hisi_sas: add v1 hw ACPI support (37ffee4a) · Commits · 戴 / test

drivers/scsi/hisi_sas/hisi_sas_v1_hw.c

+43 −24

Original line number	Diff line number	Diff line
		@@ -623,6 +623,15 @@ static int reset_hw_v1_hw(struct hisi_hba *hisi_hba)
		return -EIO;
		}

		if (ACPI_HANDLE(dev)) {
		acpi_status s;

		s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
		if (ACPI_FAILURE(s)) {
		dev_err(dev, "Reset failed\n");
		return -EIO;
		}
		} else if (hisi_hba->ctrl) {
		/* Apply reset and disable clock */
		/* clk disable reg is offset by +4 bytes from clk enable reg */
		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
		@@ -648,6 +657,8 @@ static int reset_hw_v1_hw(struct hisi_hba *hisi_hba)
		dev_err(dev, "De-reset failed\n");
		return -EIO;
		}
		} else
		dev_warn(dev, "no reset method\n");

		return 0;
		}
		@@ -1831,12 +1842,20 @@ static const struct of_device_id sas_v1_of_match[] = {
		};
		MODULE_DEVICE_TABLE(of, sas_v1_of_match);

		static const struct acpi_device_id sas_v1_acpi_match[] = {
		{ "HISI0161", 0 },
		{ }
		};

		MODULE_DEVICE_TABLE(acpi, sas_v1_acpi_match);

		static struct platform_driver hisi_sas_v1_driver = {
		.probe = hisi_sas_v1_probe,
		.remove = hisi_sas_v1_remove,
		.driver = {
		.name = DRV_NAME,
		.of_match_table = sas_v1_of_match,
		.acpi_match_table = ACPI_PTR(sas_v1_acpi_match),
		},
		};