From: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
Add hisilicon timer specific erratum fixes.
Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
---
drivers/clocksource/arm_arch_timer.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 80d6f76..3e62a09 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -1156,10 +1156,32 @@ struct gtdt_arch_timer_fixup {
void *context;
};
+#ifdef CONFIG_HISILICON_ERRATUM_161010101
+static void __init hisi_erratum_workaroud_enable(void *context)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ool_workarounds); i++) {
+ if (!strcmp(context, ool_workarounds[i].id)) {
+ timer_unstable_counter_workaround = &ool_workarounds[i];
+ static_branch_enable(&arch_timer_read_ool_enabled);
+ pr_info("arch_timer: Enabling workaround for %s\n",
+ timer_unstable_counter_workaround->id);
+ break;
+ }
+ }
+}
+#endif
+
/* note: this needs to be updated according to the doc of OEM ID
* and TABLE ID for different board.
*/
static struct gtdt_arch_timer_fixup arch_timer_quirks[] __initdata = {
+#ifdef CONFIG_HISILICON_ERRATUM_161010101
+ {"HISI ", "HIP05 ", 0, &hisi_erratum_workaroud_enable, "hisilicon,erratum-161010101"},
+ {"HISI ", "HIP06 ", 0, &hisi_erratum_workaroud_enable, "hisilicon,erratum-161010101"},
+ {"HISI ", "HIP07 ", 0, &hisi_erratum_workaroud_enable, "hisilicon,erratum-161010101"},
+#endif
};
static void __init arch_timer_acpi_quirks_handler(char *oem_id,
--
1.7.12.4
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