Re: [PATCH net] net: phy: realtek: fix rtl8211e rx/tx delay config
From: Jakub Kicinski
Date: Fri Sep 25 2020 - 17:41:17 EST
On Fri, 25 Sep 2020 15:25:15 +0800 Willy Liu wrote:
> There are two chip pins named TXDLY and RXDLY which actually adds the 2ns
> delays to TXC and RXC for TXD/RXD latching. These two pins can config via
> 4.7k-ohm resistor to 3.3V hw setting, but also config via software setting
> (extension page 0xa4 register 0x1c bit13 12 and 11).
>
> The configuration register definitions from table 13 official PHY datasheet:
> PHYAD[2:0] = PHY Address
> AN[1:0] = Auto-Negotiation
> Mode = Interface Mode Select
> RX Delay = RX Delay
> TX Delay = TX Delay
> SELRGV = RGMII/GMII Selection
Checkpatch says:
ERROR: do not set execute permissions for source files
#48: FILE: drivers/net/phy/realtek.c
ERROR: trailing whitespace
#91: FILE: drivers/net/phy/realtek.c:266:
+^I * the RX/TX delays otherwise controlled by RXDLY/TXDLY pins. $
total: 2 errors, 0 warnings, 0 checks, 54 lines checked