This patch just simplifies the existing code logic while fetching
the SLB size property from the device tree. This also changes the
function name from check_cpu_slb_size to init_mmu_slb_size as
it just initializes the mmu_slb_size value.
Signed-off-by: Anshuman Khandual <khand...@linux.vnet.ibm.com>
---
arch/powerpc/kernel/prom.c | 18 +++++++-----------
1 file changed, 7 insertions(+), 11 deletions(-)
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 8b888b1..4bb43c0 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -218,22 +218,18 @@ static void __init check_cpu_pa_features(unsigned long
node)
}
#ifdef CONFIG_PPC_STD_MMU_64
-static void __init check_cpu_slb_size(unsigned long node)
+static void __init init_mmu_slb_size(unsigned long node)
{
const __be32 *slb_size_ptr;
- slb_size_ptr = of_get_flat_dt_prop(node, "slb-size", NULL);
- if (slb_size_ptr != NULL) {
- mmu_slb_size = be32_to_cpup(slb_size_ptr);
- return;
- }
- slb_size_ptr = of_get_flat_dt_prop(node, "ibm,slb-size", NULL);
- if (slb_size_ptr != NULL) {
+ slb_size_ptr = of_get_flat_dt_prop(node, "slb-size", NULL) ? :
+ of_get_flat_dt_prop(node, "ibm,slb-size", NULL);
+
+ if (slb_size_ptr)
mmu_slb_size = be32_to_cpup(slb_size_ptr);
- }
}
#else
-#define check_cpu_slb_size(node) do { } while(0)
+#define init_mmu_slb_size(node) do { } while(0)
#endif
static struct feature_property {
@@ -380,7 +376,7 @@ static int __init early_init_dt_scan_cpus(unsigned long
node,
check_cpu_feature_properties(node);
check_cpu_pa_features(node);
- check_cpu_slb_size(node);
+ init_mmu_slb_size(node);
#ifdef CONFIG_PPC64
if (nthreads > 1)
--
2.1.0
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