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Mon, 5 Jun 2023 10:25:06 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas2p4.samsung.com (KnoxPortal) with ESMTPA id 20230605012505epcas2p4fa6facb5ad68289d0e7904bc77ea8506~lntyLypHN2614626146epcas2p4Q; Mon, 5 Jun 2023 01:25:05 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20230605012505epsmtrp140d4fb9441fe73f812c40d8b77b481df~lntyKyADN2747127471epsmtrp1E; Mon, 5 Jun 2023 01:25:05 +0000 (GMT) X-AuditID: b6c32a48-9f1ff7000000acbc-a4-647d3972eda7 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id 25.28.28392.1793D746; Mon, 5 Jun 2023 10:25:05 +0900 (KST) Received: from ubuntu.dsn.sec.samsung.com (unknown [10.229.95.128]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20230605012505epsmtip2788b0e72cc95051b24bb53b89f6521a8~lntx71Rbv3164931649epsmtip2D; Mon, 5 Jun 2023 01:25:05 +0000 (GMT) From: Kiwoong Kim To: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, jejb@linux.ibm.com, martin.petersen@oracle.com, beanhuo@micron.com, adrian.hunter@intel.com, sc.suh@samsung.com, hy50.seo@samsung.com, sh425.lee@samsung.com, kwangwon.min@samsung.com, junwoo80.lee@samsung.com Cc: Kiwoong Kim Subject: [PATCH v2 0/3] change UIC command handling Date: Mon, 5 Jun 2023 10:15:51 +0900 Message-Id: X-Mailer: git-send-email 2.7.4 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmphk+LIzCtJLcpLzFFi42LZdljTQrfIsjbFYN08ZYuTT9awWTyYt43N 4uXPq2wWBx92slhM+/CT2WL14gcsFotubGOy2PW3mcli642dLBY3txxlsbi8aw6bRff1HWwW y4//Y7LounuD0WLpv7csDvwel694eyze85LJY8KiA4we39d3sHl8fHqLxaNvyypGj8+b5Dza D3QzBXBEZdtkpCampBYppOYl56dk5qXbKnkHxzvHm5oZGOoaWlqYKynkJeam2iq5+AToumXm AB2vpFCWmFMKFApILC5W0rezKcovLUlVyMgvLrFVSi1IySkwL9ArTswtLs1L18tLLbEyNDAw MgUqTMjO2DPpDVPBFraKi9v3sTQwbmXtYuTkkBAwkeiavpOpi5GLQ0hgB6NE45nj7BDOJ0aJ Wd//QDmfGSWOzT7IDtOy98ELZojELkaJHZefQjk/GCW2/TzCDFLFJqAp8fTmVCYQW0TgBpPE k35REJtZQF1i14QTYHFhAWOJrffXsoHYLAKqEseefwXr5RWwkNjavIwJYpucxM1znWALJAQa OSQuLdnNDJFwkfhyrZcNwhaWeHV8C9R5UhIv+9uAbA4gO1tiz0IxiHCFxOJpb1kgbGOJWc/a GUFKmIHuXL9LH6JaWeLILRaIK/kkOg7/hRrCK9HRJgTRqCzxa9JkRghbUmLmzTtQOz0kvl+7 CHaLkECsxNe3q5gnMMrOQpi/gJFxFaNYakFxbnpqsVGBCTyOkvNzNzGCk6OWxw7G2W8/6B1i ZOJgPMQowcGsJMK7y6s6RYg3JbGyKrUoP76oNCe1+BCjKTC0JjJLiSbnA9NzXkm8oYmlgYmZ maG5kamBuZI478cO5RQhgfTEktTs1NSC1CKYPiYOTqkGJvaEuxvLna9+OeFef6Z4+33T9ol1 N/uW59xQ6az6d/ncxAeq7xfpHfp3cr1N77X9NXHOKUoK3UrMu/N/z99yYWEHN4vA92afdsWA