/*
* linux/sound/cs35l34.h -- Platform data for CS35l34
*
* Copyright (c) 2016 Cirrus Logic Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __CS35L34_H
#define __CS35L34_H
struct cs35l34_platform_data {
/* Set AIF to half drive strength */
bool aif_half_drv;
/* Digital Soft Ramp Disable */
bool digsft_disable;
/* Amplifier Invert */
bool amp_inv;
/* Peak current (mA) */
unsigned int boost_peak;
/* Boost inductor value (nH) */
unsigned int boost_ind;
/* Boost Controller Voltage Setting (mV) */
unsigned int boost_vtge;
/* Gain Change Zero Cross */
bool gain_zc_disable;
/* SDIN Left/Right Selection */
unsigned int i2s_sdinloc;
/* TDM Rising Edge */
bool tdm_rising_edge;
};
#endif /* __CS35L34_H */
/td>
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>