ahci_sunxi: Use msleep instead of mdelay

ahci_sunxi_phy_init is called from the probe and resume code paths, and
sleeping is safe in both, so use msleep instead of mdelay.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/drivers/ata/ahci_sunxi.c b/drivers/ata/ahci_sunxi.c
index 001f7dfc..d1bf3f7 100644
--- a/drivers/ata/ahci_sunxi.c
+++ b/drivers/ata/ahci_sunxi.c
@@ -90,7 +90,7 @@
 
 	/* This magic is from the original code */
 	writel(0, reg_base + AHCI_RWCR);
-	mdelay(5);
+	msleep(5);
 
 	sunxi_setbits(reg_base + AHCI_PHYCS1R, BIT(19));
 	sunxi_clrsetbits(reg_base + AHCI_PHYCS0R,
@@ -105,7 +105,7 @@
 			 (0x7 << 20), (0x3 << 20));
 	sunxi_clrsetbits(reg_base + AHCI_PHYCS2R,
 			 (0x1f << 5), (0x19 << 5));
-	mdelay(5);
+	msleep(5);
 
 	sunxi_setbits(reg_base + AHCI_PHYCS0R, (0x1 << 19));
 
@@ -137,7 +137,7 @@
 		udelay(1);
 	} while (1);
 
-	mdelay(15);
+	msleep(15);
 
 	writel(0x7, reg_base + AHCI_RWCR);