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Jaroslav Franek 868e15dbd2 sound: emu10k1 - fix system hang with Audigy2 ZS Notebook PCMCIA card ... When the Linux kernel is compiled with CONFIG_DEBUG_SHIRQ=y, the Soundblaster Audigy2 ZS Notebook PCMCIA card causes the system hang during boot (udev stage) or when the card is hot-plug. The CONFIG_DEBUG_SHIRQ flag is by default 'y' with all Fedora kernels since 2.6.23. The problem was reported as https://bugzilla.redhat.com/show_bug.cgi?id=326411 The issue was hunted down to the snd_emu10k1_create() routine: /* pseudo-code */ snd_emu10k1_create(...) { ... request_irq(... IRQF_SHARED ...) { register the irq handler #ifdef CONFIG_DEBUG_SHIRQ call the irq handler: snd_emu10k1_interrupt() { poll I/O port // <---- !! system hangs ... } #endif } ... snd_emu10k1_cardbus_init(...) { initialize I/O ports } ... } The early access to I/O port in the interrupt handler causes the freeze. Obviously it is necessary to init the I/O ports before accessing them. This patch moves the registration of the irq handler after the initialization of the I/O ports. Signed-off-by: Jaroslav Franek <jarin.franek@post.cz> Acked-by: James Courtier-Dutton <James@superbug.co.uk> Signed-off-by: Takashi Iwai <tiwai@suse.de>		17 years ago
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aoa	[ALSA] Remove sound/driver.h	17 years ago
arm	[ALSA] pxa2xx-ac97: Support PXA3xx AC97	17 years ago
core	SOUND: fix race in device_create	17 years ago
drivers	[ALSA] snd-pcsp - fix pcsp_treble_info() to honour an item number	17 years ago
i2c	[ALSA] some fixes and cleanup for ICE1724 cards	17 years ago
isa	[ALSA] sound: replace remaining __FUNCTION__ occurences	17 years ago
mips	[ALSA] Remove sound/driver.h	17 years ago
oss	msnd_* is ISA-only	17 years ago
parisc	[ALSA] Remove sound/driver.h	17 years ago
pci	sound: emu10k1 - fix system hang with Audigy2 ZS Notebook PCMCIA card	17 years ago
pcmcia	[ALSA] Remove sound/driver.h	17 years ago
ppc	[ALSA] snd-powermac: style burgundy.c	17 years ago
sh	Remove duplicated unlikely() in IS_ERR()	17 years ago
soc	[ALSA] ASoC: Fix wrong enum count for jack_function in N810 machine driver	17 years ago
sparc	[ALSA] Remove sound/driver.h	17 years ago
spi	[ALSA] at73c213: Add constraints for periods value	17 years ago
synth	[ALSA] emux midi synthesizer doesn't honor SOFT_PEDAL-release event	17 years ago
usb	caiaq endianness fix	17 years ago
Kconfig	snd-pcsp: adjust help texts to frighten users	17 years ago
Makefile	[ALSA] Add SPI devices to ALSA Kconfig and Makefile	17 years ago
ac97_bus.c	[ALSA] ac97_bus power management	18 years ago
last.c	[ALSA] Remove sound/driver.h	17 years ago
sound_core.c	[PATCH] mark struct file_operations const 9	18 years ago
sound_firmware.c	Detach sched.h from mm.h	18 years ago