From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753101Ab3LSHyf (ORCPT ); Thu, 19 Dec 2013 02:54:35 -0500 Received: from mail-pd0-f169.google.com ([209.85.192.169]:33556 "EHLO mail-pd0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753056Ab3LSHyb (ORCPT ); Thu, 19 Dec 2013 02:54:31 -0500 From: "Lee, Chun-Yi" To: "Rafael J. Wysocki" , Alessandro Zummo , "H. Peter Anvin" , Matt Fleming , Matthew Garrett Cc: Elliott@hp.com, samer.el-haj-mahmoud@hp.com, Oliver Neukum , werner@suse.com, trenn@suse.de, JBeulich@suse.com, linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, x86@kernel.org, "linux-efi@vger.kernel.org" , linux-acpi@vger.kernel.org, "Lee, Chun-Yi" Subject: [RFC PATCH 08/14] rtc-efi: set uie_unsupported for indicate rtc-efi doesn't support UIE mode Date: Thu, 19 Dec 2013 15:51:49 +0800 Message-Id: <1387439515-8926-9-git-send-email-jlee@suse.com> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1387439515-8926-1-git-send-email-jlee@suse.com> References: <1387439515-8926-1-git-send-email-jlee@suse.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch set uie_unsupported flag when driver probed because current rtc-efi driver doesn't support UIE mode. Otherwise RTC_UIE_ON ioctl doesn't return EINVAL and it causes userspace think the RTC_UIE supported by rtc-efi. Set uie_unsupported then We can enable CONFIG_RTC_INTF_DEV_UIE_EMUL to emulate RTC_UIE on rtc-efi. Signed-off-by: Lee, Chun-Yi --- drivers/rtc/rtc-efi.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/rtc/rtc-efi.c b/drivers/rtc/rtc-efi.c index e0e3c7e..693ea47 100644 --- a/drivers/rtc/rtc-efi.c +++ b/drivers/rtc/rtc-efi.c @@ -293,6 +293,8 @@ static int efi_rtc_probe(struct platform_device *dev) rtc->caps = (RTC_TZ_CAP | RTC_DST_CAP); + rtc->uie_unsupported = 1; + platform_set_drvdata(dev, rtc); return 0; -- 1.6.4.2