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authorAnup Patel <apatel@ventanamicro.com>2023-04-19 16:54:13 +0530
committerAnup Patel <anup@brainfault.org>2023-06-05 15:55:56 +0530
commit5a8cfcdf19d98b8dc5dd5a087a2eceb7f5b185fb (patch)
treeb313683b7c6a192b473931f3ecf0f54552fdeae3 /lib/utils/ipi
parent903e88caaf9404a52ed90fcf1e594eb2f8ff1a0c (diff)
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lib: utils/ipi: Use heap in ACLINT MSWI driver
Let's use heap allocation in ACLINT MSWI driver instead of using a fixed size global array. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Diffstat (limited to 'lib/utils/ipi')
-rw-r--r--lib/utils/ipi/fdt_ipi_mswi.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/lib/utils/ipi/fdt_ipi_mswi.c b/lib/utils/ipi/fdt_ipi_mswi.c
index 4dc91f2..e3a6378 100644
--- a/lib/utils/ipi/fdt_ipi_mswi.c
+++ b/lib/utils/ipi/fdt_ipi_mswi.c
@@ -8,15 +8,11 @@
*/
#include <sbi/sbi_error.h>
+#include <sbi/sbi_heap.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/ipi/fdt_ipi.h>
#include <sbi_utils/ipi/aclint_mswi.h>
-#define MSWI_MAX_NR 16
-
-static unsigned long mswi_count = 0;
-static struct aclint_mswi_data mswi[MSWI_MAX_NR];
-
static int ipi_mswi_cold_init(void *fdt, int nodeoff,
const struct fdt_match *match)
{
@@ -24,15 +20,17 @@ static int ipi_mswi_cold_init(void *fdt, int nodeoff,
unsigned long offset;
struct aclint_mswi_data *ms;
- if (MSWI_MAX_NR <= mswi_count)
- return SBI_ENOSPC;
- ms = &mswi[mswi_count];
+ ms = sbi_zalloc(sizeof(*ms));
+ if (!ms)
+ return SBI_ENOMEM;
rc = fdt_parse_aclint_node(fdt, nodeoff, false,
&ms->addr, &ms->size, NULL, NULL,
&ms->first_hartid, &ms->hart_count);
- if (rc)
+ if (rc) {
+ sbi_free(ms);
return rc;
+ }
if (match->data) {
/* Adjust MSWI address and size for CLINT device */
@@ -44,10 +42,11 @@ static int ipi_mswi_cold_init(void *fdt, int nodeoff,
}
rc = aclint_mswi_cold_init(ms);
- if (rc)
+ if (rc) {
+ sbi_free(ms);
return rc;
+ }
- mswi_count++;
return 0;
}