @@
…
> +#ifndef __SDHCI_UHS2_H
> +#define __SDHCI_UHS2_H
…

I suggest to omit leading underscores from such identifiers.
https://wiki.sei.cmu.edu/confluence/display/c/DCL37-C.+Do+not+declare+or+define+a+reserved+identifier

Regards,
Markus