diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 7bed8d806381..17159b5e1e43 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -271,14 +271,12 @@ static void pdc_data_xfer_vlb(struct ata_device *adev, unsigned char *buf, unsig
 			ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2);
 
 		if (unlikely(slop)) {
-			u32 pad;
+			__le32 pad = 0;
 			if (write_data) {
 				memcpy(&pad, buf + buflen - slop, slop);
-				pad = le32_to_cpu(pad);
-				iowrite32(pad, ap->ioaddr.data_addr);
+				iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr);
 			} else {
-				pad = ioread32(ap->ioaddr.data_addr);
-				pad = cpu_to_le16(pad);
+				pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr));
 				memcpy(buf + buflen - slop, &pad, slop);
 			}
 		}
diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c
index 7d4c696c4cb6..a4c0e502cb42 100644
--- a/drivers/ata/pata_qdi.c
+++ b/drivers/ata/pata_qdi.c
@@ -136,14 +136,12 @@ static void qdi_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned
 			ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2);
 
 		if (unlikely(slop)) {
-			u32 pad;
+			__le32 pad = 0;
 			if (write_data) {
 				memcpy(&pad, buf + buflen - slop, slop);
-				pad = le32_to_cpu(pad);
-				iowrite32(pad, ap->ioaddr.data_addr);
+				iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr);
 			} else {
-				pad = ioread32(ap->ioaddr.data_addr);
-				pad = cpu_to_le32(pad);
+				pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr));
 				memcpy(buf + buflen - slop, &pad, slop);
 			}
 		}
diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c
index 311cdb3a5566..7116a9e7a8b2 100644
--- a/drivers/ata/pata_winbond.c
+++ b/drivers/ata/pata_winbond.c
@@ -104,14 +104,12 @@ static void winbond_data_xfer(struct ata_device *adev, unsigned char *buf, unsig
 			ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2);
 
 		if (unlikely(slop)) {
-			u32 pad;
+			__le32 pad = 0;
 			if (write_data) {
 				memcpy(&pad, buf + buflen - slop, slop);
-				pad = le32_to_cpu(pad);
-				iowrite32(pad, ap->ioaddr.data_addr);
+				iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr);
 			} else {
-				pad = ioread32(ap->ioaddr.data_addr);
-				pad = cpu_to_le16(pad);
+				pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr));
 				memcpy(buf + buflen - slop, &pad, slop);
 			}
 		}