riscv: check for kernel config option in t-head memory
From: Heiko Stuebner <heiko@...> Date: Thu, 1 Sep 2022 16:57:15 +0200
Commit-Message
The t-head variant of page-based memory types should also check first for the enabled kernel config option. Fixes: a35707c3d850 ("riscv: add memory-type errata for T-Head") Signed-off-by: Heiko Stuebner <heiko@...> Reviewed-by: Conor Dooley <conor.dooley@...> Reviewed-by: Andrew Jones <ajones@...>
Patch-Comment
arch/riscv/errata/thead/errata.c | 3 +++ 1 file changed, 3 insertions(+)
Statistics
- 3 lines added
- 0 lines removed
Changes
----------------------- arch/riscv/errata/thead/errata.c -----------------------
index a6f4bd8ccf3f..902e12452821 100644
@@ -17,6 +17,9 @@
static bool errata_probe_pbmt(unsigned int stage,
unsigned long arch_id, unsigned long impid)
{
+ if (!IS_ENABLED(CONFIG_ERRATA_THEAD_PBMT))
+ return false;
+
if (arch_id != 0 || impid != 0)
return false;