diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index 40b070e..2141a99 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -561,12 +561,10 @@
 retry:
 	bccrl = readl(mmio_base + PDC_BYTE_COUNT) & 0x7fff;
 	bccrh = readl(mmio_base + PDC_BYTE_COUNT + 0x100) & 0x7fff;
-	rmb();
 
 	/* Read the counter values again for verification */
 	bccrlv = readl(mmio_base + PDC_BYTE_COUNT) & 0x7fff;
 	bccrhv = readl(mmio_base + PDC_BYTE_COUNT + 0x100) & 0x7fff;
-	rmb();
 
 	counter = (bccrh << 15) | bccrl;
 
@@ -741,9 +739,6 @@
 	 */
 	pll_clock = pdc_detect_pll_input_clock(host);
 
-	if (pll_clock < 0) /* counter overflow? Try again. */
-		pll_clock = pdc_detect_pll_input_clock(host);
-
 	dev_printk(KERN_INFO, host->dev, "PLL input clock %ld kHz\n", pll_clock/1000);
 
 	/* Adjust PLL control register */