[PATCH 5.19 703/717] net: ethernet: ti: davinci_mdio: fix build for mdio bitbang uses

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From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
Cc: Grygorii Strashko <grygorii.strashko@xxxxxx>
Cc: Ravi Gunasekaran <r-gunasekaran@xxxxxx>
Cc: Eric Dumazet <edumazet@xxxxxxxxxx>
Cc: Paolo Abeni <pabeni@xxxxxxxxxx>
Cc: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>
Cc: Sudip Mukherjee (Codethink) <sudipm.mukherjee@xxxxxxxxx>
Link: https://lore.kernel.org/r/20220824024216.4939-1-rdunlap@xxxxxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 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.
 





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