From mboxrd@z Thu Jan 1 00:00:00 1970 From: "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> References: <1387439515-8926-1-git-send-email-jlee@suse.com> Return-path: In-Reply-To: <1387439515-8926-1-git-send-email-jlee@suse.com> Sender: linux-kernel-owner@vger.kernel.org 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" List-Id: linux-efi@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