hw/occ: Only allocate what we need for pstate dt

When constructing the pstate entries in the device tree we allocate
MAX_PSTATES, even though we know that there are nr_pstates.

Use this information to allocate nr_pstates and potentially save us some
heap.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/hw/occ.c b/hw/occ.c
index 987d0072..03240b3c 100644
--- a/hw/occ.c
+++ b/hw/occ.c
@@ -207,25 +207,25 @@ static bool add_cpu_pstate_properties(s8 *pstate_nom)
 
 	/* Setup arrays for device-tree */
 	/* Allocate memory */
-	dt_id = (u32 *) malloc(MAX_PSTATES * sizeof(u32));
+	dt_id = malloc(nr_pstates * sizeof(u32));
 	if (!dt_id) {
 		printf("OCC: dt_id array alloc failure\n");
 		goto out;
 	}
 
-	dt_freq = (u32 *) malloc(MAX_PSTATES * sizeof(u32));
+	dt_freq = malloc(nr_pstates * sizeof(u32));
 	if (!dt_freq) {
 		printf("OCC: dt_freq array alloc failure\n");
 		goto out_free_id;
 	}
 
-	dt_vdd = (u8 *) malloc(MAX_PSTATES * sizeof(u8));
+	dt_vdd = malloc(nr_pstates * sizeof(u8));
 	if (!dt_vdd) {
 		printf("OCC: dt_vdd array alloc failure\n");
 		goto out_free_freq;
 	}
 
-	dt_vcs = (u8 *) malloc(MAX_PSTATES * sizeof(u8));
+	dt_vcs = malloc(nr_pstates * sizeof(u8));
 	if (!dt_vcs) {
 		printf("OCC: dt_vcs array alloc failure\n");
 		goto out_free_vdd;