linux-kernel - Re: [PATCH net] wifi: iwlwifi: mvm: add dependency for PTP clock

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Message-ID: <0eb672e4c845b90fb3e79be4fa30ba80b13a7ec8.camel@intel.com>
Date:   Tue, 15 Aug 2023 08:47:53 +0000
From:   "Greenman, Gregory" <gregory.greenman@...el.com>
To:     "rdunlap@...radead.org" <rdunlap@...radead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     lkp <lkp@...el.com>, "Coelho, Luciano" <luciano.coelho@...el.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "Berg, Johannes" <johannes.berg@...el.com>,
        "kvalo@...nel.org" <kvalo@...nel.org>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "Prabhu, Krishnanand" <krishnanand.prabhu@...el.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net] wifi: iwlwifi: mvm: add dependency for PTP clock

On Fri, 2023-08-11 at 22:29 -0700, Randy Dunlap wrote:
> When the code to use the PTP HW clock was added, it didn't update
> the Kconfig entry for the PTP dependency, leading to build errors,
> so update the Kconfig entry to depend on PTP_1588_CLOCK_OPTIONAL.
> 
> aarch64-linux-ld: drivers/net/wireless/intel/iwlwifi/mvm/ptp.o: in function `iwl_mvm_ptp_init':
> drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:294: undefined reference to `ptp_clock_register'
> drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:294:(.text+0xce8): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `ptp_clock_register'
> aarch64-linux-ld: drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:301: undefined reference to `ptp_clock_index'
> drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:301:(.text+0xd18): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `ptp_clock_index'
> aarch64-linux-ld: drivers/net/wireless/intel/iwlwifi/mvm/ptp.o: in function `iwl_mvm_ptp_remove':
> drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:315: undefined reference to `ptp_clock_index'
> drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:315:(.text+0xe80): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `ptp_clock_index'
> aarch64-linux-ld: drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:319: undefined reference to `ptp_clock_unregister'
> drivers/net/wireless/intel/iwlwifi/mvm/ptp.c:319:(.text+0xeac): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `ptp_clock_unregister'
> 
> Fixes: 1595ecce1cf3 ("wifi: iwlwifi: mvm: add support for PTP HW clock (PHC)")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Reported-by: kernel test robot <lkp@...el.com>
> Link: https://lore.kernel.org/all/202308110447.4QSJHmFH-lkp@intel.com/
> Cc: Krishnanand Prabhu <krishnanand.prabhu@...el.com>
> Cc: Luca Coelho <luciano.coelho@...el.com>
> Cc: Gregory Greenman <gregory.greenman@...el.com>
> Cc: Johannes Berg <johannes.berg@...el.com>
> Cc: Kalle Valo <kvalo@...nel.org>
> Cc: linux-wireless@...r.kernel.org
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Eric Dumazet <edumazet@...gle.com>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Paolo Abeni <pabeni@...hat.com>
> Cc: netdev@...r.kernel.org
> ---
>  drivers/net/wireless/intel/iwlwifi/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff -- a/drivers/net/wireless/intel/iwlwifi/Kconfig b/drivers/net/wireless/intel/iwlwifi/Kconfig
> --- a/drivers/net/wireless/intel/iwlwifi/Kconfig
> +++ b/drivers/net/wireless/intel/iwlwifi/Kconfig
> @@ -66,6 +66,7 @@ config IWLMVM
>         tristate "Intel Wireless WiFi MVM Firmware support"
>         select WANT_DEV_COREDUMP
>         depends on MAC80211
> +       depends on PTP_1588_CLOCK_OPTIONAL
>         help
>           This is the driver that supports the MVM firmware. The list
>           of the devices that use this firmware is available here:

Acked-by: Gregory Greenman <gregory.greenman@...el.com>