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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Jonas Dreßler" <verdre@v0yd.nl>
Cc: "Amitkumar Karwar" <amitkarwar@gmail.com>,
	"Ganapathi Bhat" <ganapathi017@gmail.com>,
	"Xinming Hu" <huxinming820@gmail.com>,
	"Kalle Valo" <kvalo@codeaurora.org>,
	"David S. Miller" <davem@davemloft.net>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Tsuchiya Yuto" <kitakar@gmail.com>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	"Maximilian Luz" <luzmaximilian@gmail.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Pali Rohár" <pali@kernel.org>,
	"Heiner Kallweit" <hkallweit1@gmail.com>,
	"Johannes Berg" <johannes@sipsolutions.net>,
	"Brian Norris" <briannorris@chromium.org>,
	stable@vger.kernel.org
Subject: Re: [PATCH v2 2/2] mwifiex: Try waking the firmware until we get an interrupt
Date: Fri, 1 Oct 2021 00:16:23 +0300	[thread overview]
Message-ID: <YVYpJ4Thd0VHTDLT@smile.fi.intel.com> (raw)
In-Reply-To: <98c1b772-ae6b-e435-030e-399f613061ba@v0yd.nl>

On Thu, Sep 30, 2021 at 11:07:09PM +0200, Jonas Dreßler wrote:
> On 9/30/21 10:58 PM, Andy Shevchenko wrote:
> > On Thu, Sep 30, 2021 at 08:04:00PM +0200, Jonas Dreßler wrote:

...

> > Second, what is the problem with having one write more or less?
> > Your current code doesn't guarantee this either. It only decreases
> > probability of such scenario. Am I wrong?
> 
> Indeed my approach just decreases the probability and we sometimes end up
> writing twice to wakeup the card, but it would kinda bug me if we'd always
> do one write too much.
> 
> Anyway, if you still prefer the read_poll_timeout() solution I'd be alright
> with that of course.

Yes, it will make code cleaner.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2021-09-30 21:16 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-14 11:48 [PATCH v2 0/2] mwifiex: Work around firmware bugs on 88W8897 chip Jonas Dreßler
2021-09-14 11:48 ` [PATCH v2 1/2] mwifiex: Use non-posted PCI write when setting TX ring write pointer Jonas Dreßler
2021-09-22 11:17   ` Andy Shevchenko
2021-09-22 12:08     ` Jonas Dreßler
2021-09-22 13:22       ` Andy Shevchenko
2021-09-22 14:03   ` David Laight
2021-09-22 14:27     ` Pali Rohár
2021-09-22 15:54       ` David Laight
2021-09-30 14:27         ` Jonas Dreßler
2021-10-06 16:01           ` Jonas Dreßler
2021-09-14 11:48 ` [PATCH v2 2/2] mwifiex: Try waking the firmware until we get an interrupt Jonas Dreßler
2021-09-22 11:19   ` Andy Shevchenko
2021-09-30 18:04     ` Jonas Dreßler
2021-09-30 20:58       ` Andy Shevchenko
2021-09-30 21:07         ` Jonas Dreßler
2021-09-30 21:16           ` Andy Shevchenko [this message]
2021-10-03  9:18   ` Jonas Dreßler
2021-10-04 17:52     ` Brian Norris
2021-09-27 20:30 ` [PATCH v2 0/2] mwifiex: Work around firmware bugs on 88W8897 chip Brian Norris

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