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From: Kiwoong Kim <kwmad.kim@samsung.com>
To: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
alim.akhtar@samsung.com, avri.altman@wdc.com, jejb@linux.ibm.com,
martin.petersen@oracle.com, beanhuo@micron.com,
cang@codeaurora.org, adrian.hunter@intel.com, sc.suh@samsung.com,
hy50.seo@samsung.com, sh425.lee@samsung.com,
bhoon95.kim@samsung.com
Cc: Kiwoong Kim <kwmad.kim@samsung.com>
Subject: [RFC PATCH v1 1/2] scsi: ufs: introduce vendor isr
Date: Fri, 6 Aug 2021 15:34:11 +0900 [thread overview]
Message-ID: <0f6f2337e98f8a8a7dfae816bc001af28fa3a7be.1628231581.git.kwmad.kim@samsung.com> (raw)
In-Reply-To: <cover.1628231581.git.kwmad.kim@samsung.com>
In-Reply-To: <cover.1628231581.git.kwmad.kim@samsung.com>
This patch is to activate some interrupt sources
that aren't defined in UFSHCI specifications. Those
purpose could be error handling, workaround or whatever.
Signed-off-by: Kiwoong Kim <kwmad.kim@samsung.com>
---
drivers/scsi/ufs/ufshcd.c | 10 ++++++++++
drivers/scsi/ufs/ufshcd.h | 8 ++++++++
2 files changed, 18 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 05495c34a2b7..f85a9b335e0b 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6428,6 +6428,16 @@ static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba)
static irqreturn_t ufshcd_sl_intr(struct ufs_hba *hba, u32 intr_status)
{
irqreturn_t retval = IRQ_NONE;
+ int res = 0;
+ unsigned long flags;
+
+ retval = ufshcd_vops_intr(hba, &res);
+ if (res) {
+ spin_lock_irqsave(hba->host->host_lock, flags);
+ hba->force_reset = true;
+ ufshcd_schedule_eh_work(hba);
+ spin_unlock_irqrestore(hba->host->host_lock, flags);
+ }
if (intr_status & UFSHCD_UIC_MASK)
retval |= ufshcd_uic_cmd_compl(hba, intr_status);
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 971cfabc4a1e..1ed0a911f864 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -356,6 +356,7 @@ struct ufs_hba_variant_ops {
const union ufs_crypto_cfg_entry *cfg, int slot);
void (*event_notify)(struct ufs_hba *hba,
enum ufs_event_type evt, void *data);
+ irqreturn_t (*intr)(struct ufs_hba *hba, int *res);
};
/* clock gating state */
@@ -1296,6 +1297,13 @@ static inline void ufshcd_vops_config_scaling_param(struct ufs_hba *hba,
hba->vops->config_scaling_param(hba, profile, data);
}
+static inline irqreturn_t ufshcd_vops_intr(struct ufs_hba *hba, int *res)
+{
+ if (hba->vops && hba->vops->intr)
+ return hba->vops->intr(hba, res);
+ return IRQ_NONE;
+}
+
extern struct ufs_pm_lvl_states ufs_pm_lvl_states[];
/*
--
2.31.1
next prev parent reply other threads:[~2021-08-06 6:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210806064923epcas2p13dd6b442eed02404d87684afd9c1b229@epcas2p1.samsung.com>
2021-08-06 6:34 ` [RFC PATCH v1 0/2] " Kiwoong Kim
[not found] ` <CGME20210806064924epcas2p4572538fd1fa7a73d8262737e38a9b537@epcas2p4.samsung.com>
2021-08-06 6:34 ` Kiwoong Kim [this message]
2021-08-06 16:18 ` [RFC PATCH v1 1/2] " Bart Van Assche
2021-08-09 7:33 ` Kiwoong Kim
[not found] ` <CGME20210806064925epcas2p2ba7e711758614384c17648d4924d025c@epcas2p2.samsung.com>
2021-08-06 6:34 ` [RFC PATCH v1 2/2] scsi: ufs: ufs-exynos: implement exynos isr Kiwoong Kim
2021-08-06 16:37 ` Bart Van Assche
2021-08-09 7:31 ` Kiwoong Kim
2021-08-06 16:14 ` [RFC PATCH v1 0/2] scsi: ufs: introduce vendor isr Bart Van Assche
2021-08-08 5:56 ` Avri Altman
2021-08-09 7:46 ` Kiwoong Kim
2021-08-09 16:08 ` Bart Van Assche
2021-08-13 5:31 ` Kiwoong Kim
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