[PATCH v4 04/16] scsi: ufs: ufs-exynos: simplify drv_data retrieval

[Chanho Park <chanho61.park@samsung.com>]

The compatible field of exynos_ufs_drv_data is not necessary because
of_device_id already has it. Thus, we don't need it anymore and we can
get drv_data by device_get_match_data.

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
---
 drivers/scsi/ufs/ufs-exynos.c | 10 +---------
 drivers/scsi/ufs/ufs-exynos.h |  3 +--
 2 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index a14dd8ce56d4..8a17ba32a721 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -893,17 +893,10 @@ static int exynos_ufs_post_link(struct ufs_hba *hba)
 static int exynos_ufs_parse_dt(struct device *dev, struct exynos_ufs *ufs)
 {
 	struct device_node *np = dev->of_node;
-	struct exynos_ufs_drv_data *drv_data = &exynos_ufs_drvs;
 	struct exynos_ufs_uic_attr *attr;
 	int ret = 0;
 
-	while (drv_data->compatible) {
-		if (of_device_is_compatible(np, drv_data->compatible)) {
-			ufs->drv_data = drv_data;
-			break;
-		}
-		drv_data++;
-	}
+	ufs->drv_data = device_get_match_data(dev);
 
 	if (ufs->drv_data && ufs->drv_data->uic_attr) {
 		attr = ufs->drv_data->uic_attr;
@@ -1258,7 +1251,6 @@ static struct exynos_ufs_uic_attr exynos7_uic_attr = {
 };
 
 static struct exynos_ufs_drv_data exynos_ufs_drvs = {
-	.compatible		= "samsung,exynos7-ufs",
 	.uic_attr		= &exynos7_uic_attr,
 	.quirks			= UFSHCD_QUIRK_PRDT_BYTE_GRAN |
 				  UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR |
diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h
index 0a31f77a5f48..2e72aabaa673 100644
--- a/drivers/scsi/ufs/ufs-exynos.h
+++ b/drivers/scsi/ufs/ufs-exynos.h
@@ -142,7 +142,6 @@ struct exynos_ufs_uic_attr {
 };
 
 struct exynos_ufs_drv_data {
-	char *compatible;
 	struct exynos_ufs_uic_attr *uic_attr;
 	unsigned int quirks;
 	unsigned int opts;
@@ -191,7 +190,7 @@ struct exynos_ufs {
 	struct ufs_pa_layer_attr dev_req_params;
 	struct ufs_phy_time_cfg t_cfg;
 	ktime_t entry_hibern8_t;
-	struct exynos_ufs_drv_data *drv_data;
+	const struct exynos_ufs_drv_data *drv_data;
 
 	u32 opts;
 #define EXYNOS_UFS_OPT_HAS_APB_CLK_CTRL		BIT(0)
-- 
2.33.0