aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/pseries/iommu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/pseries/iommu.c')
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 36eb1ddbac69..03bbb299320e 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -105,7 +105,7 @@ static int tce_build_pSeries(struct iommu_table *tbl, long index,
unsigned long attrs)
{
u64 proto_tce;
- __be64 *tcep, *tces;
+ __be64 *tcep;
u64 rpn;
proto_tce = TCE_PCI_READ; // Read allowed
@@ -113,7 +113,7 @@ static int tce_build_pSeries(struct iommu_table *tbl, long index,
if (direction != DMA_TO_DEVICE)
proto_tce |= TCE_PCI_WRITE;
- tces = tcep = ((__be64 *)tbl->it_base) + index;
+ tcep = ((__be64 *)tbl->it_base) + index;
while (npages--) {
/* can't move this out since we might cross MEMBLOCK boundary */
@@ -129,9 +129,9 @@ static int tce_build_pSeries(struct iommu_table *tbl, long index,
static void tce_free_pSeries(struct iommu_table *tbl, long index, long npages)
{
- __be64 *tcep, *tces;
+ __be64 *tcep;
- tces = tcep = ((__be64 *)tbl->it_base) + index;
+ tcep = ((__be64 *)tbl->it_base) + index;
while (npages--)
*(tcep++) = 0;
@@ -945,7 +945,7 @@ static phys_addr_t ddw_memory_hotplug_max(void)
for_each_node_by_type(memory, "memory") {
unsigned long start, size;
- int ranges, n_mem_addr_cells, n_mem_size_cells, len;
+ int n_mem_addr_cells, n_mem_size_cells, len;
const __be32 *memcell_buf;
memcell_buf = of_get_property(memory, "reg", &len);
@@ -955,9 +955,6 @@ static phys_addr_t ddw_memory_hotplug_max(void)
n_mem_addr_cells = of_n_addr_cells(memory);
n_mem_size_cells = of_n_size_cells(memory);
- /* ranges in cell */
- ranges = (len >> 2) / (n_mem_addr_cells + n_mem_size_cells);
-
start = of_read_number(memcell_buf, n_mem_addr_cells);
memcell_buf += n_mem_addr_cells;
size = of_read_number(memcell_buf, n_mem_size_cells);