3 files changed, 37 insertions, 31 deletions

diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index d8ece20bb2cf..660786013350 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -19,23 +19,34 @@
 #include <asm/io.h>
 #include "dma-sh.h"
 
-static inline unsigned int get_dmte_irq(unsigned int chan)
-{
-        unsigned int irq = 0;
 
+
+#ifdef CONFIG_CPU_SH4
+static struct ipr_data dmae_ipr_map[] = {
+        { DMAE_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+};
+#endif
+static struct ipr_data dmte_ipr_map[] = {
         /*
          * Normally we could just do DMTE0_IRQ + chan outright, though in the
          * case of the 7751R, the DMTE IRQs for channels > 4 start right above
          * the SCIF
          */
-        if (chan < 4) {
-                irq = DMTE0_IRQ + chan;
-        } else {
-#ifdef DMTE4_IRQ
-                irq = DMTE4_IRQ + chan - 4;
-#endif
-        }
+        { DMTE0_IRQ + 0, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+        { DMTE0_IRQ + 1, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+        { DMTE0_IRQ + 2, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+        { DMTE0_IRQ + 3, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+        { DMTE4_IRQ + 0, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+        { DMTE4_IRQ + 1, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+        { DMTE4_IRQ + 2, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+        { DMTE4_IRQ + 3, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY },
+};
 
+static inline unsigned int get_dmte_irq(unsigned int chan)
+{
+        unsigned int irq = 0;
+        if (chan < ARRAY_SIZE(dmte_ipr_map))
+                irq = dmte_ipr_map[chan].irq;
         return irq;
 }
 
@@ -258,17 +269,16 @@ static int __init sh_dmac_init(void)
         int i;
 
 #ifdef CONFIG_CPU_SH4
-        make_ipr_irq(DMAE_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
+        make_ipr_irq(dmae_ipr_map, ARRAY_SIZE(dmae_ipr_map));
         i = request_irq(DMAE_IRQ, dma_err, IRQF_DISABLED, "DMAC Address Error", 0);
         if (unlikely(i < 0))
                 return i;
 #endif
 
-        for (i = 0; i < info->nr_channels; i++) {
-                int irq = get_dmte_irq(i);
-
-                make_ipr_irq(irq, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
-        }
+        i = info->nr_channels;
+        if (i > ARRAY_SIZE(dmte_ipr_map))
+                i = ARRAY_SIZE(dmte_ipr_map);
+        make_ipr_irq(dmte_ipr_map, i);
 
         /*
          * Initialize DMAOR, and clean up any error flags that may have
diff --git a/arch/sh/drivers/pci/ops-r7780rp.c b/arch/sh/drivers/pci/ops-r7780rp.c
index 6e3ba9c65b40..eeea1577e112 100644
--- a/arch/sh/drivers/pci/ops-r7780rp.c
+++ b/arch/sh/drivers/pci/ops-r7780rp.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/pci.h>
-#include <asm/r7780rp/r7780rp.h>
+#include <asm/r7780rp.h>
 #include <asm/io.h>
 #include "pci-sh4.h"
 
diff --git a/arch/sh/drivers/pci/ops-rts7751r2d.c b/arch/sh/drivers/pci/ops-rts7751r2d.c
index b68824c8b81e..4a518d948049 100644
--- a/arch/sh/drivers/pci/ops-rts7751r2d.c
+++ b/arch/sh/drivers/pci/ops-rts7751r2d.c
@@ -10,28 +10,24 @@
  *
  * PCI initialization for the Renesas SH7751R RTS7751R2D board
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/pci.h>
-#include <linux/module.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
-#include <asm/io.h>
+#include <linux/io.h>
+#include <asm/rts7751r2d.h>
 #include "pci-sh4.h"
 
+static u8 rts7751r2d_irq_tab[] __initdata = {
+        IRQ_PCISLOT1,
+        IRQ_PCISLOT2,
+        IRQ_PCMCIA,
+        IRQ_PCIETH,
+};
+
 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
 {
-        switch (slot) {
-        case 0: return IRQ_PCISLOT1;    /* PCI Extend slot #1 */
-        case 1: return IRQ_PCISLOT2;    /* PCI Extend slot #2 */
-        case 2: return IRQ_PCMCIA;      /* PCI Cardbus Bridge */
-        case 3: return IRQ_PCIETH;      /* Realtek Ethernet controller */
-        default:
-                printk("PCI: Bad IRQ mapping request for slot %d\n", slot);
-                return -1;
-        }
+        return rts7751r2d_irq_tab[slot];
 }
 
 static struct resource sh7751_io_resource = {