On 30.07.24 11:25, Yann Sionneau wrote: > Hello Ahmad, > > Le 7/30/24 à 09:19, Ahmad Fatoum a écrit : >> This introduces no functional change, but adds a number of definitions >> that will come in handy when adding erase support in a later commit. >> >> Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> >> --- >> include/mci.h | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++- >> 1 file changed, 60 insertions(+), 1 deletion(-) >> >> diff --git a/include/mci.h b/include/mci.h >> index 4f1ff9dc57c8..610040937ee5 100644 >> --- a/include/mci.h >> +++ b/include/mci.h >> >> +/* >> + * Card Command Classes (CCC) >> + */ >> +#define CCC_BASIC (1<<0) /* (0) Basic protocol functions */ >> + /* (CMD0,1,2,3,4,7,9,10,12,13,15) */ >> + /* (and for SPI, CMD58,59) */ >> +#define CCC_STREAM_READ (1<<1) /* (1) Stream read commands */ >> + /* (CMD11) */ >> +#define CCC_BLOCK_READ (1<<2) /* (2) Block read commands */ >> + /* (CMD16,17,18) */ >> +#define CCC_STREAM_WRITE (1<<3) /* (3) Stream write commands */ >> + /* (CMD20) */ >> +#define CCC_BLOCK_WRITE (1<<4) /* (4) Block write commands */ >> + /* (CMD16,24,25,26,27) */ >> +#define CCC_ERASE (1<<5) /* (5) Ability to erase blocks */ >> + /* (CMD32,33,34,35,36,37,38,39) */ >> +#define CCC_WRITE_PROT (1<<6) /* (6) Able to write protect blocks */ >> + /* (CMD28,29,30) */ >> +#define CCC_LOCK_CARD (1<<7) /* (7) Able to lock down card */ >> + /* (CMD16,CMD42) */ >> +#define CCC_APP_SPEC (1<<8) /* (8) Application specific */ >> + /* (CMD55,56,57,ACMD*) */ >> +#define CCC_IO_MODE (1<<9) /* (9) I/O mode */ >> + /* (CMD5,39,40,52,53) */ >> +#define CCC_SWITCH (1<<10) /* (10) High speed switch */ >> + /* (CMD6,34,35,36,37,50) */ >> + /* (11) Reserved */ >> + /* (CMD?) */ >> + > > Why not use BIT(xx)? Maybe this is copy paste from Linux and you want to keep it easy to synchronize? Exactly. -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |