diff options
author | Stanley Chu <stanley.chu@mediatek.com> | 2020-05-09 17:37:13 +0800 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-05-14 21:02:22 -0400 |
commit | 90b8491c0033915ec1b290bc1c0de27935cb132d (patch) | |
tree | 99e6acf06f3ac6acb67b79808420f8cf9cbf49a6 /drivers/scsi/ufs | |
parent | 0bd735df7681e41647a69b1fad0eb5594c60a727 (diff) | |
download | linux-90b8491c0033915ec1b290bc1c0de27935cb132d.tar.bz2 |
scsi: ufs: Introduce ufs_hba_variant_params to group customizable parameters
The UFS driver is growing more and more customizable parameters. Collect
them in one place.
Link: https://lore.kernel.org/r/20200509093716.21010-2-stanley.chu@mediatek.com
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs')
-rw-r--r-- | drivers/scsi/ufs/ufs-mediatek.c | 4 | ||||
-rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 38 | ||||
-rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 8 |
3 files changed, 24 insertions, 26 deletions
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 73e4a4f9a3a2..74baba93f51e 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -79,9 +79,9 @@ static int ufs_mtk_hce_enable_notify(struct ufs_hba *hba, if (status == PRE_CHANGE) { if (host->unipro_lpm) - hba->hba_enable_delay_us = 0; + hba->vps->hba_enable_delay_us = 0; else - hba->hba_enable_delay_us = 600; + hba->vps->hba_enable_delay_us = 600; } return 0; diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 426073a518ef..cdacbe6378a1 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -1353,23 +1353,6 @@ start_window: return 0; } -static struct devfreq_dev_profile ufs_devfreq_profile = { - .polling_ms = 100, - .target = ufshcd_devfreq_target, - .get_dev_status = ufshcd_devfreq_get_dev_status, -}; - -#if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) -static struct devfreq_simple_ondemand_data ufs_ondemand_data = { - .upthreshold = 70, - .downdifferential = 5, -}; - -static void *gov_data = &ufs_ondemand_data; -#else -static void *gov_data; /* NULL */ -#endif - static int ufshcd_devfreq_init(struct ufs_hba *hba) { struct list_head *clk_list = &hba->clk_list_head; @@ -1385,12 +1368,12 @@ static int ufshcd_devfreq_init(struct ufs_hba *hba) dev_pm_opp_add(hba->dev, clki->min_freq, 0); dev_pm_opp_add(hba->dev, clki->max_freq, 0); - ufshcd_vops_config_scaling_param(hba, &ufs_devfreq_profile, - gov_data); + ufshcd_vops_config_scaling_param(hba, &hba->vps->devfreq_profile, + &hba->vps->ondemand_data); devfreq = devfreq_add_device(hba->dev, - &ufs_devfreq_profile, + &hba->vps->devfreq_profile, DEVFREQ_GOV_SIMPLE_ONDEMAND, - gov_data); + &hba->vps->ondemand_data); if (IS_ERR(devfreq)) { ret = PTR_ERR(devfreq); dev_err(hba->dev, "Unable to register with devfreq %d\n", ret); @@ -4314,7 +4297,7 @@ int ufshcd_hba_enable(struct ufs_hba *hba) * instruction might be read back. * This delay can be changed based on the controller. */ - ufshcd_delay_us(hba->hba_enable_delay_us, 100); + ufshcd_delay_us(hba->vps->hba_enable_delay_us, 100); /* wait for the host controller to complete initialization */ retry = 50; @@ -7477,6 +7460,15 @@ static const struct attribute_group *ufshcd_driver_groups[] = { NULL, }; +static struct ufs_hba_variant_params ufs_hba_vps = { + .hba_enable_delay_us = 1000, + .devfreq_profile.polling_ms = 100, + .devfreq_profile.target = ufshcd_devfreq_target, + .devfreq_profile.get_dev_status = ufshcd_devfreq_get_dev_status, + .ondemand_data.upthreshold = 70, + .ondemand_data.downdifferential = 5, +}; + static struct scsi_host_template ufshcd_driver_template = { .module = THIS_MODULE, .name = UFSHCD, @@ -8724,7 +8716,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) hba->mmio_base = mmio_base; hba->irq = irq; - hba->hba_enable_delay_us = 1000; + hba->vps = &ufs_hba_vps; err = ufshcd_hba_init(hba); if (err) diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 23a434c03c2a..f7bdf52ba8b0 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -566,6 +566,12 @@ enum ufshcd_caps { UFSHCD_CAP_WB_EN = 1 << 7, }; +struct ufs_hba_variant_params { + struct devfreq_dev_profile devfreq_profile; + struct devfreq_simple_ondemand_data ondemand_data; + u16 hba_enable_delay_us; +}; + /** * struct ufs_hba - per adapter private structure * @mmio_base: UFSHCI base register address @@ -663,6 +669,7 @@ struct ufs_hba { int nutmrs; u32 ufs_version; const struct ufs_hba_variant_ops *vops; + struct ufs_hba_variant_params *vps; void *priv; unsigned int irq; bool is_irq_enabled; @@ -684,7 +691,6 @@ struct ufs_hba { u32 eh_flags; u32 intr_mask; u16 ee_ctrl_mask; - u16 hba_enable_delay_us; bool is_powered; /* Work Queues */ |