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SubjectRe: [PATCH] [v2, -net] cpsw/netcp: cpts depends on posix_timers
On Mon, 20 Mar 2017, Arnd Bergmann wrote:

> With posix timers having become optional, we get a build error with
> the cpts time sync option of the CPSW driver:
>
> drivers/net/ethernet/ti/cpts.c: In function 'cpts_find_ts':
> drivers/net/ethernet/ti/cpts.c:291:23: error: implicit declaration of function 'ptp_classify_raw';did you mean 'ptp_classifier_init'? [-Werror=implicit-function-declaration]
>
> This adds a hard dependency on PTP_CLOCK to avoid the problem, as
> building it without PTP support makes no sense anyway.
>
> Fixes: baa73d9e478f ("posix-timers: Make them configurable")
> Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
> Cc: stable@vger.kernel.org
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Acked-by: Nicolas Pitre <nico@linaro.org>

> ---
> v2: use 'depends on' instead of 'select' as suggested by Nico.
> ---
> drivers/net/ethernet/ti/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig
> index d923890a9fda..9e631952b86f 100644
> --- a/drivers/net/ethernet/ti/Kconfig
> +++ b/drivers/net/ethernet/ti/Kconfig
> @@ -76,7 +76,7 @@ config TI_CPSW
> config TI_CPTS
> bool "TI Common Platform Time Sync (CPTS) Support"
> depends on TI_CPSW || TI_KEYSTONE_NETCP
> - imply PTP_1588_CLOCK
> + depends on PTP_1588_CLOCK
> ---help---
> This driver supports the Common Platform Time Sync unit of
> the CPSW Ethernet Switch and Keystone 2 1g/10g Switch Subsystem.
> --
> 2.9.0
>
>

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