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
---
drivers/net/phy/aquantia.c | 28 ++--
1 file changed, 22 insertions(+), 6 deletions(-)
diff --git a/drivers/net/phy/aquantia.c b/drivers/net/phy/aquantia.c
index cbd70120d1..37749e0185 100644
--- a/drivers/net/phy/aquantia.c
+++ b/drivers/net/phy/aquantia.c
@@ -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);
--
2.17.1
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