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| /openbmc/linux/drivers/net/phy/ |
| H A D | micrel.c | diff 0316c7e66bbd16cf2d01a4e2f5afa6afb01278f2 Thu Oct 07 11:45:35 CDT 2021 Francesco Dolcini <francesco.dolcini@toradex.com> net: phy: micrel: ksz9131 led errata workaround
Micrel KSZ9131 PHY LED behavior is not correct when configured in
Individual Mode, LED1 (Activity LED) is in the ON state when there is
no-link.
Workaround this by setting bit 9 of register 0x1e after verifying that
the LED configuration is Individual Mode.
This issue is described in KSZ9131RNX Silicon Errata DS80000693B [*]
and according to that it will not be corrected in a future silicon
revision.
[*] https://ww1.microchip.com/downloads/en/DeviceDoc/KSZ9131RNX-Silicon-Errata-and-Data-Sheet-Clarification-80000863B.pdf
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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