Linux-libre 4.8.2-gnupck-4.8.2-gnu

2 files changed, 44 insertions, 31 deletions

diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index d7cab724f..4731d3241 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -23,7 +23,7 @@
 #include <scsi/sas_ata.h>
 #include <scsi/libsas.h>
 
-#define DRV_VERSION "v1.4"
+#define DRV_VERSION "v1.5"
 
 #define HISI_SAS_MAX_PHYS	9
 #define HISI_SAS_MAX_QUEUES	32
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index bd20c5488..f96560431 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -721,30 +721,41 @@ static int reset_hw_v2_hw(struct hisi_hba *hisi_hba)
 			return -EIO;
 	}
 
-	/* reset and disable clock*/
-	regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
-			reset_val);
-	regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4,
-			reset_val);
-	msleep(1);
-	regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
-	if (reset_val != (val & reset_val)) {
-		dev_err(dev, "SAS reset fail.\n");
-		return -EIO;
-	}
+	if (ACPI_HANDLE(dev)) {
+		acpi_status s;
 
-	/* De-reset and enable clock*/
-	regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4,
-			reset_val);
-	regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg,
-			reset_val);
-	msleep(1);
-	regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg,
-			&val);
-	if (val & reset_val) {
-		dev_err(dev, "SAS de-reset fail.\n");
-		return -EIO;
-	}
+		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) {
+		/* reset and disable clock*/
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
+				reset_val);
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4,
+				reset_val);
+		msleep(1);
+		regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
+		if (reset_val != (val & reset_val)) {
+			dev_err(dev, "SAS reset fail.\n");
+			return -EIO;
+		}
+
+		/* De-reset and enable clock*/
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4,
+				reset_val);
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg,
+				reset_val);
+		msleep(1);
+		regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg,
+				&val);
+		if (val & reset_val) {
+			dev_err(dev, "SAS de-reset fail.\n");
+			return -EIO;
+		}
+	} else
+		dev_warn(dev, "no reset method\n");
 
 	return 0;
 }
@@ -752,13 +763,12 @@ static int reset_hw_v2_hw(struct hisi_hba *hisi_hba)
 static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
 {
 	struct device *dev = &hisi_hba->pdev->dev;
-	struct device_node *np = dev->of_node;
 	int i;
 
 	/* Global registers init */
 
 	/* Deal with am-max-transmissions quirk */
-	if (of_get_property(np, "hip06-sas-v2-quirk-amt", NULL)) {
+	if (device_property_present(dev, "hip06-sas-v2-quirk-amt")) {
 		hisi_sas_write32(hisi_hba, AM_CFG_MAX_TRANS, 0x2020);
 		hisi_sas_write32(hisi_hba, AM_CFG_SINGLE_PORT_MAX_TRANS,
 				 0x2020);
@@ -1902,14 +1912,9 @@ static void phy_bcast_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
 	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
 	struct asd_sas_phy *sas_phy = &phy->sas_phy;
 	struct sas_ha_struct *sas_ha = &hisi_hba->sha;
-	unsigned long flags;
 
 	hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1);
-
-	spin_lock_irqsave(&hisi_hba->lock, flags);
 	sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
-	spin_unlock_irqrestore(&hisi_hba->lock, flags);
-
 	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
 			     CHL_INT0_SL_RX_BCST_ACK_MSK);
 	hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0);
@@ -2260,12 +2265,20 @@ static const struct of_device_id sas_v2_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, sas_v2_of_match);
 
+static const struct acpi_device_id sas_v2_acpi_match[] = {
+	{ "HISI0162", 0 },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(acpi, sas_v2_acpi_match);
+
 static struct platform_driver hisi_sas_v2_driver = {
 	.probe = hisi_sas_v2_probe,
 	.remove = hisi_sas_v2_remove,
 	.driver = {
 		.name = DRV_NAME,
 		.of_match_table = sas_v2_of_match,
+		.acpi_match_table = ACPI_PTR(sas_v2_acpi_match),
 	},
 };