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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] scsi: ufs: introduce vendor isr 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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