linux-kernel - [PATCH 5.15 520/530] net: ethernet: ti: davinci

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Message-Id: <20221024113108.542283075@linuxfoundation.org>
Date:   Mon, 24 Oct 2022 13:34:24 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Ravi Gunasekaran <r-gunasekaran@...com>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@...il.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.15 520/530] net: ethernet: ti: davinci_mdio: fix build for mdio bitbang uses

From: Randy Dunlap <rdunlap@...radead.org>

commit 35bbe652c421037822aba29423f5f1f7d0d69f3f upstream.

davinci_mdio.c uses mdio bitbang APIs, so it should select
MDIO_BITBANG to prevent build errors.

arm-linux-gnueabi-ld: drivers/net/ethernet/ti/davinci_mdio.o: in function `davinci_mdio_remove':
drivers/net/ethernet/ti/davinci_mdio.c:649: undefined reference to `free_mdio_bitbang'
arm-linux-gnueabi-ld: drivers/net/ethernet/ti/davinci_mdio.o: in function `davinci_mdio_probe':
drivers/net/ethernet/ti/davinci_mdio.c:545: undefined reference to `alloc_mdio_bitbang'
arm-linux-gnueabi-ld: drivers/net/ethernet/ti/davinci_mdio.o: in function `davinci_mdiobb_read':
drivers/net/ethernet/ti/davinci_mdio.c:236: undefined reference to `mdiobb_read'
arm-linux-gnueabi-ld: drivers/net/ethernet/ti/davinci_mdio.o: in function `davinci_mdiobb_write':
drivers/net/ethernet/ti/davinci_mdio.c:253: undefined reference to `mdiobb_write'

Fixes: d04807b80691 ("net: ethernet: ti: davinci_mdio: Add workaround for errata i2329")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Grygorii Strashko <grygorii.strashko@...com>
Cc: Ravi Gunasekaran <r-gunasekaran@...com>
Cc: Eric Dumazet <edumazet@...gle.com>
Cc: Paolo Abeni <pabeni@...hat.com>
Cc: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: Sudip Mukherjee (Codethink) <sudipm.mukherjee@...il.com>
Link: https://lore.kernel.org/r/20220824024216.4939-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/ti/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/ti/Kconfig
+++ b/drivers/net/ethernet/ti/Kconfig
@@ -33,6 +33,7 @@ config TI_DAVINCI_MDIO
 	tristate "TI DaVinci MDIO Support"
 	depends on ARCH_DAVINCI || ARCH_OMAP2PLUS || ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST
 	select PHYLIB
+	select MDIO_BITBANG
 	help
 	  This driver supports TI's DaVinci MDIO module.