From: Michael Spang spang@chromium.org
[port of Linux kernel commit bcd218be5aeb by Steve Glendinning]
The eeprom read & write commands currently check the E2P_CMD_LOADED_ bit is set before allowing any operations. This prevents any reading or writing unless a correctly programmed EEPROM is installed.
Signed-off-by: Michael Spang spang@chromium.org Signed-off-by: Simon Glass sjg@chromium.org Acked-by: Marek Vasut marex@denx.de --- Changes in v2: None
drivers/usb/eth/smsc95xx.c | 4 ---- 1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/eth/smsc95xx.c b/drivers/usb/eth/smsc95xx.c index dc5ca65..fd8f8a7 100644 --- a/drivers/usb/eth/smsc95xx.c +++ b/drivers/usb/eth/smsc95xx.c @@ -265,10 +265,6 @@ static int smsc95xx_eeprom_confirm_not_busy(struct ueth_data *dev)
do { smsc95xx_read_reg(dev, E2P_CMD, &val); - if (!(val & E2P_CMD_LOADED_)) { - debug("No EEPROM present\n"); - return -1; - } if (!(val & E2P_CMD_BUSY_)) return 0; udelay(40);