From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (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 8AA0B1482E7 for ; Wed, 14 May 2025 12:26:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747225587; cv=none; b=qH47OVLi/XqxPPcKdWWXiad4W7vvu7GmDxUYQ/8/2HTc19oNjl8FMs0QWKVG3hxup273BXDAUR6AM2k+DlV/IdVz/l8hSJMmFkGEWXxHd8VAFKzRqKoXEtaMFPZ7BrCg/SHNZtLwGPDFCi5HS5qjtN5Z9uNk2X49UE+KzgPMuW4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747225587; c=relaxed/simple; bh=JRz6gtjfi0l3nijbVi6JBY+F/cMu/h74UnfdiiyRKmE=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=eQFeueszOqDxXzKNx7Ixw7rQINT4yuqBdbhE+nxzOMGJxWq+pX9j1qTwob1BEmPNS2YOBXGnYMz9ytOX5XtTT1ORK2nANh3HES3dku3vRVZ0sxYMNyKik1JSJ89dw0IE17KoAMZIEJArxhHyU6LQMEbtqvaxh/bf+TgcBC5CyRs= 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=PlacQYgg; arc=none smtp.client-ip=198.175.65.17 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="PlacQYgg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747225586; x=1778761586; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=JRz6gtjfi0l3nijbVi6JBY+F/cMu/h74UnfdiiyRKmE=; b=PlacQYggWuSIUXUuDGML+6GsstDgYiFUPdI5D+4FsCu53lNkkKfENYyX lfILBB4HuxV278JuRJeOjuf6UiXU272iOqYPGR7COmgTRK7drKjNXg+ZJ n1wBIDzKN0yfMTPy4UWPCd2xIepmMcTEjkNRXfRNr/CG0mx7MvDkmGVFq qoKdZubyxElUC1VeS4/jWs4O7JRNyotQDN3JiegW+OCwkq0/ybZ8b68Wm Xtv4R/4JN1JhbOpDSDgwsIfckqGXlSZSphTAZg22eKPMGdrHv4Rll/lZc 9bVNUiKxwd6rSbSm3cd94VN54WbwVc3WtLob+4dzhMUi1o1uqskEUtspf Q==; X-CSE-ConnectionGUID: Wo1Er8viTAmSbj2cxw62Ag== X-CSE-MsgGUID: u+vUrjkfSHqaAvSunRDUyw== X-IronPort-AV: E=McAfee;i="6700,10204,11433"; a="49098832" X-IronPort-AV: E=Sophos;i="6.15,288,1739865600"; d="scan'208";a="49098832" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 May 2025 05:26:25 -0700 X-CSE-ConnectionGUID: 6Shu7YU0S+C0THiBI0X0Zw== X-CSE-MsgGUID: MtY9h327SZ6SmrL8BYR+mg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,288,1739865600"; d="scan'208";a="137946702" Received: from jraag-z790m-itx-wifi.iind.intel.com ([10.190.239.23]) by orviesa006.jf.intel.com with ESMTP; 14 May 2025 05:26:22 -0700 From: Raag Jadav To: gregkh@linuxfoundation.org, david.m.ertman@intel.com, ira.weiny@intel.com, lee@kernel.org, andriy.shevchenko@linux.intel.com, mika.westerberg@linux.intel.com, heikki.krogerus@linux.intel.com Cc: linux-kernel@vger.kernel.org, Raag Jadav Subject: [PATCH v5 0/2] Auxiliary device support for MFD Date: Wed, 14 May 2025 17:54:30 +0530 Message-Id: <20250514122432.4019606-1-raag.jadav@intel.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series adds auxiliary child device support for discoverable MFD and as a prerequisite, introduces auxiliary device specific resource APIs to to allow independent resource management. v2: Introduce a shared struct mfd_aux_device Introduce auxiliary device opt-in flag (Greg) v3: Fix device_type ABI breakage (Andy) Aesthetic adjustments (Andy) v4: s/mfd_aux/maux Allow num_resources for child device (Andy) Fix build warning (Andy) v5: Move resource() helpers from MFD to auxiliary subsystem (Lee) Raag Jadav (2): driver core: auxiliary bus: Introduce auxiliary device resource management mfd: core: Support auxiliary device drivers/base/auxiliary.c | 145 ++++++++++++++++++++++++++ drivers/mfd/Kconfig | 2 +- drivers/mfd/mfd-core.c | 185 +++++++++++++++++++++++++--------- include/linux/auxiliary_bus.h | 18 ++++ include/linux/mfd/core.h | 3 + 5 files changed, 305 insertions(+), 48 deletions(-) -- 2.34.1