From: Adrian Hunter Date: Mon, 10 Nov 2025 11:58:58 +0000 (-0500) Subject: scsi: ufs: ufs-pci: Set UFSHCD_QUIRK_PERFORM_LINK_STARTUP_ONCE for Intel ADL X-Git-Tag: v6.1.159~153 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=acf62af18c7b723bb27fc69cdfaf275ae34372f5;p=thirdparty%2Fkernel%2Fstable.git scsi: ufs: ufs-pci: Set UFSHCD_QUIRK_PERFORM_LINK_STARTUP_ONCE for Intel ADL [ Upstream commit d968e99488c4b08259a324a89e4ed17bf36561a4 ] Link startup becomes unreliable for Intel Alder Lake based host controllers when a 2nd DME_LINKSTARTUP is issued unnecessarily. Employ UFSHCD_QUIRK_PERFORM_LINK_STARTUP_ONCE to suppress that from happening. Fixes: 7dc9fb47bc9a ("scsi: ufs: ufs-pci: Add support for Intel ADL") Cc: stable@vger.kernel.org Signed-off-by: Adrian Hunter Reviewed-by: Bart Van Assche Link: https://patch.msgid.link/20251024085918.31825-4-adrian.hunter@intel.com Signed-off-by: Martin K. Petersen [ adjusted patch context line numbers from 428 to 460 due to prerequisite backport ] Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c index 4864238af6667..9d4b0bda08193 100644 --- a/drivers/ufs/host/ufshcd-pci.c +++ b/drivers/ufs/host/ufshcd-pci.c @@ -463,7 +463,8 @@ static int ufs_intel_lkf_init(struct ufs_hba *hba) static int ufs_intel_adl_init(struct ufs_hba *hba) { hba->nop_out_timeout = 200; - hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8; + hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8 | + UFSHCD_QUIRK_PERFORM_LINK_STARTUP_ONCE; hba->caps |= UFSHCD_CAP_WB_EN; return ufs_intel_common_init(hba); }