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authorMagnus Damm <magnus.damm@gmail.com>2008-07-11 18:55:27 +0900
committerGreg Kroah-Hartman <gregkh@suse.de>2008-08-21 10:15:39 -0700
commitc767db0ab4bc85f06119f2b42369e31b29991f16 (patch)
treec094d9aa9ece9b80c0df389c11da50913c652ead /MAINTAINERS
parent0f90927da11d596802d196cf299e91293abc90c5 (diff)
UIO: generic irq handling for some uio platform devices
This is V3 of uio_pdrv_genirq.c, a platform driver for UIO with generic IRQ handling code. This driver is very similar to the regular UIO platform driver, but is only suitable for devices that are connected to the interrupt controller using unique interrupt lines. The uio_pdrv_genirq driver includes generic interrupt handling code which disables the serviced interrupt in the interrupt controller and makes the user space driver responsible for acknowledging the interrupt in the device and reenabling the interrupt in the interrupt controller. Shared interrupts are not supported since the in-kernel interrupt handler will disable the interrupt line in the interrupt controller, and in a shared interrupt configuration this will stop other devices from delivering interrupts. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Hans J. Koch <hjk@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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