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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: mfd: twl4030 irq fixes
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commit
b5a7c9a0b3
@ -180,14 +180,9 @@ static struct completion irq_event;
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static int twl4030_irq_thread(void *data)
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{
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long irq = (long)data;
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struct irq_desc *desc = irq_to_desc(irq);
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static unsigned i2c_errors;
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static const unsigned max_i2c_errors = 100;
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if (!desc) {
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pr_err("twl4030: Invalid IRQ: %ld\n", irq);
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return -EINVAL;
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}
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current->flags |= PF_NOFREEZE;
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@ -240,7 +235,7 @@ static int twl4030_irq_thread(void *data)
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}
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local_irq_enable();
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desc->chip->unmask(irq);
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enable_irq(irq);
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}
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return 0;
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@ -255,25 +250,13 @@ static int twl4030_irq_thread(void *data)
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* thread. All we do here is acknowledge and mask the interrupt and wakeup
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* the kernel thread.
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*/
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static void handle_twl4030_pih(unsigned int irq, struct irq_desc *desc)
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static irqreturn_t handle_twl4030_pih(int irq, void *devid)
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{
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/* Acknowledge, clear *AND* mask the interrupt... */
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desc->chip->ack(irq);
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complete(&irq_event);
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disable_irq_nosync(irq);
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complete(devid);
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return IRQ_HANDLED;
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}
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static struct task_struct *start_twl4030_irq_thread(long irq)
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{
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struct task_struct *thread;
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init_completion(&irq_event);
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thread = kthread_run(twl4030_irq_thread, (void *)irq, "twl4030-irq");
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if (!thread)
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pr_err("twl4030: could not create irq %ld thread!\n", irq);
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return thread;
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}
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/*----------------------------------------------------------------------*/
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/*
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@ -734,18 +717,28 @@ int twl_init_irq(int irq_num, unsigned irq_base, unsigned irq_end)
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}
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/* install an irq handler to demultiplex the TWL4030 interrupt */
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task = start_twl4030_irq_thread(irq_num);
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if (!task) {
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pr_err("twl4030: irq thread FAIL\n");
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status = -ESRCH;
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goto fail;
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init_completion(&irq_event);
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status = request_irq(irq_num, handle_twl4030_pih, IRQF_DISABLED,
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"TWL4030-PIH", &irq_event);
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if (status < 0) {
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pr_err("twl4030: could not claim irq%d: %d\n", irq_num, status);
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goto fail_rqirq;
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}
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set_irq_data(irq_num, task);
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set_irq_chained_handler(irq_num, handle_twl4030_pih);
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task = kthread_run(twl4030_irq_thread, (void *)irq_num, "twl4030-irq");
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if (IS_ERR(task)) {
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pr_err("twl4030: could not create irq %d thread!\n", irq_num);
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status = PTR_ERR(task);
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goto fail_kthread;
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}
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return status;
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fail_kthread:
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free_irq(irq_num, &irq_event);
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fail_rqirq:
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/* clean up twl4030_sih_setup */
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fail:
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for (i = irq_base; i < irq_end; i++)
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set_irq_chip_and_handler(i, NULL, NULL);
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