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Diffstat (limited to 'arch/riscv/mm/cacheflush.c')
-rw-r--r--arch/riscv/mm/cacheflush.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c
index b2e4b81763f88..bf9a3b5aae737 100644
--- a/arch/riscv/mm/cacheflush.c
+++ b/arch/riscv/mm/cacheflush.c
@@ -114,6 +114,9 @@ EXPORT_SYMBOL_GPL(riscv_cbom_block_size);
unsigned int riscv_cboz_block_size;
EXPORT_SYMBOL_GPL(riscv_cboz_block_size);
+unsigned int riscv_cbop_block_size;
+EXPORT_SYMBOL_GPL(riscv_cbop_block_size);
+
static void __init cbo_get_block_size(struct device_node *node,
const char *name, u32 *block_size,
unsigned long *first_hartid)
@@ -138,8 +141,8 @@ static void __init cbo_get_block_size(struct device_node *node,
void __init riscv_init_cbo_blocksizes(void)
{
- unsigned long cbom_hartid, cboz_hartid;
- u32 cbom_block_size = 0, cboz_block_size = 0;
+ unsigned long cbom_hartid, cboz_hartid, cbop_hartid;
+ u32 cbom_block_size = 0, cboz_block_size = 0, cbop_block_size = 0;
struct device_node *node;
struct acpi_table_header *rhct;
acpi_status status;
@@ -151,13 +154,15 @@ void __init riscv_init_cbo_blocksizes(void)
&cbom_block_size, &cbom_hartid);
cbo_get_block_size(node, "riscv,cboz-block-size",
&cboz_block_size, &cboz_hartid);
+ cbo_get_block_size(node, "riscv,cbop-block-size",
+ &cbop_block_size, &cbop_hartid);
}
} else {
status = acpi_get_table(ACPI_SIG_RHCT, 0, &rhct);
if (ACPI_FAILURE(status))
return;
- acpi_get_cbo_block_size(rhct, &cbom_block_size, &cboz_block_size, NULL);
+ acpi_get_cbo_block_size(rhct, &cbom_block_size, &cboz_block_size, &cbop_block_size);
acpi_put_table((struct acpi_table_header *)rhct);
}
@@ -166,6 +171,9 @@ void __init riscv_init_cbo_blocksizes(void)
if (cboz_block_size)
riscv_cboz_block_size = cboz_block_size;
+
+ if (cbop_block_size)
+ riscv_cbop_block_size = cbop_block_size;
}
#ifdef CONFIG_SMP