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lib: utils/ipi: Use heap in ACLINT MSWI driver

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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>
This commit is contained in:
Anup Patel
2023-04-19 16:54:13 +05:30
committed by Anup Patel
parent 903e88caaf
commit 5a8cfcdf19
1 changed files with 10 additions and 11 deletions
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21
lib/utils/ipi/fdt_ipi_mswi.c
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@@ -8,15 +8,11 @@
*/ */
#include <sbi/sbi_error.h> #include <sbi/sbi_error.h>
#include <sbi/sbi_heap.h>
#include <sbi_utils/fdt/fdt_helper.h> #include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/ipi/fdt_ipi.h> #include <sbi_utils/ipi/fdt_ipi.h>
#include <sbi_utils/ipi/aclint_mswi.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, static int ipi_mswi_cold_init(void *fdt, int nodeoff,
const struct fdt_match *match) const struct fdt_match *match)
{ {
@@ -24,15 +20,17 @@ static int ipi_mswi_cold_init(void *fdt, int nodeoff,
unsigned long offset; unsigned long offset;
struct aclint_mswi_data *ms; struct aclint_mswi_data *ms;
if (MSWI_MAX_NR <= mswi_count) ms = sbi_zalloc(sizeof(*ms));
return SBI_ENOSPC; if (!ms)
ms = &mswi[mswi_count]; return SBI_ENOMEM;
rc = fdt_parse_aclint_node(fdt, nodeoff, false, rc = fdt_parse_aclint_node(fdt, nodeoff, false,
&ms->addr, &ms->size, NULL, NULL, &ms->addr, &ms->size, NULL, NULL,
&ms->first_hartid, &ms->hart_count); &ms->first_hartid, &ms->hart_count);
if (rc) if (rc) {
sbi_free(ms);
return rc; return rc;
}
if (match->data) { if (match->data) {
/* Adjust MSWI address and size for CLINT device */ /* 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); rc = aclint_mswi_cold_init(ms);
if (rc) if (rc) {
sbi_free(ms);
return rc; return rc;
}
mswi_count++;
return 0; return 0;
} }