3 files changed, 4 insertions, 3 deletions

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index b1d08a8f5003..e6b4606e36b6 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -1499,7 +1499,7 @@ static int __devinit piix_init_one(struct pci_dev *pdev,
          * off.
          */
         if (pdev->vendor == PCI_VENDOR_ID_INTEL && pdev->device == 0x2652) {
-                int rc = piix_disable_ahci(pdev);
+                rc = piix_disable_ahci(pdev);
                 if (rc)
                         return rc;
         }
diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c
index 3ead02fe379e..5032c32fa505 100644
--- a/drivers/ata/sata_inic162x.c
+++ b/drivers/ata/sata_inic162x.c
@@ -96,6 +96,7 @@ enum {
         PORT_SCR                = 0x20,
 
         /* HOST_CTL bits */
+        HCTL_LEDEN              = (1 << 3),  /* enable LED operation */
         HCTL_IRQOFF             = (1 << 8),  /* global IRQ off */
         HCTL_FTHD0              = (1 << 10), /* fifo threshold 0 */
         HCTL_FTHD1              = (1 << 11), /* fifo threshold 1*/
@@ -540,7 +541,7 @@ static unsigned int inic_qc_issue(struct ata_queued_cmd *qc)
         void __iomem *port_base = inic_port_base(ap);
 
         /* fire up the ADMA engine */
-        writew(HCTL_FTHD0, port_base + HOST_CTL);
+        writew(HCTL_FTHD0 | HCTL_LEDEN, port_base + HOST_CTL);
         writew(IDMA_CTL_GO, port_base + PORT_IDMA_CTL);
         writeb(0, port_base + PORT_CPB_PTQFIFO);
 
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 1ce19c1ef0e9..8a12d718c169 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -745,7 +745,7 @@ static inline int ata_ok(u8 status)
 static inline int lba_28_ok(u64 block, u32 n_block)
 {
         /* check the ending block number */
-        return ((block + n_block - 1) < ((u64)1 << 28)) && (n_block <= 256);
+        return ((block + n_block) < ((u64)1 << 28)) && (n_block <= 256);
 }
 
 static inline int lba_48_ok(u64 block, u32 n_block)