Commit 4f78a56a authored by Manivannan Sadhasivam's avatar Manivannan Sadhasivam Committed by Martin K. Petersen
Browse files

scsi: ufs: qcom: Allow passing platform specific OF data 



In order to allow platform specific flags and configurations, introduce the
platform specific OF data and move the existing quirk
UFSHCD_QUIRK_BROKEN_LSDBS_CAP for SM8550 and SM8650 SoCs.

Reviewed-by: default avatarAvri Altman <avri.altman@wdc.com>
Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org> # on SM8550-HDK
Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Signed-off-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241219-ufs-qcom-suspend-fix-v3-3-63c4b95a70b9@linaro.org


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent bb985070

drivers/ufs/host/ufs-qcom.c

+9 −4
Original line number Diff line number Diff line
@@ -871,6 +871,7 @@ static u32 ufs_qcom_get_ufs_hci_version(struct ufs_hba *hba) 
 */

static void ufs_qcom_advertise_quirks(struct ufs_hba *hba)

{

	const struct ufs_qcom_drvdata *drvdata = of_device_get_match_data(hba->dev);

	struct ufs_qcom_host *host = ufshcd_get_variant(hba);



	if (host->hw_ver.major == 0x2)
@@ -879,9 +880,8 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba) 
	if (host->hw_ver.major > 0x3)

		hba->quirks |= UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH;



	if (of_device_is_compatible(hba->dev->of_node, "qcom,sm8550-ufshc") ||

	    of_device_is_compatible(hba->dev->of_node, "qcom,sm8650-ufshc"))

		hba->quirks |= UFSHCD_QUIRK_BROKEN_LSDBS_CAP;

	if (drvdata && drvdata->quirks)

		hba->quirks |= drvdata->quirks;

}



static void ufs_qcom_set_phy_gear(struct ufs_qcom_host *host)
@@ -1865,9 +1865,14 @@ static void ufs_qcom_remove(struct platform_device *pdev) 
		platform_device_msi_free_irqs_all(hba->dev);

}



static const struct ufs_qcom_drvdata ufs_qcom_sm8550_drvdata = {

	.quirks = UFSHCD_QUIRK_BROKEN_LSDBS_CAP,

};



static const struct of_device_id ufs_qcom_of_match[] __maybe_unused = {

	{ .compatible = "qcom,ufshc" },

	{ .compatible = "qcom,sm8550-ufshc" },

	{ .compatible = "qcom,sm8550-ufshc", .data = &ufs_qcom_sm8550_drvdata },

	{ .compatible = "qcom,sm8650-ufshc", .data = &ufs_qcom_sm8550_drvdata },

	{},

};

MODULE_DEVICE_TABLE(of, ufs_qcom_of_match);

drivers/ufs/host/ufs-qcom.h

+4 −0
Original line number Diff line number Diff line
@@ -217,6 +217,10 @@ struct ufs_qcom_host { 
	bool esi_enabled;

};



struct ufs_qcom_drvdata {

	enum ufshcd_quirks quirks;

};



static inline u32

ufs_qcom_get_debug_reg_offset(struct ufs_qcom_host *host, u32 reg)

{