ssbi: Comment the use of udelay()
authorDavid Brown <davidb@codeaurora.org>
Tue, 12 Mar 2013 18:41:51 +0000 (11:41 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 25 Mar 2013 17:39:40 +0000 (10:39 -0700)
commit3f7a73b57c2f57aa25342ebdb7312f78c68502eb
tree068b9fcf5ffe224ab011c633cf83219282497c72
parent97f00f7120fe3396302693cdc4b1d11bbacad963
ssbi: Comment the use of udelay()

The ssbi driver uses a busywait loop to read its status register.  Add
a comment explaining the timing of the device itself so that future
developers can better understand this delay, and possibly diagnose any
problems.

Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/ssbi/ssbi.c