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net: phy: aquantia: autodetect if firmware needs to be loaded

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If the phy reports a valid firmware version and doesn't indicate
a fault, skip loading the firmware.  This allows the same image
to be used on boards that have firmware storage and those that do not.

Signed-off-by: Jeremy Gebben <jgebben@sweptlaser.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Jeremy Gebben 2018-09-18 15:49:37 -06:00 committed by Joe Hershberger
parent 4506423ad2
commit 30a2c8cca8
1 changed files with 22 additions and 6 deletions
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28
drivers/net/phy/aquantia.c
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@ -236,18 +236,34 @@ done:
#else
static int aquantia_upload_firmware(struct phy_device *phydev)
{
return 0;
printf("ERROR %s firmware loading disabled.\n", phydev->dev->name);
return -1;
}
#endif
int aquantia_config(struct phy_device *phydev)
{
u32 val;
int ret;
u32 val, id, rstatus, fault;
ret = aquantia_upload_firmware(phydev);
if (ret != 0)
return ret;
id = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FIRMWARE_ID);
rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_RSTATUS_1);
fault = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FAULT);
if (id != 0)
printf("%s running firmware version %X.%X.%X\n",
phydev->dev->name, (id >> 8), id & 0xff,
(rstatus >> 4) & 0xf);
if (fault != 0)
printf("%s fault 0x%04x detected\n", phydev->dev->name, fault);
if (id == 0 || fault != 0) {
int ret;
ret = aquantia_upload_firmware(phydev);
if (ret != 0)
return ret;
}
val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);