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mdio-bitbang: Export mdiobb_{read,write}()

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Export mdiobb_read() and mdiobb_write(), so Ethernet controller drivers
can call them from their MDIO read/write wrappers.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Geert Uytterhoeven 2021-01-18 16:06:55 +01:00 committed by Jakub Kicinski
parent 7e238de828
commit 8eed01b5ca
2 changed files with 7 additions and 2 deletions
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6
drivers/net/mdio/mdio-bitbang.c
View File

@ -149,7 +149,7 @@ static int mdiobb_cmd_addr(struct mdiobb_ctrl *ctrl, int phy, u32 addr)
return dev_addr;
}
static int mdiobb_read(struct mii_bus *bus, int phy, int reg)
int mdiobb_read(struct mii_bus *bus, int phy, int reg)
{
struct mdiobb_ctrl *ctrl = bus->priv;
int ret, i;
@ -180,8 +180,9 @@ static int mdiobb_read(struct mii_bus *bus, int phy, int reg)
mdiobb_get_bit(ctrl);
return ret;
}
EXPORT_SYMBOL(mdiobb_read);
static int mdiobb_write(struct mii_bus *bus, int phy, int reg, u16 val)
int mdiobb_write(struct mii_bus *bus, int phy, int reg, u16 val)
{
struct mdiobb_ctrl *ctrl = bus->priv;
@ -201,6 +202,7 @@ static int mdiobb_write(struct mii_bus *bus, int phy, int reg, u16 val)
mdiobb_get_bit(ctrl);
return 0;
}
EXPORT_SYMBOL(mdiobb_write);
struct mii_bus *alloc_mdio_bitbang(struct mdiobb_ctrl *ctrl)
{

3
include/linux/mdio-bitbang.h
View File

@ -35,6 +35,9 @@ struct mdiobb_ctrl {
const struct mdiobb_ops *ops;
};
int mdiobb_read(struct mii_bus *bus, int phy, int reg);
int mdiobb_write(struct mii_bus *bus, int phy, int reg, u16 val);
/* The returned bus is not yet registered with the phy layer. */
struct mii_bus *alloc_mdio_bitbang(struct mdiobb_ctrl *ctrl);