From 1ce5898af55e23e933f6a68d102d4be730e9b503 Mon Sep 17 00:00:00 2001 From: Yaniv Gardi Date: Wed, 28 Oct 2015 13:15:47 +0200 Subject: scsi: ufs: add ufshcd_get_variant ufshcd_set_variant This patch adds ufshcd_get_variant() and ufshcd_set_variant() routines in order to get/set the variant specific data. Reviewed-by: Akinobu Mita Reviewed-by: Subhash Jadavani Reviewed-by: Gilad Broner Signed-off-by: Yaniv Gardi Tested-by: Alim Akhtar Reviewed-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- drivers/scsi/ufs/ufs-qcom.c | 34 +++++++++++++++++----------------- drivers/scsi/ufs/ufshcd.h | 21 +++++++++++++++++++++ 2 files changed, 38 insertions(+), 17 deletions(-) (limited to 'drivers/scsi') diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index 6c23bbfe8d36..64c54b79051e 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -155,7 +155,7 @@ out: static int ufs_qcom_link_startup_post_change(struct ufs_hba *hba) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); struct phy *phy = host->generic_phy; u32 tx_lanes; int err = 0; @@ -211,7 +211,7 @@ static int ufs_qcom_check_hibern8(struct ufs_hba *hba) static int ufs_qcom_power_up_sequence(struct ufs_hba *hba) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); struct phy *phy = host->generic_phy; int ret = 0; bool is_rate_B = (UFS_QCOM_LIMIT_HS_RATE == PA_HS_MODE_B) @@ -273,7 +273,7 @@ static void ufs_qcom_enable_hw_clk_gating(struct ufs_hba *hba) static int ufs_qcom_hce_enable_notify(struct ufs_hba *hba, bool status) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); int err = 0; switch (status) { @@ -307,7 +307,7 @@ static int ufs_qcom_hce_enable_notify(struct ufs_hba *hba, bool status) static unsigned long ufs_qcom_cfg_timers(struct ufs_hba *hba, u32 gear, u32 hs, u32 rate) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); struct ufs_clk_info *clki; u32 core_clk_period_in_ns; u32 tx_clk_cycles_per_us = 0; @@ -448,7 +448,7 @@ static int ufs_qcom_link_startup_notify(struct ufs_hba *hba, bool status) static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); struct phy *phy = host->generic_phy; int ret = 0; @@ -479,7 +479,7 @@ out: static int ufs_qcom_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); struct phy *phy = host->generic_phy; int err; @@ -621,7 +621,7 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba, struct ufs_pa_layer_attr *dev_req_params) { u32 val; - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); struct phy *phy = host->generic_phy; struct ufs_qcom_dev_params ufs_qcom_cap; int ret = 0; @@ -696,7 +696,7 @@ out: static u32 ufs_qcom_get_ufs_hci_version(struct ufs_hba *hba) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); if (host->hw_ver.major == 0x1) return UFSHCI_VERSION_11; @@ -715,7 +715,7 @@ static u32 ufs_qcom_get_ufs_hci_version(struct ufs_hba *hba) */ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); if (host->hw_ver.major == 0x01) { hba->quirks |= UFSHCD_QUIRK_DELAY_BEFORE_DME_CMDS @@ -740,7 +740,7 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba) static void ufs_qcom_set_caps(struct ufs_hba *hba) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); if (host->hw_ver.major >= 0x2) host->caps = UFS_QCOM_CAP_QUNIPRO; @@ -811,7 +811,7 @@ static void ufs_qcom_get_speed_mode(struct ufs_pa_layer_attr *p, char *result) static int ufs_qcom_setup_clocks(struct ufs_hba *hba, bool on) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); int err = 0; int vote = 0; @@ -866,7 +866,7 @@ show_ufs_to_mem_max_bus_bw(struct device *dev, struct device_attribute *attr, char *buf) { struct ufs_hba *hba = dev_get_drvdata(dev); - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); return snprintf(buf, PAGE_SIZE, "%u\n", host->bus_vote.is_max_bw_needed); @@ -877,7 +877,7 @@ store_ufs_to_mem_max_bus_bw(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct ufs_hba *hba = dev_get_drvdata(dev); - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); uint32_t value; if (!kstrtou32(buf, 0, &value)) { @@ -954,7 +954,7 @@ static int ufs_qcom_init(struct ufs_hba *hba) } host->hba = hba; - hba->priv = (void *)host; + ufshcd_set_variant(hba, host); host->generic_phy = devm_phy_get(dev, "ufsphy"); @@ -1003,14 +1003,14 @@ out_unregister_bus: phy_exit(host->generic_phy); out_host_free: devm_kfree(dev, host); - hba->priv = NULL; + ufshcd_set_variant(hba, NULL); out: return err; } static void ufs_qcom_exit(struct ufs_hba *hba) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); ufs_qcom_disable_lane_clks(host); phy_power_off(host->generic_phy); @@ -1019,7 +1019,7 @@ static void ufs_qcom_exit(struct ufs_hba *hba) static void ufs_qcom_clk_scale_notify(struct ufs_hba *hba) { - struct ufs_qcom_host *host = hba->priv; + struct ufs_qcom_host *host = ufshcd_get_variant(hba); struct ufs_pa_layer_attr *dev_req_params = &host->dev_req_params; if (!dev_req_params) diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index c40a0e78a6c4..54e7afb4a432 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -594,6 +594,27 @@ static inline void check_upiu_size(void) GENERAL_UPIU_REQUEST_SIZE + QUERY_DESC_MAX_SIZE); } +/** + * ufshcd_set_variant - set variant specific data to the hba + * @hba - per adapter instance + * @variant - pointer to variant specific data + */ +static inline void ufshcd_set_variant(struct ufs_hba *hba, void *variant) +{ + BUG_ON(!hba); + hba->priv = variant; +} + +/** + * ufshcd_get_variant - get variant specific data from the hba + * @hba - per adapter instance + */ +static inline void *ufshcd_get_variant(struct ufs_hba *hba) +{ + BUG_ON(!hba); + return hba->priv; +} + extern int ufshcd_runtime_suspend(struct ufs_hba *hba); extern int ufshcd_runtime_resume(struct ufs_hba *hba); extern int ufshcd_runtime_idle(struct ufs_hba *hba); -- cgit v1.2.3