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kernel: rtl8306: fix port link status 

In case the link changes from down to up, the register is only updated
on read. If the link failed/was down, this bit will be 0 until after
reading this bit again.

Fixes a reported link down by swconfig alebit the link is up (query for
the link again will show the correct link status)

Signed-off-by: Mathias Kresin <dev@kresin.me>
openwrt-18.06
Mathias Kresin 2017-08-31 07:52:00 +02:00
parent 47be42c347
commit 096dff8fcd
1 changed files with 4 additions and 0 deletions
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4
target/linux/generic/files/drivers/net/phy/rtl8306.c
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@ -592,7 +592,11 @@ rtl_get_port_link(struct switch_dev *dev, int port, struct switch_port_link *lin
if (port >= RTL8306_NUM_PORTS)
return -EINVAL;
/* in case the link changes from down to up, the register is only updated on read */
link->link = rtl_get(dev, RTL_PORT_REG(port, LINK));
if (!link->link)
link->link = rtl_get(dev, RTL_PORT_REG(port, LINK));
if (!link->link)
return 0;