From mboxrd@z Thu Jan 1 00:00:00 1970 From: Meelis Roos Subject: parisc hardware clock Date: Sun, 9 Oct 2016 01:16:14 +0300 (EEST) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII To: linux-parisc@vger.kernel.org Return-path: List-ID: List-Id: linux-parisc.vger.kernel.org On my Gentoo hppa systems with custom kernels, I get the following error on bootup: * Setting system clock using the hardware clock [UTC] ... hwclock: settimeofday() failed: Invalid argument * Failed to set the system clock Once the system has booted up, hwclock --hctosys and hwclock --systohc work fine. Maybe something related to gentoo /etc/init.d/hwclock but before reporting it there I want to understand it first. What RTC driver and options should be selected in the kernel for RTC operations to work? I have only RTC_DRV_GENERIC set for RTC drivers. CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y CONFIG_RTC_HCTOSYS_DEVICE="rtc0" CONFIG_RTC_SYSTOHC=y CONFIG_RTC_SYSTOHC_DEVICE="rtc0" # CONFIG_RTC_DEBUG is not set # # RTC interfaces # CONFIG_RTC_INTF_SYSFS=y CONFIG_RTC_INTF_PROC=y CONFIG_RTC_INTF_DEV=y CONFIG_RTC_INTF_DEV_UIE_EMUL=y # CONFIG_RTC_DRV_TEST is not set # # I2C RTC drivers # # # SPI RTC drivers # # # SPI and I2C RTC drivers # # # Platform RTC drivers # # CONFIG_RTC_DRV_DS1286 is not set # CONFIG_RTC_DRV_DS1511 is not set # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1685_FAMILY is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_DS2404 is not set # CONFIG_RTC_DRV_STK17TA8 is not set # CONFIG_RTC_DRV_M48T86 is not set # CONFIG_RTC_DRV_M48T35 is not set # CONFIG_RTC_DRV_M48T59 is not set # CONFIG_RTC_DRV_MSM6242 is not set # CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_RP5C01 is not set # CONFIG_RTC_DRV_V3020 is not set # # on-CPU RTC drivers # CONFIG_RTC_DRV_GENERIC=y # # HID Sensor RTC drivers # -- Meelis Roos (mroos@linux.ee)