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lib: utils/ipi: Initialize all matching ipi DT nodes

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We can have multiple matching DT nodes of the same FDT ipi driver
so in this case we should call cold_init() for all matching DT nodes
instead of just first matching DT node.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-05-13 13:14:33 +05:30
committed by Anup Patel
parent 569dd64b72
commit 6956e83a94
2 changed files with 24 additions and 13 deletions
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22
lib/utils/ipi/fdt_ipi.c
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@@ -69,17 +69,19 @@ static int fdt_ipi_cold_init(void)
for (pos = 0; pos < array_size(ipi_drivers); pos++) { for (pos = 0; pos < array_size(ipi_drivers); pos++) {
drv = ipi_drivers[pos]; drv = ipi_drivers[pos];
noff = fdt_find_match(fdt, -1, drv->match_table, &match); noff = -1;
if (noff < 0) while ((noff = fdt_find_match(fdt, noff,
continue; drv->match_table, &match)) >= 0) {
if (drv->cold_init) {
if (drv->cold_init) { rc = drv->cold_init(fdt, noff, match);
rc = drv->cold_init(fdt, noff, match); if (rc)
if (rc) return rc;
return rc; }
current_driver = drv;
} }
current_driver = drv;
break; if (current_driver != &dummy)
break;
} }
return 0; return 0;

15
lib/utils/ipi/fdt_ipi_clint.c
View File

@@ -7,22 +7,31 @@
* Anup Patel <anup.patel@wdc.com> * Anup Patel <anup.patel@wdc.com>
*/ */
#include <sbi/sbi_error.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/sys/clint.h> #include <sbi_utils/sys/clint.h>
static struct clint_data clint_ipi; #define CLINT_IPI_MAX_NR 16
static unsigned long clint_ipi_count = 0;
static struct clint_data clint_ipi[CLINT_IPI_MAX_NR];
static int ipi_clint_cold_init(void *fdt, int nodeoff, static int ipi_clint_cold_init(void *fdt, int nodeoff,
const struct fdt_match *match) const struct fdt_match *match)
{ {
int rc; int rc;
struct clint_data *ci;
rc = fdt_parse_clint_node(fdt, nodeoff, FALSE, &clint_ipi); if (CLINT_IPI_MAX_NR <= clint_ipi_count)
return SBI_ENOSPC;
ci = &clint_ipi[clint_ipi_count++];
rc = fdt_parse_clint_node(fdt, nodeoff, FALSE, ci);
if (rc) if (rc)
return rc; return rc;
return clint_cold_ipi_init(&clint_ipi); return clint_cold_ipi_init(ci);
} }
static const struct fdt_match ipi_clint_match[] = { static const struct fdt_match ipi_clint_match[] = {