Hi!
On Sun, Oct 4, 2020 at 12:33 PM Baptiste Jonglez
wrote:
>
> Hi,
>
> Thanks a lot for fixing this!
>
> Can you backport it to openwrt-19.07? ath79 is also affected there.
backport pushed.
--
Regards,
Chuanhong Guo
___
openwrt-devel mailing list
-reg-access-atomic.patch
> @@ -0,0 +1,61 @@
> +From b3797d1a92afe97c173b00fdb7824cedba24eef0 Mon Sep 17 00:00:00 2001
> +From: Chuanhong Guo
> +Date: Sun, 20 Sep 2020 01:00:45 +0800
> +Subject: [PATCH] ath79: ar8216: make switch register access atomic
> +
> +due to some unkno
Hi!
On Tue, Sep 22, 2020 at 12:37 AM Felix Fietkau wrote:
> You could try making a global spinlock in ag71xx_mdio.c and do
> spin_lock_bh(&mdio_lock) in ag71xx_mdio_mii_read and ag71xx_mdio_mii_write
I've just tried that and it doesn't work.
Should I move local_irq_save below mutex_lock and send
> -Original Message-
> From: openwrt-devel [mailto:openwrt-devel-boun...@lists.openwrt.org]
> On Behalf Of Chuanhong Guo
> Sent: Montag, 21. September 2020 08:58
> To: openwrt-de...@openwrt.org
> Cc: Chuanhong Guo
> Subject: [PATCH] ath79: ar8216: make switch r
On 2020-09-21 18:26, Chuanhong Guo wrote:
> Hi!
>
> On Mon, Sep 21, 2020 at 9:24 PM Felix Fietkau wrote:
>> > +
>> > + split_addr((u32) reg, &r1, &r2, &page);
>> > +
>> > ++local_irq_save(flags);
>> > + mutex_lock(&bus->mdio_lock);
>> Taking a mutex in an irq-disabled section is bas
Hi!
On Mon, Sep 21, 2020 at 9:24 PM Felix Fietkau wrote:
> > +
> > + split_addr((u32) reg, &r1, &r2, &page);
> > +
> > ++local_irq_save(flags);
> > + mutex_lock(&bus->mdio_lock);
> Taking a mutex in an irq-disabled section is basically asking for a
> deadlock. What router is this issu
00 2001
> +From: Chuanhong Guo
> +Date: Sun, 20 Sep 2020 01:00:45 +0800
> +Subject: [PATCH] ath79: ar8216: make switch register access atomic
> +
> +due to some unknown reason these register accesses sometimes fail
> +on the integrated switch without this patch.
> +
> +THIS O
ccess-atomic.patch
@@ -0,0 +1,61 @@
+From b3797d1a92afe97c173b00fdb7824cedba24eef0 Mon Sep 17 00:00:00 2001
+From: Chuanhong Guo
+Date: Sun, 20 Sep 2020 01:00:45 +0800
+Subject: [PATCH] ath79: ar8216: make switch register access atomic
+
+due to some unknown reason these register accesses sometimes
