{
u8 rx_watermark;
struct i2c_msg *msg = i2c->rx_msg = i2c->tx_msg;
- unsigned long flags;
/* Clear and enable Rx full interrupt. */
xiic_irq_clr_en(i2c, XIIC_INTR_RX_FULL_MASK | XIIC_INTR_TX_ERROR_MASK);
rx_watermark = IIC_RX_FIFO_DEPTH;
xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET, rx_watermark - 1);
- local_irq_save(flags);
if (!(msg->flags & I2C_M_NOSTART))
/* write the address */
xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET,
xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET,
msg->len | ((i2c->nmsgs == 1) ? XIIC_TX_DYN_STOP_MASK : 0));
- local_irq_restore(flags);
if (i2c->nmsgs == 1)
/* very last, enable bus not busy as well */
XIIC_INTR_BNB_MASK);
}
-static irqreturn_t xiic_isr(int irq, void *dev_id)
-{
- struct xiic_i2c *i2c = dev_id;
- u32 pend, isr, ier;
- irqreturn_t ret = IRQ_NONE;
- /* Do not processes a devices interrupts if the device has no
- * interrupts pending
- */
-
- dev_dbg(i2c->adap.dev.parent, "%s entry\n", __func__);
-
- isr = xiic_getreg32(i2c, XIIC_IISR_OFFSET);
- ier = xiic_getreg32(i2c, XIIC_IIER_OFFSET);
- pend = isr & ier;
- if (pend)
- ret = IRQ_WAKE_THREAD;
-
- return ret;
-}
-
static void __xiic_start_xfer(struct xiic_i2c *i2c)
{
int first = 1;
pm_runtime_use_autosuspend(i2c->dev);
pm_runtime_set_active(i2c->dev);
pm_runtime_enable(i2c->dev);
- ret = devm_request_threaded_irq(&pdev->dev, irq, xiic_isr,
+ ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
xiic_process, IRQF_ONESHOT,
pdev->name, i2c);