[PATCH v3 2/5] soc: hisilicon: kunpeng_hccs: Add failure log for no _CRS method

Huisong Li
2023-12-01T03:45:47Z

Driver gets the PCC channel id by using the PCC GAS in _CRS.
But, currently, if the firmware has no _CRS method on platform, there
is not any failure log. So this patch adds the log for this.

Signed-off-by: Huisong Li <lihuisong@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/soc/hisilicon/kunpeng_hccs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c
index dad6235dbf1a..fd3ca0eb8175 100644
--- a/drivers/soc/hisilicon/kunpeng_hccs.c
+++ b/drivers/soc/hisilicon/kunpeng_hccs.c
@@ -85,8 +85,10 @@ static int hccs_get_pcc_chan_id(struct hccs_dev *hdev)
struct hccs_register_ctx ctx = {0};
acpi_status status;

- if (!acpi_has_method(handle, METHOD_NAME__CRS))
+ if (!acpi_has_method(handle, METHOD_NAME__CRS)) {
+ dev_err(hdev->dev, "No _CRS method.\n");
return -ENODEV;
+ }

ctx.dev = hdev->dev;
status = acpi_walk_resources(handle, METHOD_NAME__CRS,
--
2.33.0