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generic: ar8216: move chip id reading into a separate function

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for mdio-device probing we still need to read chip id but ar8xxx_chip
can be determined using drvdata. We can't distinguish the buggy
standalone ar8216 and the builtin ar8216 in ar724x/ar933x using chip
id.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This commit is contained in:
Chuanhong Guo 2019-01-10 13:05:00 +08:00 committed by Petr Štetiar
parent 3771176c9e
commit 15323c4ef8
1 changed files with 12 additions and 1 deletions
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13
target/linux/generic/files/drivers/net/phy/ar8216.c
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@ -1813,7 +1813,7 @@ static const struct ar8xxx_chip ar8316_chip = {
}; };
static int static int
ar8xxx_id_chip(struct ar8xxx_priv *priv) ar8xxx_read_id(struct ar8xxx_priv *priv)
{ {
u32 val; u32 val;
u16 id; u16 id;
@ -1838,6 +1838,17 @@ ar8xxx_id_chip(struct ar8xxx_priv *priv)
priv->chip_ver = (id & AR8216_CTRL_VERSION) >> AR8216_CTRL_VERSION_S; priv->chip_ver = (id & AR8216_CTRL_VERSION) >> AR8216_CTRL_VERSION_S;
priv->chip_rev = (id & AR8216_CTRL_REVISION); priv->chip_rev = (id & AR8216_CTRL_REVISION);
return 0;
}
static int
ar8xxx_id_chip(struct ar8xxx_priv *priv)
{
int ret;
ret = ar8xxx_read_id(priv);
if(ret)
return ret;
switch (priv->chip_ver) { switch (priv->chip_ver) {
case AR8XXX_VER_AR8216: case AR8XXX_VER_AR8216: