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path: root/drivers/ata/ahci_mtk.c
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Diffstat (limited to 'drivers/ata/ahci_mtk.c')
-rw-r--r--drivers/ata/ahci_mtk.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/ata/ahci_mtk.c b/drivers/ata/ahci_mtk.c
index 8bc1a26ffc31..7295b9066ae2 100644
--- a/drivers/ata/ahci_mtk.c
+++ b/drivers/ata/ahci_mtk.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* MediaTek AHCI SATA driver
*
* Copyright (c) 2017 MediaTek Inc.
* Author: Ryder Lee <ryder.lee@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/ahci_platform.h>
@@ -19,6 +11,7 @@
#include <linux/libata.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/regmap.h>
@@ -45,7 +38,7 @@ static const struct ata_port_info ahci_port_info = {
.port_ops = &ahci_platform_ops,
};
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
AHCI_SHT(DRV_NAME),
};
@@ -114,7 +107,7 @@ static int mtk_ahci_parse_property(struct ahci_host_priv *hpriv,
struct device_node *np = dev->of_node;
/* enable SATA function if needed */
- if (of_find_property(np, "mediatek,phy-mode", NULL)) {
+ if (of_property_present(np, "mediatek,phy-mode")) {
plat->mode = syscon_regmap_lookup_by_phandle(
np, "mediatek,phy-mode");
if (IS_ERR(plat->mode)) {
@@ -126,8 +119,6 @@ static int mtk_ahci_parse_property(struct ahci_host_priv *hpriv,
SYS_CFG_SATA_EN);
}
- of_property_read_u32(np, "ports-implemented", &hpriv->force_port_map);
-
return 0;
}
@@ -177,7 +168,7 @@ static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
static const struct of_device_id ahci_of_match[] = {
{ .compatible = "mediatek,mtk-ahci", },
- {},
+ { /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, ahci_of_match);