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memstick: automatically retrieve "INT" value from command response

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MemoryStick storage cards, when in parallel mode, send several meaningful bits
of their "INT" register as part of command response.  This data is stored by
host and can be used to spare invocation of "GET_INT" TPC on each data page
transferred between host and card.

Signed-off-by: Alex Dubov <oakad@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alex Dubov
2008-03-19 17:01:06 -07:00
committed by Linus Torvalds
parent 9df130392f
commit ead7077360
5 changed files with 49 additions and 41 deletions
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include/linux/memstick.h
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@ -239,7 +239,6 @@ struct memstick_request {
unsigned char tpc;
unsigned char data_dir:1,
need_card_int:1,
get_int_reg:1,
long_data:1;
unsigned char int_reg;
int error;