Re: [PATCH net v1 1/1] net: lan78xx: fix runtime PM count underflow on link stop

From: patchwork-bot+netdevbpf
Date: Fri Mar 01 2024 - 03:40:45 EST


Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@xxxxxxxxxxxxx>:

On Wed, 28 Feb 2024 13:45:17 +0100 you wrote:
> Current driver has some asymmetry in the runtime PM calls. On lan78xx_open()
> it will call usb_autopm_get() and unconditionally usb_autopm_put(). And
> on lan78xx_stop() it will call only usb_autopm_put(). So far, it was
> working only because this driver do not activate autosuspend by default,
> so it was visible only by warning "Runtime PM usage count underflow!".
>
> Since, with current driver, we can't use runtime PM with active link,
> execute lan78xx_open()->usb_autopm_put() only in error case. Otherwise,
> keep ref counting high as long as interface is open.
>
> [...]

Here is the summary with links:
- [net,v1,1/1] net: lan78xx: fix runtime PM count underflow on link stop
https://git.kernel.org/netdev/net/c/1eecc7ab82c4

You are awesome, thank you!
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