[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>
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);