From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sat, 14 Jan 2012 08:49:46 +0000 (+0000)
Subject: MFD: mcp-core: fix complaints from the genirq layer
X-Git-Tag: v3.3-rc2~18^2~1^2~4
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=98250221691f728b7cad6deed98866f8847e683f;p=pandora-kernel.git

MFD: mcp-core: fix complaints from the genirq layer

The genirq layer complains if an interrupt handler returns with
interrupts enabled.  The UCB1x00 handler does just this, because
ucb1x00_enable() calls mcp_enable(), which uses spin_lock_irq()
rather than spin_lock_irqsave().  Convert this, and the divisor
setting functions to use spin_lock_irqsave().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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