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spi_bitbang: always grab lock with irqs blocked
authorDavid Brownell <dbrownell@users.sourceforge.net>
Tue, 8 Jan 2008 23:32:40 +0000 (15:32 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Wed, 9 Jan 2008 00:10:35 +0000 (16:10 -0800)
Fix a glitch reported by lockdep in the spi_bitbang code: it needs to
consistently block IRQs when holding that spinlock.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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