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From: Jes Sorensen <>
Subject: Re: [PATCH] rtl8xxxu: disable interrupt_in transfer for 8188cu and 8192cu
Date: Tue, 6 Jul 2021 13:35:56 -0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 7/1/21 12:33 PM, wrote:
> From: Chris Chiu <>
> There will be crazy numbers of interrupts triggered by 8188cu and
> 8192cu module, around 8000~10000 interrupts per second, on the usb
> host controller. Compare with the vendor driver source code, it's
> mapping to the configuration CONFIG_USB_INTERRUPT_IN_PIPE and it is
> disabled by default.
> Since the interrupt transfer is neither used for TX/RX nor H2C
> commands. Disable it to avoid the confusing interrupts for the
> 8188cu and 8192cu module which I only have for verification.
> Signed-off-by: Chris Chiu <>

I remember noticing this earlier but never had a chance to dig into it.

Thanks for fixing this!

Acked-by: Jes Sorensen <>


  parent reply	other threads:[~2021-07-06 17:36 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-01 16:33 [PATCH] rtl8xxxu: disable interrupt_in transfer for 8188cu and 8192cu chris.chiu
2021-07-02  8:41 ` Kalle Valo
2021-07-05  9:00   ` Chris Chiu
2021-07-05  0:35 ` Reto Schneider
2021-07-06 17:35 ` Jes Sorensen [this message]
2021-08-21 18:17 ` Kalle Valo

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