[PATCH] powermac pci iomem annotations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index f671ed2..de3f30e 100644 (file)
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -136,14 +136,14 @@ static void __init fixup_bus_range(struct device_node *bridge)
        |(((unsigned int)(off)) & 0xFCUL) \
        |1UL)
 
-static unsigned long macrisc_cfg_access(struct pci_controller* hose,
+static volatile void __iomem *macrisc_cfg_access(struct pci_controller* hose,
                                               u8 bus, u8 dev_fn, u8 offset)
 {
        unsigned int caddr;
 
        if (bus == hose->first_busno) {
                if (dev_fn < (11 << 3))
-                       return 0;
+                       return NULL;
                caddr = MACRISC_CFA0(dev_fn, offset);
        } else
                caddr = MACRISC_CFA1(bus, dev_fn, offset);
@@ -154,14 +154,14 @@ static unsigned long macrisc_cfg_access(struct pci_controller* hose,
        } while (in_le32(hose->cfg_addr) != caddr);
 
        offset &= has_uninorth ? 0x07 : 0x03;
-       return ((unsigned long)hose->cfg_data) + offset;
+       return hose->cfg_data + offset;
 }
 
 static int macrisc_read_config(struct pci_bus *bus, unsigned int devfn,
                                      int offset, int len, u32 *val)
 {
        struct pci_controller *hose;
-       unsigned long addr;
+       volatile void __iomem *addr;
 
        hose = pci_bus_to_host(bus);
        if (hose == NULL)
@@ -177,13 +177,13 @@ static int macrisc_read_config(struct pci_bus *bus, unsigned int devfn,
         */
        switch (len) {
        case 1:
-               *val = in_8((u8 *)addr);
+               *val = in_8(addr);
                break;
        case 2:
-               *val = in_le16((u16 *)addr);
+               *val = in_le16(addr);
                break;
        default:
-               *val = in_le32((u32 *)addr);
+               *val = in_le32(addr);
                break;
        }
        return PCIBIOS_SUCCESSFUL;
@@ -193,7 +193,7 @@ static int macrisc_write_config(struct pci_bus *bus, unsigned int devfn,
                                       int offset, int len, u32 val)
 {
        struct pci_controller *hose;
-       unsigned long addr;
+       volatile void __iomem *addr;
 
        hose = pci_bus_to_host(bus);
        if (hose == NULL)
@@ -209,16 +209,16 @@ static int macrisc_write_config(struct pci_bus *bus, unsigned int devfn,
         */
        switch (len) {
        case 1:
-               out_8((u8 *)addr, val);
-               (void) in_8((u8 *)addr);
+               out_8(addr, val);
+               (void) in_8(addr);
                break;
        case 2:
-               out_le16((u16 *)addr, val);
-               (void) in_le16((u16 *)addr);
+               out_le16(addr, val);
+               (void) in_le16(addr);
                break;
        default:
-               out_le32((u32 *)addr, val);
-               (void) in_le32((u32 *)addr);
+               out_le32(addr, val);
+               (void) in_le32(addr);
                break;
        }
        return PCIBIOS_SUCCESSFUL;
@@ -348,25 +348,23 @@ static int u3_ht_skip_device(struct pci_controller *hose,
                + (((unsigned int)bus) << 16) \
                + 0x01000000UL)
 
-static unsigned long u3_ht_cfg_access(struct pci_controller* hose,
+static volatile void __iomem *u3_ht_cfg_access(struct pci_controller* hose,
                                             u8 bus, u8 devfn, u8 offset)
 {
        if (bus == hose->first_busno) {
                /* For now, we don't self probe U3 HT bridge */
                if (PCI_SLOT(devfn) == 0)
-                       return 0;
-               return ((unsigned long)hose->cfg_data) +
-                       U3_HT_CFA0(devfn, offset);
+                       return NULL;
+               return hose->cfg_data + U3_HT_CFA0(devfn, offset);
        } else
-               return ((unsigned long)hose->cfg_data) +
-                       U3_HT_CFA1(bus, devfn, offset);
+               return hose->cfg_data + U3_HT_CFA1(bus, devfn, offset);
 }
 
 static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn,
                                    int offset, int len, u32 *val)
 {
        struct pci_controller *hose;
-       unsigned long addr;
+       volatile void __iomem *addr;
 
