From: David Miller <davem@davemloft.net>
To: grygorii.strashko@ti.com
Cc: netdev@vger.kernel.org, nsekhar@ti.com,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH v2] net: ethernet: ti: cpsw: fix extra rx interrupt
Date: Sat, 07 Dec 2019 11:57:12 -0800 (PST) [thread overview]
Message-ID: <20191207.115712.355931673337702807.davem@davemloft.net> (raw)
In-Reply-To: <20191206122820.24811-1-grygorii.strashko@ti.com>
From: Grygorii Strashko <grygorii.strashko@ti.com>
Date: Fri, 6 Dec 2019 14:28:20 +0200
> Now RX interrupt is triggered twice every time, because in
> cpsw_rx_interrupt() it is asked first and then disabled. So there will be
> pending interrupt always, when RX interrupt is enabled again in NAPI
> handler.
>
> Fix it by first disabling IRQ and then do ask.
>
> Fixes: 870915feabdc ("drivers: net: cpsw: remove disable_irq/enable_irq as irq can be masked from cpsw itself")
> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Applied and queued up for -stable.
prev parent reply other threads:[~2019-12-07 19:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-06 12:28 [PATCH v2] net: ethernet: ti: cpsw: fix extra rx interrupt Grygorii Strashko
2019-12-06 12:28 ` Grygorii Strashko
2019-12-07 19:57 ` David Miller [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191207.115712.355931673337702807.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=grygorii.strashko@ti.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-omap@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=nsekhar@ti.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.