linux-kernel - [PATCH 5.15 30/98] net: usb: asix: do not force pause frames support

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Date:   Tue,  5 Jul 2022 13:57:48 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Anton Lundin <glance@....umu.se>,
        Oleksij Rempel <o.rempel@...gutronix.de>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.15 30/98] net: usb: asix: do not force pause frames support

From: Oleksij Rempel <o.rempel@...gutronix.de>

commit ce95ab775f8d8e89a038c0e5611a7381a2ef8e43 upstream.

We should respect link partner capabilities and not force flow control
support on every link. Even more, in current state the MAC driver do not
advertises pause support so we should not keep flow control enabled at
all.

Fixes: e532a096be0e ("net: usb: asix: ax88772: add phylib support")
Reported-by: Anton Lundin <glance@....umu.se>
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
Tested-by: Anton Lundin <glance@....umu.se>
Link: https://lore.kernel.org/r/20220624075139.3139300-2-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/usb/asix.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h
index 2c81236c6c7c..45d3cc5cc355 100644
--- a/drivers/net/usb/asix.h
+++ b/drivers/net/usb/asix.h
@@ -126,8 +126,7 @@
 	 AX_MEDIUM_RE)
 
 #define AX88772_MEDIUM_DEFAULT	\
-	(AX_MEDIUM_FD | AX_MEDIUM_RFC | \
-	 AX_MEDIUM_TFC | AX_MEDIUM_PS | \
+	(AX_MEDIUM_FD | AX_MEDIUM_PS | \
 	 AX_MEDIUM_AC | AX_MEDIUM_RE)
 
 /* AX88772 & AX88178 RX_CTL values */
-- 
2.37.0