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Mon, 13 Sep 2021 17:11:49 +0900 (KST) Received: from ubuntu.dsn.sec.samsung.com (unknown [12.36.155.120]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20210913081149epsmtip13f1635850f653b72f57518d395b1b1ed~kU3D8Mdst0411604116epsmtip1v; Mon, 13 Sep 2021 08:11:49 +0000 (GMT) From: Kiwoong Kim 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 Subject: [PATCH v2 1/3] scsi: ufs: introduce vendor isr Date: Mon, 13 Sep 2021 16:55:53 +0900 Message-Id: <6801341a6c4d533597050eb1aaa5bf18214fc47f.1631519695.git.kwmad.kim@samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: In-Reply-To: X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprDJsWRmVeSWpSXmKPExsWy7bCmue4xdvtEgz9/pCxOPlnDZvFg3jY2 i5c/r7JZHHzYyWLxdekzVotP65exWqxe/IDFYtGNbUwWN7ccZbG4vGsOm0X39R1sFsuP/2Oy 6Lp7g9Fi6b+3LA58Hpf7epk8Fu95yeQxYdEBRo/v6zvYPD4+vcXi0bdlFaPH501yHu0HupkC OKJybDJSE1NSixRS85LzUzLz0m2VvIPjneNNzQwMdQ0tLcyVFPISc1NtlVx8AnTdMnOADldS KEvMKQUKBSQWFyvp29kU5ZeWpCpk5BeX2CqlFqTkFBgaFugVJ+YWl+al6yXn51oZGhgYmQJV JuRkHHtwnr1guUDFkePvmRoYL/J2MXJySAiYSDyePoGxi5GLQ0hgB6PE3JUTWCGcT4wSN391 skE43xglZk2axgbTsnn1H6iWvYwSjy7fYoFwfjBKnO/+xARSxSagKfH05lQwW0RgH5PE0V3p IDazgLrErgknwOLCAuYSLx92gtksAqoSezZeZwWxeQWiJabdWs0KsU1O4ua5TmYQm1PAUuL+ X4heBJsLqGYqh8TjpwvZIRpcJB42nWKEsIUlXh3fAhWXknjZ3wZl10vsm9rACtHcwyjxdN8/ qAZjiVnP2oFsDqBLNSXW79IHMSUElCWOgDwJcj+fRMfhv+wQYV6JjjYhiEZliV+TJkMNkZSY efMO1CYPiQlP2qCBBbSp9ep9pgmM8rMQFixgZFzFKJZaUJybnlpsVGCCHH2bGMHJVMtjB+Ps tx/0DjEycTAeYpTgYFYS4d32xjZRiDclsbIqtSg/vqg0J7X4EKMpMCAnMkuJJucD03leSbyh qZGZmYGlqYWpmZGFkjjv+deWiUIC6YklqdmpqQWpRTB9TBycUg1M0np8n3p5Hm2fZheUum3/ Ru4P7wy7WkxMuSZNXy5x2/xhDefmnf+Zz8Ue/vb529m4k9uO8P4uDcwprrq6heXbQVmBx7e2 7ngjHhS7uer/jMzLMo8XO1y4wNU1hcN4h9IRFs6Fc8rvb512+MGsZUs8N7W+1mSx9Jv3mWGG ZtCrz23GGfHuuvc9074p5gskXyjiKthX+avfbhVP3Wup0s6nxzdXVxacO1F2/qvHo5TEvlXt CfJ/2U9PPSYkPu/U00neu57GhFzSu2gvaTA7YkrdFkGTyzu+5bbWzHA2XpvW+XnRC+G94b31 W97fPPfF3OTZDC31NIkVNttj9msu2aIR3+92QtqShWmzQPOy6w8ffVJiKc5INNRiLipOBABv sh8MLwQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrELMWRmVeSWpSXmKPExsWy7bCSnO5RdvtEg4crTC1OPlnDZvFg3jY2 i5c/r7JZHHzYyWLxdekzVotP65exWqxe/IDFYtGNbUwWN7ccZbG4vGsOm0X39R1sFsuP/2Oy 6Lp7g9Fi6b+3LA58Hpf7epk8Fu95yeQxYdEBRo/v6zvYPD4+vcXi0bdlFaPH501yHu0HupkC OKK4bFJSczLLUov07RK4Mo49OM9esFyg4sjx90wNjBd5uxg5OSQETCQ2r/7D2MXIxSEksJtR 4tHBlywQCUmJEzufM0LYwhL3W46wQhR9Y5TYeecfM0iCTUBT4unNqUwgCRGBc0wSUy8vZQJJ MAuoS+yacALMFhYwl3j5sBPMZhFQldiz8ToriM0rEC0x7dZqVogNchI3z3WCDeUUsJS4/xei V0jAQqJ/8yZGXOITGAUWMDKsYpRMLSjOTc8tNiwwzEst1ytOzC0uzUvXS87P3cQIjgYtzR2M 21d90DvEyMTBeIhRgoNZSYR32xvbRCHelMTKqtSi/Pii0pzU4kOM0hwsSuK8F7pOxgsJpCeW pGanphakFsFkmTg4pRqYLh16/OdPQjGvQMC3zWIP16+90xZTVrzDI83kv1OLtYCsdc3svP9p fQdO2/6LNud9d/1Mw8SpFd7BCiUCXxttLRjSmYKf3fijxlY+20DvyAf27affFFxaoP6Id4e3 wkr7n2viC//7n/H//v6O36YHQfqxU+4rvDvn94/fKdzBqUoyp+hF9/dJm199Vv53238Vqy2j LEfNusyZxc/qZ6wMCss1aH/MxLi01XeWRLP3+g5p0RL7Vy/DkxgfCHYb5x5junXygdLMpYUh Z5X4a7I0FG4unXLudqSwYOV7/pStqccX7djx53/bFcuOnUYmDHO32/3/JFMWrMf2t2Lh8jjv Zd7SSy8u+xnx7t9sLf9aJZbijERDLeai4kQACO/QrfUCAAA= X-CMS-MailID: 20210913081150epcas2p11f98eed5939bf082981e2a4d6fd9a059 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210913081150epcas2p11f98eed5939bf082981e2a4d6fd9a059 References: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- drivers/scsi/ufs/ufshcd.c | 14 +++++++++++++- drivers/scsi/ufs/ufshcd.h | 1 + 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 3841ab49..604c505 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -218,6 +218,13 @@ static struct ufs_dev_fix ufs_fixups[] = { END_FIX }; +static inline irqreturn_t +ufshcd_vendor_isr_def(struct ufs_hba *hba) +{ + return IRQ_NONE; +} +DEFINE_STATIC_CALL(vendor_isr, ufshcd_vendor_isr_def); + static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba); static void ufshcd_async_scan(void *data, async_cookie_t cookie); static int ufshcd_reset_and_restore(struct ufs_hba *hba); @@ -6445,7 +6452,9 @@ 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; + irqreturn_t retval; + + retval = static_call(vendor_isr)(hba); if (intr_status & UFSHCD_UIC_MASK) retval |= ufshcd_uic_cmd_compl(hba, intr_status); @@ -8533,6 +8542,9 @@ static int ufshcd_variant_hba_init(struct ufs_hba *hba) if (err) dev_err(hba->dev, "%s: variant %s init failed err %d\n", __func__, ufshcd_get_var_name(hba), err); + + if (hba->vops->intr) + static_call_update(vendor_isr, *hba->vops->intr); out: return err; } diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 52ea6f3..7af5d5b 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); }; /* clock gating state */ -- 2.7.4