netdev - [PATCH] net: broadcom: Add PTP_1588_CLOCK_OPTIONAL dependency for BCMGENET under ARCH

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Message-ID: <20221125115003.30308-1-yuehaibing@huawei.com>
Date:   Fri, 25 Nov 2022 19:50:03 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <yuehaibing@...wei.com>,
        <f.fainelli@...adcom.com>, <arnd@...db.de>,
        <naresh.kamboju@...aro.org>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <gregkh@...uxfoundation.org>
Subject: [PATCH] net: broadcom: Add PTP_1588_CLOCK_OPTIONAL dependency for BCMGENET under ARCH_BCM2835

commit 8d820bc9d12b ("net: broadcom: Fix BCMGENET Kconfig") fixes the build
that contain 99addbe31f55 ("net: broadcom: Select BROADCOM_PHY for BCMGENET")
and enable BCMGENET=y but PTP_1588_CLOCK_OPTIONAL=m, which otherwise
leads to a link failure. However this may trigger a runtime failure.

Fix the original issue by propagating the PTP_1588_CLOCK_OPTIONAL dependency
of BROADCOM_PHY down to BCMGENET.

Fixes: 8d820bc9d12b ("net: broadcom: Fix BCMGENET Kconfig")
Fixes: 99addbe31f55 ("net: broadcom: Select BROADCOM_PHY for BCMGENET")
Reported-by: Naresh Kamboju <naresh.kamboju@...aro.org>
Suggested-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/net/ethernet/broadcom/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig
index 55dfdb34e37b..f4ca0c6c0f51 100644
--- a/drivers/net/ethernet/broadcom/Kconfig
+++ b/drivers/net/ethernet/broadcom/Kconfig
@@ -71,13 +71,14 @@ config BCM63XX_ENET
 config BCMGENET
 	tristate "Broadcom GENET internal MAC support"
 	depends on HAS_IOMEM
+	depends on PTP_1588_CLOCK_OPTIONAL || !ARCH_BCM2835
 	select MII
 	select PHYLIB
 	select FIXED_PHY
 	select BCM7XXX_PHY
 	select MDIO_BCM_UNIMAC
 	select DIMLIB
-	select BROADCOM_PHY if (ARCH_BCM2835 && PTP_1588_CLOCK_OPTIONAL)
+	select BROADCOM_PHY if ARCH_BCM2835
 	help
 	  This driver supports the built-in Ethernet MACs found in the
 	  Broadcom BCM7xxx Set Top Box family chipset.
-- 
2.17.1