CeznX5ZdtC5jszoxY0P6qgO7X/Xtnb7n6qv7DHkGq6WXHj5wz42Ro/CtqPAxH7/9ScudM1P+ t5zTSWYxnvE/0MIwoOnX4m0WW7un3Ktq/KtSy3iHX29RuNPN4kWrPxeHLFj/3WD7BZbAC37P 2ORLdQ+X5cndPLUqLFPx5+UOK4VnE3YrGCoxqCQ4XnNYuXLlzXgLeQajx3tv7Vi2RrbI2ePh h8RSnWcNVzi/O6ZIOW9ISJlpxPVzV/eKR+t+BYl4Nv81vq/EUpyRaKjFXFScCAD4H9FRFwQA AA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrGLMWRmVeSWpSXmKPExsWy7bCSvG6hZW2KQeMrOYuTT9awWTyYt43N 4uXPq2wWBx92slhM+/CT2WL14gcsFotubGOy2PW3mcli642dLBY3txxlsbi8aw6bRff1HWwW y4//Y7LounuD0WLpv7csDvwel694eyze85LJY8KiA4we39d3sHl8fHqLxaNvyypGj8+b5Dza D3QzBXBEcdmkpOZklqUW6dslcGXsmfSGqWALW8XF7ftYGhi3snYxcnJICJhI7H3wgrmLkYtD SGAHo0RL639GiISkxImdz6FsYYn7LUdYIYq+MUq0f25lAUmwCWhKPL05lQkkISLwikli7v9T YB3MAuoSuyacYAKxhQWMJbbeX8sGYrMIqEoce/6VGcTmFbCQ2Nq8jAlig5zEzXOdzBMYeRYw MqxilEwtKM5Nzy02LDDKSy3XK07MLS7NS9dLzs/dxAgOWi2tHYx7Vn3QO8TIxMF4iFGCg1lJ hHeXV3WKEG9KYmVValF+fFFpTmrxIUZpDhYlcd4LXSfjhQTSE0tSs1NTC1KLYLJMHJxSDUzc Vkf3mP/lff/j4L8jf5TKE6+aP+z51egexGJR9vyxwLcgS4tdga6vzmzsuzvLYUNIxIrVM+61 Tn11y/RaRUx8T+ZV3uOTwg2qqpN7bPNLTut+VZinFBQeuctRMVv664ZX9d4LHkzRM5k42Tx6 zTe2XxM0Z7aLLD/cwiE+4bRamdy9le3Hbfy0tcK2MN3vFr7uYhy/Yn3Y+5I2M4eZD1a/e2gv 3BzQ3RwgwbhApvzCkuW8Fw5kfHPPUOm6POsY42Of6qO612SvXo55e+rAF97znzKnFUyfvjEn aqfKpxaNVCPRVe5ihYu4LVIP2789pzpzoeaDA5adc18ZG156rfvRYg1HBlfDTot/XErBs5WU WIozEg21mIuKEwE0pwG6yQIAAA== X-CMS-MailID: 20230605012505epcas2p4fa6facb5ad68289d0e7904bc77ea8506 X-Msg-Generator: CA X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20230605012505epcas2p4fa6facb5ad68289d0e7904bc77ea8506 References: Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org v1 -> v2: remove an unused variable in __ufshcd_send_uic_cmd There are two issues on UIC command handling related to auto hibern8. https://lore.kernel.org/linux-scsi/1684208012-114324-1-git-send-email-kwmad.kim@samsung.com/ https://lore.kernel.org/linux-scsi/1684209152-115304-1-git-send-email-kwmad.kim@samsung.com/ Now I combine the two things into this thread. And one thing added to make part of submitting a UIC command apart from the critical section w/ host_lock. Kiwoong Kim (3): ufs: make __ufshcd_send_uic_cmd not wrapped by host_lock ufs: poll HCS.UCRDY before issuing a UIC command ufs: poll pmc until another pa request is completed drivers/ufs/core/ufshcd.c | 110 ++++++++++++++++++++++++++++++++-------------- 1 file changed, 77 insertions(+), 33 deletions(-)