From: Sebastian Andrzej Siewior Date: Mon, 7 Apr 2014 10:13:05 +0000 (+0200) Subject: gpio: dwapb: drop irq_setup_generic_chip() X-Git-Tag: v3.16-rc1~30^2~53^2~74 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=11d3d334af07408ce3a68860c40006ddcd343da5;p=linux.git gpio: dwapb: drop irq_setup_generic_chip() The driver calls irq_alloc_domain_generic_chips() which creates a gc and adds it to gc_list. The driver later then calls irq_setup_generic_chip() which also initializes the gc and adds it to the gc_list() and this corrupts the list. Enable LIST_DEBUG and you see the kernel complain. This isn't required, irq_alloc_domain_generic_chips() did the init. Signed-off-by: Sebastian Andrzej Siewior Tested-by: Alan Tull Signed-off-by: Linus Walleij --- diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index ed5711f77e2d..4d25a06bb45e 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -260,9 +260,6 @@ static void dwapb_configure_irqs(struct dwapb_gpio *gpio, ct->regs.ack = GPIO_PORTA_EOI; ct->regs.mask = GPIO_INTMASK; - irq_setup_generic_chip(irq_gc, IRQ_MSK(port->bgc.gc.ngpio), - IRQ_GC_INIT_NESTED_LOCK, IRQ_NOREQUEST, 0); - irq_set_chained_handler(irq, dwapb_irq_handler); irq_set_handler_data(irq, gpio);