unsigned fifo_status;
/* trigger conversion */
writew(0, dev->mmio + LAS0_ADC);
- udelay(1);
+ usleep_range(1, 1000);
fifo_status = readl(dev->mmio + LAS0_ADC);
if ((fifo_status & FS_ADC_HEMPTY) == 0) {
fifo_size = 2 * i;
struct rtd_private *devpriv = dev->private;
writel(0, dev->mmio + LAS0_BOARD_RESET);
- udelay(100); /* needed? */
+ usleep_range(100, 1000); /* needed? */
writel(0, devpriv->lcfg + PLX_INTRCS_REG);
writew(0, dev->mmio + LAS0_IT);
writew(~0, dev->mmio + LAS0_CLEAR);