[PATCH v5 07/15] scsi: ufs: ufs-exynos: support custom version of ufs_hba_variant_ops
From: Chanho Park <hidden>
Date: 2021-10-18 12:45:23
Also in:
linux-samsung-soc
Subsystem:
scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
By default, ufs_hba_exynos_ops will be used but this patch supports to use custom version of ufs_hba_variant_ops because some variants of exynos-ufs will use only few callbacks. Cc: Alim Akhtar <alim.akhtar@samsung.com> Cc: Kiwoong Kim <redacted> Cc: Krzysztof Kozlowski <redacted> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by: Chanho Park <redacted> --- drivers/scsi/ufs/ufs-exynos.c | 8 +++++++- drivers/scsi/ufs/ufs-exynos.h | 1 + 2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 226e7e64fad4..5536b104794a 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c@@ -1237,8 +1237,14 @@ static int exynos_ufs_probe(struct platform_device *pdev) { int err; struct device *dev = &pdev->dev; + const struct ufs_hba_variant_ops *vops = &ufs_hba_exynos_ops; + const struct exynos_ufs_drv_data *drv_data = + device_get_match_data(dev); - err = ufshcd_pltfrm_init(pdev, &ufs_hba_exynos_ops); + if (drv_data && drv_data->vops) + vops = drv_data->vops; + + err = ufshcd_pltfrm_init(pdev, vops); if (err) dev_err(dev, "ufshcd_pltfrm_init() failed %d\n", err);
diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h
index 2e72aabaa673..74f556d8a003 100644
--- a/drivers/scsi/ufs/ufs-exynos.h
+++ b/drivers/scsi/ufs/ufs-exynos.h@@ -142,6 +142,7 @@ struct exynos_ufs_uic_attr { }; struct exynos_ufs_drv_data { + const struct ufs_hba_variant_ops *vops; struct exynos_ufs_uic_attr *uic_attr; unsigned int quirks; unsigned int opts;
--
2.33.0