diff options
| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2025-06-14 09:59:52 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-06-17 17:52:10 -0700 |
| commit | 9b6c767c312b4709e9aeb2314a6b47863e7fb72d (patch) | |
| tree | 7c0bf2b13e98d64065f6131d7d1c3dc34e53e987 | |
| parent | c45655386e532c85ff1d679fc2aa40b3aaff9916 (diff) | |
net: dsa: b53: prevent FAST_AGE access on BCM5325
BCM5325 doesn't implement FAST_AGE registers so we should avoid reading or
writing them.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250614080000.1884236-7-noltari@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/dsa/b53/b53_common.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 033cd78577f7..e4e71d193b39 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -487,6 +487,9 @@ static int b53_flush_arl(struct b53_device *dev, u8 mask) { unsigned int i; + if (is5325(dev)) + return 0; + b53_write8(dev, B53_CTRL_PAGE, B53_FAST_AGE_CTRL, FAST_AGE_DONE | FAST_AGE_DYNAMIC | mask); @@ -511,6 +514,9 @@ out: static int b53_fast_age_port(struct b53_device *dev, int port) { + if (is5325(dev)) + return 0; + b53_write8(dev, B53_CTRL_PAGE, B53_FAST_AGE_PORT_CTRL, port); return b53_flush_arl(dev, FAST_AGE_PORT); @@ -518,6 +524,9 @@ static int b53_fast_age_port(struct b53_device *dev, int port) static int b53_fast_age_vlan(struct b53_device *dev, u16 vid) { + if (is5325(dev)) + return 0; + b53_write16(dev, B53_CTRL_PAGE, B53_FAST_AGE_VID_CTRL, vid); return b53_flush_arl(dev, FAST_AGE_VLAN); |