This is a note to let you know that I've just added the patch titled
net: bcm4908: Handle dma_set_coherent_mask error codes
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-bcm4908-handle-dma_set_coherent_mask-error-codes.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.
>From 128f6ec95a282b2d8bc1041e59bf65810703fa44 Mon Sep 17 00:00:00 2001
From: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date: Fri, 3 Dec 2021 11:31:06 +0800
Subject: net: bcm4908: Handle dma_set_coherent_mask error codes
From: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
commit 128f6ec95a282b2d8bc1041e59bf65810703fa44 upstream.
The return value of dma_set_coherent_mask() is not always 0.
To catch the exception in case that dma is not support the mask.
Fixes: 9d61d138ab30 ("net: broadcom: rename BCM4908 driver & update DT binding")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/broadcom/bcm4908_enet.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
@@ -708,7 +708,9 @@ static int bcm4908_enet_probe(struct pla
enet->irq_tx = platform_get_irq_byname(pdev, "tx");
- dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
+ err = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
+ if (err)
+ return err;
err = bcm4908_enet_dma_alloc(enet);
if (err)
Patches currently in stable-queue which might be from jiasheng@xxxxxxxxxxx are
queue-5.15/net-bcm4908-handle-dma_set_coherent_mask-error-codes.patch
