Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755635Ab3C0JB2 (ORCPT ); Wed, 27 Mar 2013 05:01:28 -0400 Received: from mga03.intel.com ([143.182.124.21]:59701 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755283Ab3C0I63 (ORCPT ); Wed, 27 Mar 2013 04:58:29 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,917,1355126400"; d="scan'208";a="219350182" From: Andy Shevchenko To: "Rafael J . Wysocki" , Mika Westerberg , Viresh Kumar , linux-kernel@vger.kernel.org, spear-devel , Vinod Koul , linux-acpi@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH 5/6] ACPI / LPSS: return no error from register_device_clock in special cases Date: Wed, 27 Mar 2013 10:58:01 +0200 Message-Id: <1364374682-8547-6-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 1.8.2.rc0.22.gb3600c3 In-Reply-To: <1364374682-8547-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1364374682-8547-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1143 Lines: 32 When device uses the fixed clock and has no private space of LTR, we have to create main LPSS clock and register platform device. This is normally a case for LPSS DMA controller. Signed-off-by: Andy Shevchenko --- drivers/acpi/acpi_lpss.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index b1c9542..4015929 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -95,6 +95,10 @@ static int register_device_clock(struct acpi_device *adev, if (!lpss_clk_dev) lpt_register_clock_device(); + if (!dev_desc->prv_offset && dev_desc->clk_required) + /* There is no error when device uses fixed clock */ + return 0; + if (!dev_desc->clk_parent || !pdata->mmio_base || pdata->mmio_size < dev_desc->prv_offset + LPSS_CLK_SIZE) return -ENODATA; -- 1.8.2.rc0.22.gb3600c3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/