3 files changed, 17 insertions, 3 deletions

diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index 63e9dd30b41c..b91fa8dbf047 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -27,12 +27,12 @@ config NR_ONCHIP_DMA_CHANNELS
         default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R || \
                        CPU_SUBTYPE_SH7760
         default "12" if CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7780  || \
-                        CPU_SUBTYPE_SH7785
+                        CPU_SUBTYPE_SH7785 || CPU_SUBTYPE_SH7724
         default "6"
         help
           This allows you to specify the number of channels that the on-chip
-          DMAC supports. This will be 4 for SH7091/SH7750/SH7751 and 8 for the
-          SH7750R/SH7751R.
+          DMAC supports. This will be 4 for SH7750/SH7751/Sh7750S/SH7091 and 8 for the
+          SH7750R/SH7751R/SH7760, 12 for the SH7723/SH7780/SH7785/SH7724, default is 6.
 
 config NR_DMA_CHANNELS_BOOL
         depends on SH_DMA
diff --git a/arch/sh/drivers/heartbeat.c b/arch/sh/drivers/heartbeat.c
index 938817e34e2b..a9339a6174fc 100644
--- a/arch/sh/drivers/heartbeat.c
+++ b/arch/sh/drivers/heartbeat.c
@@ -40,14 +40,19 @@ static inline void heartbeat_toggle_bit(struct heartbeat_data *hd,
         if (inverted)
                 new = ~new;
 
+        new &= hd->mask;
+
         switch (hd->regsize) {
         case 32:
+                new |= ioread32(hd->base) & ~hd->mask;
                 iowrite32(new, hd->base);
                 break;
         case 16:
+                new |= ioread16(hd->base) & ~hd->mask;
                 iowrite16(new, hd->base);
                 break;
         default:
+                new |= ioread8(hd->base) & ~hd->mask;
                 iowrite8(new, hd->base);
                 break;
         }
@@ -72,6 +77,7 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
 {
         struct resource *res;
         struct heartbeat_data *hd;
+        int i;
 
         if (unlikely(pdev->num_resources != 1)) {
                 dev_err(&pdev->dev, "invalid number of resources\n");
@@ -107,6 +113,10 @@ static int heartbeat_drv_probe(struct platform_device *pdev)
                 hd->nr_bits = ARRAY_SIZE(default_bit_pos);
         }
 
+        hd->mask = 0;
+        for (i = 0; i < hd->nr_bits; i++)
+                hd->mask |= (1 << hd->bit_pos[i]);
+
         if (!hd->regsize)
                 hd->regsize = 8;        /* default access size */
 
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 9a1c423ad167..c481df639022 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -295,6 +295,8 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
                                vma->vm_page_prot);
 }
 
+#ifndef CONFIG_GENERIC_IOMAP
+
 static void __iomem *ioport_map_pci(struct pci_dev *dev,
                                     unsigned long port, unsigned int nr)
 {
@@ -346,6 +348,8 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
 }
 EXPORT_SYMBOL(pci_iounmap);
 
+#endif /* CONFIG_GENERIC_IOMAP */
+
 #ifdef CONFIG_HOTPLUG
 EXPORT_SYMBOL(pcibios_resource_to_bus);
 EXPORT_SYMBOL(pcibios_bus_to_resource);