2023-11-20 19:24:59

by Sergey Shtylyov

[permalink] [raw]
Subject: Re: [PATCH 02/13] net: ravb: Use pm_runtime_resume_and_get()

On 11/20/23 11:45 AM, Claudiu wrote:

> From: Claudiu Beznea <[email protected]>
>
> pm_runtime_get_sync() may return with error. In case it returns with error
> dev->power.usage_count needs to be decremented. pm_runtime_resume_and_get()
> takes care of this. Thus use it.
>
> Along with this pm_runtime_resume_and_get() and reset_control_deassert()
> were moved before alloc_etherdev_mqs() to simplify the error path.

I don't see how it simplifies the error path...
Re-ordering the statements at the end of the error path seems cheaper than
what you do.

> Also, in case pm_runtime_resume_and_get() returns error the reset signal
> is deasserted and runtime PM is disabled (by jumping to the proper
> error handling label).
>
> Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
> Signed-off-by: Claudiu Beznea <[email protected]>
[...]

MBR, Sergey