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From: me@tobin.cc (Tobin C. Harding)
To: kernelnewbies@lists.kernelnewbies.org
Subject: 0 bit shift
Date: Thu, 30 Mar 2017 09:59:44 +1100	[thread overview]
Message-ID: <20170329225944.GG25014@eros> (raw)

What is the reason for the zero bit shift in this code please?

#define SDIO_STATE_PRESENT	(1<<0)		/* present in sysfs */

file: include/linux/mmc/sdio_func.h

thanks,
Tobin.

             reply	other threads:[~2017-03-29 22:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-29 22:59 Tobin C. Harding [this message]
2017-03-29 23:57 ` 0 bit shift valdis.kletnieks at vt.edu
2017-03-30  0:39   ` Tobin C. Harding

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