]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
[POWERPC] cell: fix bugs found by sparse
authorArnd Bergmann <arnd@arndb.de>
Wed, 4 Oct 2006 15:26:24 +0000 (17:26 +0200)
committerPaul Mackerras <paulus@samba.org>
Wed, 4 Oct 2006 23:21:02 +0000 (09:21 +1000)
- Some long constants should be marked 'ul'.
- When using desc->handler_data to pass an __iomem
  register area, we need to add casts to and from
  __iomem.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
arch/powerpc/platforms/cell/interrupt.c
arch/powerpc/platforms/cell/iommu.c
arch/powerpc/platforms/cell/spider-pic.c

index 6cc59e0b458221575d6af8fbcf10b2da71cf8c6d..8533f13a5ed1b09941606c9bebd057ae68df9601 100644 (file)
@@ -101,7 +101,7 @@ static void iic_ioexc_eoi(unsigned int irq)
 static void iic_ioexc_cascade(unsigned int irq, struct irq_desc *desc,
                            struct pt_regs *regs)
 {
-       struct cbe_iic_regs *node_iic = desc->handler_data;
+       struct cbe_iic_regs __iomem *node_iic = (void __iomem *)desc->handler_data;
        unsigned int base = (irq & 0xffffff00) | IIC_IRQ_TYPE_IOEXC;
        unsigned long bits, ack;
        int cascade;
@@ -320,7 +320,7 @@ static int __init setup_iic(void)
        struct device_node *dn;
        struct resource r0, r1;
        unsigned int node, cascade, found = 0;
-       struct cbe_iic_regs *node_iic;
+       struct cbe_iic_regs __iomem *node_iic;
        const u32 *np;
 
        for (dn = NULL;
@@ -357,7 +357,11 @@ static int __init setup_iic(void)
                cascade = irq_create_mapping(iic_host, cascade);
                if (cascade == NO_IRQ)
                        continue;
-               set_irq_data(cascade, node_iic);
+               /*
+                * irq_data is a generic pointer that gets passed back
+                * to us later, so the forced cast is fine.
+                */
+               set_irq_data(cascade, (void __force *)node_iic);
                set_irq_chained_handler(cascade , iic_ioexc_cascade);
                out_be64(&node_iic->iic_ir,
                         (1 << 12)              /* priority */ |
index d2b20eba5b87270d21ca78ea2b892bbf361c8aff..aca4c3db0dde3431b3ff96eb0567442641a42f65 100644 (file)
@@ -345,8 +345,8 @@ static int cell_map_iommu_hardcoded(int num_nodes)
 
        /* node 0 */
        iommu = &cell_iommus[0];
-       iommu->mapped_base = ioremap(0x20000511000, 0x1000);
-       iommu->mapped_mmio_base = ioremap(0x20000510000, 0x1000);
+       iommu->mapped_base = ioremap(0x20000511000ul, 0x1000);
+       iommu->mapped_mmio_base = ioremap(0x20000510000ul, 0x1000);
 
        enable_mapping(iommu->mapped_base, iommu->mapped_mmio_base);
 
@@ -358,8 +358,8 @@ static int cell_map_iommu_hardcoded(int num_nodes)
 
        /* node 1 */
        iommu = &cell_iommus[1];
-       iommu->mapped_base = ioremap(0x30000511000, 0x1000);
-       iommu->mapped_mmio_base = ioremap(0x30000510000, 0x1000);
+       iommu->mapped_base = ioremap(0x30000511000ul, 0x1000);
+       iommu->mapped_mmio_base = ioremap(0x30000510000ul, 0x1000);
 
        enable_mapping(iommu->mapped_base, iommu->mapped_mmio_base);
 
index 6794de0cc0f0605e9c71567c1657fab9904f12ce..b0e95d594c5123153cf4f370e4488cf51f3e0652 100644 (file)
@@ -367,7 +367,7 @@ void __init spider_init_IRQ(void)
                } else if (device_is_compatible(dn, "sti,platform-spider-pic")
                           && (chip < 2)) {
                        static long hard_coded_pics[] =
-                               { 0x24000008000, 0x34000008000 };
+                               { 0x24000008000ul, 0x34000008000ul};
                        r.start = hard_coded_pics[chip];
                } else
                        continue;