From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E72082AF06; Mon, 6 Jan 2025 15:52:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736178756; cv=none; b=qSuE4qIijmGzGIjS2hjDIZYVdsidvXRsHhWFFLs9FanUWuqQWxz92k+ZarXgjPJxUg3NAbECOyFntdSi1tDkPhso8vMiubh6J3w47fahpUZs5T2yu/48GWaDwfe1XYn1bEBSAM6CSFfivDt1v62md3FGOjmXH0+N11pBodemqTY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736178756; c=relaxed/simple; bh=Uk5oSrtmuFkIHCMdZEBjtAXxQeKwz33ljstxfSnfL1s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=K/RCN7DksBNjy4C6y1ZgOQVoyrM1YPFK8LCTzZRX86tMSLMVOLDD11BANkMLuLMMa9Lz2FFob1m4ERLzUG6hPMcxIRZMv3S0l5lwIWXAvAWpHNmz5o22EmAIQA+5LepGJLVY71GWP+01wI57NM5nqdudcZ5BZjd5gvbT7GXhA1k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=w04XkAHy; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="w04XkAHy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65794C4CED2; Mon, 6 Jan 2025 15:52:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1736178755; bh=Uk5oSrtmuFkIHCMdZEBjtAXxQeKwz33ljstxfSnfL1s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=w04XkAHyrLuyfgkD6fI2SFYEbu+RyIYcKHs+iKPs+RinkDN3TPzoS8jGKndmBgUv6 5wbWjA7Ov+apZV76KSyR7GqZ7wDpNMLB7YLTYIm8m/IJkkivtUXipEbhIFIsqTVIAT gkme2LjXmBHGZYBYXu6kVsyla9gV2MH1pNgWARoQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ranjan Kumar , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 5.15 082/168] scsi: mpt3sas: Diag-Reset when Doorbell-In-Use bit is set during driver load time Date: Mon, 6 Jan 2025 16:16:30 +0100 Message-ID: <20250106151141.560875528@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250106151138.451846855@linuxfoundation.org> References: <20250106151138.451846855@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ranjan Kumar [ Upstream commit 3f5eb062e8aa335643181c480e6c590c6cedfd22 ] Issue a Diag-Reset when the "Doorbell-In-Use" bit is set during the driver load/initialization. Signed-off-by: Ranjan Kumar Link: https://lore.kernel.org/r/20241110173341.11595-2-ranjan.kumar@broadcom.com Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/mpt3sas/mpt3sas_base.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 0fc2c355fc37..0c768c404d3d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -6901,11 +6901,12 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes, int i; u8 failed; __le32 *mfp; + int ret_val; /* make sure doorbell is not in use */ if ((ioc->base_readl_ext_retry(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { ioc_err(ioc, "doorbell is in use (line=%d)\n", __LINE__); - return -EFAULT; + goto doorbell_diag_reset; } /* clear pending doorbell interrupts from previous state changes */ @@ -6995,6 +6996,10 @@ _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes, le32_to_cpu(mfp[i])); } return 0; + +doorbell_diag_reset: + ret_val = _base_diag_reset(ioc); + return ret_val; } /** -- 2.39.5