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| author | Justin Chen <justinpopo6@gmail.com> | 2022-07-20 17:28:14 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-07-22 21:43:58 -0700 |
| commit | c4bf747c68892f165e8bf22da2a14dfa304bdaf7 (patch) | |
| tree | d0cf10fe46b5a1bf9a4824e66c6db4fceac4f944 /drivers/net/usb | |
| parent | 843f92052da7694e846e8e12bbe2342845d2033e (diff) | |
| download | linux-c4bf747c68892f165e8bf22da2a14dfa304bdaf7.tar.gz linux-c4bf747c68892f165e8bf22da2a14dfa304bdaf7.tar.bz2 linux-c4bf747c68892f165e8bf22da2a14dfa304bdaf7.zip | |
net: usb: ax88179_178a: restore state on resume
The hardware state was only partially restored, which meant certain
functionality was broken on resume. Do a full HW reset on resume to
fix this.
Signed-off-by: Justin Chen <justinpopo6@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/usb')
| -rw-r--r-- | drivers/net/usb/ax88179_178a.c | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index c641fd4970d1..1cc388a385b2 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -465,37 +465,12 @@ static int ax88179_auto_detach(struct usbnet *dev) static int ax88179_resume(struct usb_interface *intf) { struct usbnet *dev = usb_get_intfdata(intf); - u16 tmp16; - u8 tmp8; ax88179_set_pm_mode(dev, true); usbnet_link_change(dev, 0, 0); - /* Power up ethernet PHY */ - tmp16 = 0; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, - 2, 2, &tmp16); - udelay(1000); - - tmp16 = AX_PHYPWR_RSTCTL_IPRL; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, - 2, 2, &tmp16); - msleep(200); - - /* Ethernet PHY Auto Detach*/ - ax88179_auto_detach(dev); - - /* Enable clock */ - ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8); - tmp8 |= AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8); - msleep(100); - - /* Configure RX control register => start operation */ - tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START | - AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB; - ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16); + ax88179_reset(dev); ax88179_set_pm_mode(dev, false); |