From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 131FD329E5A for ; Thu, 16 Apr 2026 17:57:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776362259; cv=none; b=iiJkzJNPqjNmtJf8Ts6NUMMX6rmOi82/XIgusD2GFaAwIZldJ71O8ehGr+WP+nlhpsyrat+SxyNAYnZY073IrRgewFsveFx2gm7wQ2JL9HVJc3wjPSMnzouYXjm+lyJdVXD9vQH8Nuyf77QEidDBHhD8QayiZ/LkTX28VZRqxoY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776362259; c=relaxed/simple; bh=ZFdqz5IoKK1voI4yjxLde1NwfDM/o7n7SibMeAqhd6k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uJCsrBzhJjQrBp6KAlGEOekVDGBaoU1X88bG2Jxa5Jv2Y0ZViWM1PUPdQtkcB96DvIW1rS4ebKxvS6iSwoi2rzJqBVYCNBKTTPPMTI1X5vEDedq1TZfmM6jmOu1RHATb1mw3yynXJ7GHdc3Me47vRtVFalr7s90h5VVESGI3kVw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=JI87SvH6; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="JI87SvH6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776362258; x=1807898258; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ZFdqz5IoKK1voI4yjxLde1NwfDM/o7n7SibMeAqhd6k=; b=JI87SvH6nrHgUAr0+fK5NXEzWzJSom+HcdrDQqUuh21U8a67gd8H4FHQ dtS9lXg1cE0eK9uE9RDY1AfsamiOPXnBGEG5QalWHBfvpeAu8mneVHyFe aKfafAgLwNhP9HASQoaKpIBQ3rLVYOzziZL8sFxoRJDp9LRCO5Bnar4qV UjCFa4ie1se9bveALjdwqRrQ9w4OOhymDETe45/zJ8fUTYyKvP/q868MM OkWSemlQ2c29w//B7176f35zb+uCnTG5dK5sCEzgEu2I7x9a18SMZmZ+s WnaMO1L5r2vis5rjSWfA/7gWuntgjNLX//a5v8j9OFoJXXaogUf/j3wAi A==; X-CSE-ConnectionGUID: vgdhsZDgReKvwFW8L4rmqg== X-CSE-MsgGUID: fpkO3BKEQvqfzdTpwhsKOw== X-IronPort-AV: E=McAfee;i="6800,10657,11761"; a="94778405" X-IronPort-AV: E=Sophos;i="6.23,181,1770624000"; d="scan'208";a="94778405" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Apr 2026 10:57:37 -0700 X-CSE-ConnectionGUID: JjOGkli6Tf6l5m46O3bXUA== X-CSE-MsgGUID: JFzLzr1QQ1e6ltUDC9o55Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,181,1770624000"; d="scan'208";a="235784631" Received: from abityuts-desk.ger.corp.intel.com (HELO ahunter6-desk) ([10.245.244.222]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Apr 2026 10:57:36 -0700 From: Adrian Hunter To: alexandre.belloni@bootlin.com Cc: Frank.Li@nxp.com, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 11/16] i3c: mipi-i3c-hci: Factor out reset-and-restore helper Date: Thu, 16 Apr 2026 20:56:59 +0300 Message-ID: <20260416175704.41217-12-adrian.hunter@intel.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260416175704.41217-1-adrian.hunter@intel.com> References: <20260416175704.41217-1-adrian.hunter@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Content-Transfer-Encoding: 8bit Factor the reset-and-restore sequence out of i3c_hci_rpm_resume() into a separate helper. This allows the same logic to be reused for recovery paths in subsequent changes without duplicating suspend/resume handling. No functional change. Signed-off-by: Adrian Hunter --- drivers/i3c/master/mipi-i3c-hci/core.c | 21 +++++++++++++++++++-- drivers/i3c/master/mipi-i3c-hci/hci.h | 2 ++ 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/i3c/master/mipi-i3c-hci/core.c b/drivers/i3c/master/mipi-i3c-hci/core.c index 4c4e87a9b352..f745805d3c99 100644 --- a/drivers/i3c/master/mipi-i3c-hci/core.c +++ b/drivers/i3c/master/mipi-i3c-hci/core.c @@ -801,9 +801,8 @@ int i3c_hci_rpm_suspend(struct device *dev) } EXPORT_SYMBOL_GPL(i3c_hci_rpm_suspend); -int i3c_hci_rpm_resume(struct device *dev) +static int i3c_hci_do_reset_and_restore(struct i3c_hci *hci) { - struct i3c_hci *hci = dev_get_drvdata(dev); int ret; ret = i3c_hci_reset_and_init(hci); @@ -824,6 +823,24 @@ int i3c_hci_rpm_resume(struct device *dev) return 0; } + +int i3c_hci_reset_and_restore(struct i3c_hci *hci) +{ + i3c_hci_bus_disable(hci); + + hci->io->suspend(hci); + + i3c_hci_sync_irq_inactive(hci); + + return i3c_hci_do_reset_and_restore(hci); +} + +int i3c_hci_rpm_resume(struct device *dev) +{ + struct i3c_hci *hci = dev_get_drvdata(dev); + + return i3c_hci_do_reset_and_restore(hci); +} EXPORT_SYMBOL_GPL(i3c_hci_rpm_resume); static int i3c_hci_runtime_suspend(struct device *dev) diff --git a/drivers/i3c/master/mipi-i3c-hci/hci.h b/drivers/i3c/master/mipi-i3c-hci/hci.h index d542d03dc629..9b46453d6d4b 100644 --- a/drivers/i3c/master/mipi-i3c-hci/hci.h +++ b/drivers/i3c/master/mipi-i3c-hci/hci.h @@ -175,4 +175,6 @@ int i3c_hci_process_xfer(struct i3c_hci *hci, struct hci_xfer *xfer, int n); int i3c_hci_rpm_suspend(struct device *dev); int i3c_hci_rpm_resume(struct device *dev); +int i3c_hci_reset_and_restore(struct i3c_hci *hci); + #endif -- 2.51.0