Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  drivers/ata/pata_ixp4xx_cf.c: ioremap return code check
  Ata: pata_marvell, use ioread* for iomap-ped memory
  libata: fix for sata_mv >64KB DMA segments

3 files changed, 24 insertions, 9 deletions

diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index 4ca7fd6118d5..5dea3584c6c2 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -189,6 +189,9 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
         data->cs0 = devm_ioremap(&pdev->dev, cs0->start, 0x1000);
         data->cs1 = devm_ioremap(&pdev->dev, cs1->start, 0x1000);
 
+        if (!data->cs0 || !data->cs1)
+                return -ENOMEM;
+
         irq = platform_get_irq(pdev, 0);
         if (irq)
                 set_irq_type(irq, IRQT_RISING);
diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c
index ae206f35f747..b45506f1ef73 100644
--- a/drivers/ata/pata_marvell.c
+++ b/drivers/ata/pata_marvell.c
@@ -44,10 +44,10 @@ static int marvell_pre_reset(struct ata_port *ap, unsigned long deadline)
                 return -ENOMEM;
         printk("BAR5:");
         for(i = 0; i <= 0x0F; i++)
-                printk("%02X:%02X ", i, readb(barp + i));
+                printk("%02X:%02X ", i, ioread8(barp + i));
         printk("\n");
 
-        devices = readl(barp + 0x0C);
+        devices = ioread32(barp + 0x0C);
         pci_iounmap(pdev, barp);
 
         if ((pdev->device == 0x6145) && (ap->port_no == 0) &&
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 11bf6c7ac122..1a82e22b3efd 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1139,15 +1139,27 @@ static unsigned int mv_fill_sg(struct ata_queued_cmd *qc)
                 dma_addr_t addr = sg_dma_address(sg);
                 u32 sg_len = sg_dma_len(sg);
 
-                mv_sg->addr = cpu_to_le32(addr & 0xffffffff);
-                mv_sg->addr_hi = cpu_to_le32((addr >> 16) >> 16);
-                mv_sg->flags_size = cpu_to_le32(sg_len & 0xffff);
+                while (sg_len) {
+                        u32 offset = addr & 0xffff;
+                        u32 len = sg_len;
 
-                if (ata_sg_is_last(sg, qc))
-                        mv_sg->flags_size |= cpu_to_le32(EPRD_FLAG_END_OF_TBL);
+                        if ((offset + sg_len > 0x10000))
+                                len = 0x10000 - offset;
+
+                        mv_sg->addr = cpu_to_le32(addr & 0xffffffff);
+                        mv_sg->addr_hi = cpu_to_le32((addr >> 16) >> 16);
+                        mv_sg->flags_size = cpu_to_le32(len);
+
+                        sg_len -= len;
+                        addr += len;
+
+                        if (!sg_len && ata_sg_is_last(sg, qc))
+                                mv_sg->flags_size |= cpu_to_le32(EPRD_FLAG_END_OF_TBL);
+
+                        mv_sg++;
+                        n_sg++;
+                }
 
-                mv_sg++;
-                n_sg++;
         }
 
         return n_sg;