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/*
 * nomadik.h
 *
 * Copyright (C) ST-Ericsson SA 2013
 * Author: Gabriel Fernandez <gabriel.fernandez@st.com> for ST-Ericsson.
 * License terms:  GNU General Public License (GPL), version 2
 */

#define INPUT_NOPULL		0
#define INPUT_PULLUP		1
#define INPUT_PULLDOWN		2

#define OUTPUT_LOW		0
#define OUTPUT_HIGH		1
#define DIR_OUTPUT		2

#define SLPM_DISABLED		0
#define SLPM_ENABLED		1

#define SLPM_INPUT_NOPULL	0
#define SLPM_INPUT_PULLUP	1
#define SLPM_INPUT_PULLDOWN	2
#define SLPM_DIR_INPUT		3

#define SLPM_OUTPUT_LOW		0
#define SLPM_OUTPUT_HIGH	1
#define SLPM_DIR_OUTPUT		2

#define SLPM_WAKEUP_DISABLE	0
#define SLPM_WAKEUP_ENABLE	1

#define GPIOMODE_DISABLED	0
#define GPIOMODE_ENABLED	1

#define SLPM_PDIS_DISABLED	0
#define SLPM_PDIS_ENABLED	1
inux/net-next.git/diff/sound/soc/codecs/wm8770.h?id=08d85f3ea99f1eeafc4e8507936190e86a16ee8c&id2=566cf877a1fcb6d6dc0126b076aad062054c2637'>diff)
irqdomain: Avoid activating interrupts more than once
Since commit f3b0946d629c ("genirq/msi: Make sure PCI MSIs are activated early"), we can end-up activating a PCI/MSI twice (once at allocation time, and once at startup time). This is normally of no consequences, except that there is some HW out there that may misbehave if activate is used more than once (the GICv3 ITS, for example, uses the activate callback to issue the MAPVI command, and the architecture spec says that "If there is an existing mapping for the EventID-DeviceID combination, behavior is UNPREDICTABLE"). While this could be worked around in each individual driver, it may make more sense to tackle the issue at the core level. In order to avoid getting in that situation, let's have a per-interrupt flag to remember if we have already activated that interrupt or not. Fixes: f3b0946d629c ("genirq/msi: Make sure PCI MSIs are activated early") Reported-and-tested-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1484668848-24361-1-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'sound/soc/codecs/wm8770.h')