From patchwork Mon Mar 9 13:26:22 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 10677 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n29DQUMj024963 for ; Mon, 9 Mar 2009 13:26:40 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751600AbZCIN0k (ORCPT ); Mon, 9 Mar 2009 09:26:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751428AbZCIN0j (ORCPT ); Mon, 9 Mar 2009 09:26:39 -0400 Received: from vervifontaine.sonytel.be ([80.88.33.193]:35644 "EHLO vervifontaine.sonycom.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751223AbZCIN0a (ORCPT ); Mon, 9 Mar 2009 09:26:30 -0400 Received: from vixen.sonytel.be (piraat.sonytel.be [43.221.60.197]) by vervifontaine.sonycom.com (Postfix) with ESMTP id 57A2558C41; Mon, 9 Mar 2009 14:26:26 +0100 (MET) Received: from geert by vixen.sonytel.be with local (Exim 4.63) (envelope-from ) id 1LgfUw-0005vB-98; Mon, 09 Mar 2009 14:26:26 +0100 From: Geert Uytterhoeven To: Alessandro Zummo , Kyle McMartin Cc: rtc-linux@googlegroups.com, linux-parisc@vger.kernel.org, linuxppc-dev@ozlabs.org, linux-m68k@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Mundt , Dann Frazier , Geert Uytterhoeven , David Woodhouse Subject: [PATCH 6/7] powerpc: Hook up rtc-generic, and kill rtc-ppc Date: Mon, 9 Mar 2009 14:26:22 +0100 Message-Id: <1236605183-22718-7-git-send-email-Geert.Uytterhoeven@sonycom.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1236605183-22718-6-git-send-email-Geert.Uytterhoeven@sonycom.com> References: <1236605183-22718-1-git-send-email-Geert.Uytterhoeven@sonycom.com> <1236605183-22718-2-git-send-email-Geert.Uytterhoeven@sonycom.com> <1236605183-22718-3-git-send-email-Geert.Uytterhoeven@sonycom.com> <1236605183-22718-4-git-send-email-Geert.Uytterhoeven@sonycom.com> <1236605183-22718-5-git-send-email-Geert.Uytterhoeven@sonycom.com> <1236605183-22718-6-git-send-email-Geert.Uytterhoeven@sonycom.com> Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org PowerPC has been a long time user of the generic RTC abstraction, so hook up rtc-generic: - Create the "rtc-generic" platform device if ppc_md.get_rtc_time is set, - Kill rtc-ppc, as rtc-generic offers the same functionality in a more generic way, and supports autoloading through udev. Signed-off-by: Geert Uytterhoeven Cc: David Woodhouse Acked-By: David Woodhouse Acked-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/time.c | 16 ++++++++++ drivers/rtc/Kconfig | 10 +------ drivers/rtc/Makefile | 1 - drivers/rtc/rtc-ppc.c | 69 -------------------------------------------- 4 files changed, 17 insertions(+), 79 deletions(-) delete mode 100644 drivers/rtc/rtc-ppc.c diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index c956403..926ea86 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -1127,3 +1127,19 @@ void div128_by_32(u64 dividend_high, u64 dividend_low, dr->result_low = ((u64)y << 32) + z; } + +static int __init rtc_init(void) +{ + struct platform_device *pdev; + + if (!ppc_md.get_rtc_time) + return -ENODEV; + + pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + return 0; +} + +module_init(rtc_init); diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index c8ead87..6488c50 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -681,20 +681,12 @@ config RTC_DRV_GENERIC tristate "Generic RTC support" # Please consider writing a new RTC driver instead of using the generic # RTC abstraction - depends on PARISC || M68K + depends on PARISC || M68K || PPC help Say Y or M here to enable RTC support on systems using the generic RTC abstraction. If you do not know what you are doing, you should just say Y. -config RTC_DRV_PPC - tristate "PowerPC machine dependent RTC support" - depends on PPC - help - The PowerPC kernel has machine-specific functions for accessing - the RTC. This exposes that functionality through the generic RTC - class. - config RTC_DRV_PXA tristate "PXA27x/PXA3xx" depends on ARCH_PXA diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 9c18a01..bd209a5 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -56,7 +56,6 @@ obj-$(CONFIG_RTC_DRV_PCF8583) += rtc-pcf8583.o obj-$(CONFIG_RTC_DRV_PL030) += rtc-pl030.o obj-$(CONFIG_RTC_DRV_PL031) += rtc-pl031.o obj-$(CONFIG_RTC_DRV_GENERIC) += rtc-generic.o -obj-$(CONFIG_RTC_DRV_PPC) += rtc-ppc.o obj-$(CONFIG_RTC_DRV_PXA) += rtc-pxa.o obj-$(CONFIG_RTC_DRV_R9701) += rtc-r9701.o obj-$(CONFIG_RTC_DRV_RS5C313) += rtc-rs5c313.o diff --git a/drivers/rtc/rtc-ppc.c b/drivers/rtc/rtc-ppc.c deleted file mode 100644 index c8e97e2..0000000 --- a/drivers/rtc/rtc-ppc.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * RTC driver for ppc_md RTC functions - * - * © 2007 Red Hat, Inc. - * - * Author: David Woodhouse - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - - -#include -#include -#include -#include -#include - -static int ppc_rtc_read_time(struct device *dev, struct rtc_time *tm) -{ - ppc_md.get_rtc_time(tm); - return 0; -} - -static int ppc_rtc_set_time(struct device *dev, struct rtc_time *tm) -{ - return ppc_md.set_rtc_time(tm); -} - -static const struct rtc_class_ops ppc_rtc_ops = { - .set_time = ppc_rtc_set_time, - .read_time = ppc_rtc_read_time, -}; - -static struct rtc_device *rtc; -static struct platform_device *ppc_rtc_pdev; - -static int __init ppc_rtc_init(void) -{ - if (!ppc_md.get_rtc_time || !ppc_md.set_rtc_time) - return -ENODEV; - - ppc_rtc_pdev = platform_device_register_simple("ppc-rtc", 0, NULL, 0); - if (IS_ERR(ppc_rtc_pdev)) - return PTR_ERR(ppc_rtc_pdev); - - rtc = rtc_device_register("ppc_md", &ppc_rtc_pdev->dev, - &ppc_rtc_ops, THIS_MODULE); - if (IS_ERR(rtc)) { - platform_device_unregister(ppc_rtc_pdev); - return PTR_ERR(rtc); - } - - return 0; -} - -static void __exit ppc_rtc_exit(void) -{ - rtc_device_unregister(rtc); - platform_device_unregister(ppc_rtc_pdev); -} - -module_init(ppc_rtc_init); -module_exit(ppc_rtc_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("David Woodhouse "); -MODULE_DESCRIPTION("Generic RTC class driver for PowerPC");