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UPSTREAM: scsi: ufs: ufs-exynos: Support custom version of ufs_hba_variant_ops

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By default, ufs_hba_exynos_ops will be used. Add support for a custom
version of ufs_hba_variant_ops because some variants of exynos-ufs will use
only few callbacks.

Link: https://lore.kernel.org/r/20211018124216.153072-8-chanho61.park@samsung.com
Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Kiwoong Kim <kwmad.kim@samsung.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Bug: 234653003
(cherry picked from commit 533b81d674)
Change-Id: I34233f15c0447c33c934eaaf724d3dc4506f141a
Signed-off-by: Bart Van Assche <bvanassche@google.com>
This commit is contained in:
Chanho Park
2021-10-18 21:42:08 +09:00
committed by Bart Van Assche
parent 47a41dbf33
commit 4d7b6190b2
2 changed files with 8 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/scsi/ufs/ufs-exynos.c
View File

@@ -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);

1
drivers/scsi/ufs/ufs-exynos.h
View File

@@ -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;