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From: Marek Vasut <marex@denx.de>
To: Ajay.Kathat@microchip.com, alexis.lothore@bootlin.com,
	linux-wireless@vger.kernel.org
Cc: davem@davemloft.net, adham.abozaeid@microchip.com,
	claudiu.beznea@tuxon.dev, conor+dt@kernel.org,
	edumazet@google.com, kuba@kernel.org, kvalo@kernel.org,
	krzk+dt@kernel.org, pabeni@redhat.com, robh@kernel.org,
	devicetree@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] wifi: wilc1000: Rework bus locking
Date: Mon, 4 Nov 2024 12:44:07 +0100	[thread overview]
Message-ID: <16e5c8d7-64ac-424e-9430-b683ae16a34e@denx.de> (raw)
In-Reply-To: <9d20b408-72a4-49f0-aca6-108dfdd65f99@denx.de>

On 10/23/24 8:47 PM, Marek Vasut wrote:

Hello again,

>> Is power-save enabled during the test. With PS enabled, The SDIO 
>> commands may
>> fail momentarily but it should recover.
> 
> It seems it gets enabled after first ifconfig up, that's a good hint, 
> I'll try to disable it and see if that makes them errors go away. Thanks!
> 
> Do you have any details on WHY would such sporadic errors occur and how 
> to make those go away even with PS enabled ?
Can you explain why does uAPSD (iw ...set power_save off) adversely 
affect SDIO bus stability ?

Can you explain how to prevent that or shall we disable uAPSD altogether ?

Thank you

  reply	other threads:[~2024-11-04 12:14 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-22  1:38 [PATCH] wifi: wilc1000: Rework bus locking Marek Vasut
2024-10-22 10:43 ` Alexis Lothoré
2024-10-22 13:19   ` Marek Vasut
2024-10-23  7:17     ` Ajay.Kathat
2024-10-23 14:44       ` Marek Vasut
2024-10-23 17:54         ` Ajay.Kathat
2024-10-23 18:47           ` Marek Vasut
2024-11-04 11:44             ` Marek Vasut [this message]
2024-11-07  1:28               ` Ajay.Kathat
2024-11-07 16:10                 ` Marek Vasut
2024-11-15 14:33                   ` Marek Vasut
2024-11-15 20:04                     ` Ajay.Kathat
2024-11-16 19:57                       ` Marek Vasut
2024-11-21  1:39                         ` Marek Vasut
2024-10-23  7:54     ` Alexis Lothoré
2024-10-23 14:26       ` Marek Vasut
2024-10-22 20:33 ` kernel test robot
2024-10-23  1:53 ` kernel test robot

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