staticvoid rc5t583_irq_sync_unlock(struct irq_data *irq_data)
{ struct rc5t583 *rc5t583 = irq_data_get_irq_chip_data(irq_data); int i; int ret;
for (i = 0; i < ARRAY_SIZE(rc5t583->gpedge_reg); i++) {
ret = rc5t583_write(rc5t583->dev, gpedge_add[i],
rc5t583->gpedge_reg[i]); if (ret < 0)
dev_warn(rc5t583->dev, "Error in writing reg 0x%02x error: %d\n",
gpedge_add[i], ret);
}
for (i = 0; i < ARRAY_SIZE(rc5t583->irq_en_reg); i++) {
ret = rc5t583_write(rc5t583->dev, irq_en_add[i],
rc5t583->irq_en_reg[i]); if (ret < 0)
dev_warn(rc5t583->dev, "Error in writing reg 0x%02x error: %d\n",
irq_en_add[i], ret);
}
ret = rc5t583_write(rc5t583->dev, RC5T583_INTC_INTEN,
rc5t583->intc_inten_reg); if (ret < 0)
dev_warn(rc5t583->dev, "Error in writing reg 0x%02x error: %d\n",
RC5T583_INTC_INTEN, ret);
int rc5t583_irq_init(struct rc5t583 *rc5t583, int irq, int irq_base)
{ int i, ret;
if (!irq_base) {
dev_warn(rc5t583->dev, "No interrupt support on IRQ base\n"); return -EINVAL;
}
mutex_init(&rc5t583->irq_lock);
/* Initailize all int register to 0 */ for (i = 0; i < RC5T583_MAX_INTERRUPT_EN_REGS; i++) {
ret = rc5t583_write(rc5t583->dev, irq_en_add[i],
rc5t583->irq_en_reg[i]); if (ret < 0)
dev_warn(rc5t583->dev, "Error in writing reg 0x%02x error: %d\n",
irq_en_add[i], ret);
}
for (i = 0; i < RC5T583_MAX_GPEDGE_REG; i++) {
ret = rc5t583_write(rc5t583->dev, gpedge_add[i],
rc5t583->gpedge_reg[i]); if (ret < 0)
dev_warn(rc5t583->dev, "Error in writing reg 0x%02x error: %d\n",
gpedge_add[i], ret);
}
ret = rc5t583_write(rc5t583->dev, RC5T583_INTC_INTEN, 0x0); if (ret < 0)
dev_warn(rc5t583->dev, "Error in writing reg 0x%02x error: %d\n",
RC5T583_INTC_INTEN, ret);
/* Clear all interrupts in case they woke up active. */ for (i = 0; i < RC5T583_MAX_INTERRUPT_MASK_REGS; i++) {
ret = rc5t583_write(rc5t583->dev, irq_clr_add[i], 0); if (ret < 0)
dev_warn(rc5t583->dev, "Error in writing reg 0x%02x error: %d\n",
irq_clr_add[i], ret);
}
for (i = 0; i < RC5T583_MAX_IRQS; i++) { int __irq = i + rc5t583->irq_base;
irq_set_chip_data(__irq, rc5t583);
irq_set_chip_and_handler(__irq, &rc5t583_irq_chip,
handle_simple_irq);
irq_set_nested_thread(__irq, 1);
irq_clear_status_flags(__irq, IRQ_NOREQUEST);
}
ret = devm_request_threaded_irq(rc5t583->dev, irq, NULL, rc5t583_irq,
IRQF_ONESHOT, "rc5t583", rc5t583); if (ret < 0)
dev_err(rc5t583->dev, "Error in registering interrupt error: %d\n", ret); return ret;
}
Messung V0.5
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