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

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Message-ID: <ZNkFDufqMRYoIAGV@vergenet.net>
Date:   Sun, 13 Aug 2023 18:30:06 +0200
From:   Simon Horman <horms@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Krishnanand Prabhu <krishnanand.prabhu@...el.com>,
        Luca Coelho <luciano.coelho@...el.com>,
        Gregory Greenman <gregory.greenman@...el.com>,
        Johannes Berg <johannes.berg@...el.com>,
        Kalle Valo <kvalo@...nel.org>, linux-wireless@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        Richard Cochran <richardcochran@...il.com>
Subject: Re: [PATCH net] wifi: iwlwifi: mvm: add dependency for PTP clock

+ Richard Cochran

On Fri, Aug 11, 2023 at 10:29:47PM -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

Reviewed-by: Simon Horman <horms@...nel.org>
Tested-by: Simon Horman <horms@...nel.org> # build-tested

> ---
>  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:
>