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Tue, 2 Jun 2026 01:45:28 +0000 Received: from CH0PR10MB5338.namprd10.prod.outlook.com ([fe80::e525:dd71:b002:6ad5]) by CH0PR10MB5338.namprd10.prod.outlook.com ([fe80::e525:dd71:b002:6ad5%6]) with mapi id 15.21.0071.011; Tue, 2 Jun 2026 01:45:28 +0000 To: Daejun Park Cc: "martin.petersen@oracle.com" , "James.Bottomley@HansenPartnership.com" , "bvanassche@acm.org" , "avri.altman@wdc.com" , ALIM AKHTAR , "adrian.hunter@intel.com" , "palash.kambar@oss.qualcomm.com" , "mani@kernel.org" , "shawn.lin@rock-chips.com" , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] scsi: ufs: core: Skip link param validation when lanes_per_direction is unset From: "Martin K. 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a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=FelO9ux0wxsA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=EIcjfB9IiI4px24ztqRk:22 a=rZbgq3Wq37U6-5rKoXAA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAyMDAxNCBTYWx0ZWRfXzllN3PL+3VP9 eudSMTGP77QViXe2CKAnyCO8GI5rR8Dv5XXpENE2Kr4gzkq5T6SJNLOPfxMrlK6iDjnpBnwc+z/ nQPLqwii4JbiNy6C5B4BpP12pER9183cujP+xhJyWrlbMuTzG3GzL/m25g3bJlKy5yQ5IbBVnGR WSMdQJ/RowX7wshGCaROetStQYtpdyTAvPwydLnfh/5myJKcA+r9LEu+/z3bmA/B+DdAUbimguH 5RqfkfB7o8susAYBoHoHrunzwfMYBpkyLijErR9GEO5UDZKz7z2k24HYIhWhhpCrHWG0rDxsNrN wkla4SCTIr4avhrWbzoEz981XyKVhX0Hmdok6hYVnB5+/ARPxx9qrkxkpLBufqYUX5HBHzMgsTH cln3ce0K9iXWXSTWExCqfVel1RsVv7AODhYTVXiW0oYwV2ajfocE6hMcoyTIxVRivPrpGMVoRJn a/DZJ+9maUA6uT3V35A== X-Proofpoint-GUID: 2FGEE0tfZn72d0v7GEcxk22dEFa7CM1Z Daejun, > ufshcd_validate_link_params(), added by commit e72323f3b09f ("scsi: > ufs: core: Configure only active lanes during link"), is called > unconditionally from ufshcd_link_startup() and fails link startup with > -ENOLINK when the connected lane count read from the device differs > from hba->lanes_per_direction. Applied to 7.2/scsi-staging, thanks! -- Martin K. Petersen