This is a note to let you know that I've just added the patch titled net: dsa: b53: mmap: fix device tree support to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-dsa-b53-mmap-fix-device-tree-support.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 8153275da2e26e9580d4f3ff908b3b6f8c12ec71 Author: Álvaro Fernández Rojas <noltari@xxxxxxxxx> Date: Thu Mar 16 18:28:07 2023 +0100 net: dsa: b53: mmap: fix device tree support [ Upstream commit 30796d0dcb6e41c6558a07950f2ce60c209da867 ] CPU port should also be enabled in order to get a working switch. Fixes: a5538a777b73 ("net: dsa: b53: mmap: Add device tree support") Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx> Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx> Link: https://lore.kernel.org/r/20230316172807.460146-1-noltari@xxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/dsa/b53/b53_mmap.c b/drivers/net/dsa/b53/b53_mmap.c index ae4c79d39bc04..3388f620fac99 100644 --- a/drivers/net/dsa/b53/b53_mmap.c +++ b/drivers/net/dsa/b53/b53_mmap.c @@ -263,7 +263,7 @@ static int b53_mmap_probe_of(struct platform_device *pdev, if (of_property_read_u32(of_port, "reg", ®)) continue; - if (reg < B53_CPU_PORT) + if (reg < B53_N_PORTS) pdata->enabled_ports |= BIT(reg); }