        hose = pci_bus_to_host(bus);
        if (hose == NULL)
@@ -400,13 +398,13 @@ static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn,
         */
        switch (len) {
        case 1:
-               *val = in_8((u8 *)addr);
+               *val = in_8(addr);
                break;
        case 2:
-               *val = in_le16((u16 *)addr);
+               *val = in_le16(addr);
                break;
        default:
-               *val = in_le32((u32 *)addr);
+               *val = in_le32(addr);
                break;
        }
        return PCIBIOS_SUCCESSFUL;
@@ -416,7 +414,7 @@ static int u3_ht_write_config(struct pci_bus *bus, unsigned int devfn,
                                     int offset, int len, u32 val)
 {
        struct pci_controller *hose;
-       unsigned long addr;
+       volatile void __iomem *addr;
 
        hose = pci_bus_to_host(bus);
        if (hose == NULL)
@@ -442,16 +440,16 @@ static int u3_ht_write_config(struct pci_bus *bus, unsigned int devfn,
         */
        switch (len) {
        case 1:
-               out_8((u8 *)addr, val);
-               (void) in_8((u8 *)addr);
+               out_8(addr, val);
+               (void) in_8(addr);
                break;
        case 2:
-               out_le16((u16 *)addr, val);
-               (void) in_le16((u16 *)addr);
+               out_le16(addr, val);
+               (void) in_le16(addr);
                break;
        default:
-               out_le32((u32 *)addr, val);
-               (void) in_le32((u32 *)addr);
+               out_le32((u32 __iomem *)addr, val);
+               (void) in_le32(addr);
                break;
        }
        return PCIBIOS_SUCCESSFUL;
@@ -476,7 +474,7 @@ static struct pci_ops u3_ht_pci_ops =
         |(((unsigned int)(off)) & 0xfcU)       \
         |1UL)
 
-static unsigned long u4_pcie_cfg_access(struct pci_controller* hose,
+static volatile void __iomem *u4_pcie_cfg_access(struct pci_controller* hose,
                                        u8 bus, u8 dev_fn, int offset)
 {
        unsigned int caddr;
@@ -492,14 +490,14 @@ static unsigned long u4_pcie_cfg_access(struct pci_controller* hose,
        } while (in_le32(hose->cfg_addr) != caddr);
 
        offset &= 0x03;
-       return ((unsigned long)hose->cfg_data) + offset;
+       return hose->cfg_data + offset;
 }
 
 static int u4_pcie_read_config(struct pci_bus *bus, unsigned int devfn,
                               int offset, int len, u32 *val)
 {
        struct pci_controller *hose;
-       unsigned long addr;
+       volatile void __iomem *addr;
 
        hose = pci_bus_to_host(bus);
        if (hose == NULL)
@@ -515,13 +513,13 @@ static int u4_pcie_read_config(struct pci_bus *bus, unsigned int devfn,
         */
        switch (len) {
        case 1:
-               *val = in_8((u8 *)addr);
+               *val = in_8(addr);
                break;
        case 2:
-               *val = in_le16((u16 *)addr);
+               *val = in_le16(addr);
                break;
        default:
-               *val = in_le32((u32 *)addr);
+               *val = in_le32(addr);
                break;
        }
        return PCIBIOS_SUCCESSFUL;
@@ -531,7 +529,7 @@ static int u4_pcie_write_config(struct pci_bus *bus, unsigned int devfn,
                                int offset, int len, u32 val)
 {
        struct pci_controller *hose;
-       unsigned long addr;
+       volatile void __iomem *addr;
 
        hose = pci_bus_to_host(bus);
        if (hose == NULL)
@@ -547,16 +545,16 @@ static int u4_pcie_write_config(struct pci_bus *bus, unsigned int devfn,
         */
        switch (len) {
        case 1:
-               out_8((u8 *)addr, val);
-               (void) in_8((u8 *)addr);
+               out_8(addr, val);
+               (void) in_8(addr);
                break;
        case 2:
-               out_le16((u16 *)addr, val);
-               (void) in_le16((u16 *)addr);
+               out_le16(addr, val);
+               (void) in_le16(addr);
                break;
        default:
-               out_le32((u32 *)addr, val);
-               (void) in_le32((u32 *)addr);
+               out_le32(addr, val);
+               (void) in_le32(addr);
                break;
        }
        return PCIBIOS_SUCCESSFUL;
@@ -773,8 +771,7 @@ static void __init setup_u3_ht(struct pci_controller* hose)
         * the reg address cell, we shall fix that by killing struct
         * reg_property and using some accessor functions instead
         */
-       hose->cfg_data = (volatile unsigned char *)ioremap(0xf2000000,
-                                                          0x02000000);
+       hose->cfg_data = ioremap(0xf2000000, 0x02000000);
 
        /*
         * /ht node doesn't expose a "ranges" property, so we "remove"