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From: Arnd Bergmann <arnd@kernel.org>
To: Woojung Huh <woojung.huh@microchip.com>,
	UNGLinuxDriver@microchip.com, Andrew Lunn <andrew@lunn.ch>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Vladimir Oltean <olteanv@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Richard Cochran <richardcochran@gmail.com>,
	Arun Ramadoss <arun.ramadoss@microchip.com>,
	Jacob Keller <jacob.e.keller@intel.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] net: dsa: microchip: ptp: add one more PTP dependency
Date: Fri, 27 Jan 2023 23:13:03 +0100	[thread overview]
Message-ID: <20230127221323.2522421-1-arnd@kernel.org> (raw)

From: Arnd Bergmann <arnd@arndb.de>

When only NET_DSA_MICROCHIP_KSZ8863_SMI is built-in but
PTP is a loadable module, the ksz_ptp support still causes
a link failure:

ld.lld-16: error: undefined symbol: ptp_clock_index
>>> referenced by ksz_ptp.c
>>>               drivers/net/dsa/microchip/ksz_ptp.o:(ksz_get_ts_info) in archive vmlinux.a

Add the same dependency here that exists with the KSZ9477_I2C
and KSZ_SPI drivers.

Fixes: eac1ea20261e ("net: dsa: microchip: ptp: add the posix clock support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/net/dsa/microchip/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/dsa/microchip/Kconfig b/drivers/net/dsa/microchip/Kconfig
index 0546c573668a..11920939b6d8 100644
--- a/drivers/net/dsa/microchip/Kconfig
+++ b/drivers/net/dsa/microchip/Kconfig
@@ -36,6 +36,7 @@ config NET_DSA_MICROCHIP_KSZ_PTP
 config NET_DSA_MICROCHIP_KSZ8863_SMI
 	tristate "KSZ series SMI connected switch driver"
 	depends on NET_DSA_MICROCHIP_KSZ_COMMON
+	depends on PTP_1588_CLOCK_OPTIONAL
 	select MDIO_BITBANG
 	help
 	  Select to enable support for registering switches configured through
-- 
2.39.0


             reply	other threads:[~2023-01-27 22:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-27 22:13 Arnd Bergmann [this message]
2023-01-27 23:58 ` [PATCH] net: dsa: microchip: ptp: add one more PTP dependency Richard Cochran
2023-01-28 21:44   ` Arnd Bergmann

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