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scsi: ufs: ufs-mediatek: Disable MCQ IRQ when clock off

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Disable MCQ IRQ when clock is off. This is same as legacy mode.

Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20231221110416.16176-4-peter.wang@mediatek.com
Reviewed-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Peter Wang 2023-12-21 19:04:16 +08:00 committed by Martin K. Petersen
parent 468b3e0a3b
commit e0dc13e5a3
2 changed files with 42 additions and 0 deletions
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41
drivers/ufs/host/ufs-mediatek.c
View File

@ -647,6 +647,45 @@ static void ufs_mtk_pwr_ctrl(struct ufs_hba *hba, bool on)
}
}
static void ufs_mtk_mcq_disable_irq(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
u32 irq, i;
if (!is_mcq_enabled(hba))
return;
if (host->mcq_nr_intr == 0)
return;
for (i = 0; i < host->mcq_nr_intr; i++) {
irq = host->mcq_intr_info[i].irq;
disable_irq(irq);
}
host->is_mcq_intr_enabled = false;
}
static void ufs_mtk_mcq_enable_irq(struct ufs_hba *hba)
{
struct ufs_mtk_host *host = ufshcd_get_variant(hba);
u32 irq, i;
if (!is_mcq_enabled(hba))
return;
if (host->mcq_nr_intr == 0)
return;
if (host->is_mcq_intr_enabled == true)
return;
for (i = 0; i < host->mcq_nr_intr; i++) {
irq = host->mcq_intr_info[i].irq;
enable_irq(irq);
}
host->is_mcq_intr_enabled = true;
}
/**
* ufs_mtk_setup_clocks - enables/disable clocks
* @hba: host controller instance
@ -690,8 +729,10 @@ static int ufs_mtk_setup_clocks(struct ufs_hba *hba, bool on,
if (clk_pwr_off)
ufs_mtk_pwr_ctrl(hba, false);
ufs_mtk_mcq_disable_irq(hba);
} else if (on && status == POST_CHANGE) {
ufs_mtk_pwr_ctrl(hba, true);
ufs_mtk_mcq_enable_irq(hba);
}
return ret;

1
drivers/ufs/host/ufs-mediatek.h
View File

@ -183,6 +183,7 @@ struct ufs_mtk_host {
u32 ip_ver;
bool mcq_set_intr;
bool is_mcq_intr_enabled;
int mcq_nr_intr;
struct ufs_mtk_mcq_intr_info mcq_intr_info[UFSHCD_MAX_Q_NR];
};