lkml.org 
[lkml]   [2024]   [Feb]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH net-next 4/5] net: ravb: Do not apply RX checksum settings to hardware if the interface is down
From
Date
On 2/7/24 3:07 PM, Claudiu wrote:

> From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
>
> Do not apply the RX checksum settings to hardware if the interface is down.
> In case runtime PM is enabled, and while the interface is down, the IP will
> be in reset mode (as for some platforms disabling the clocks will switch
> the IP to reset mode, which will lead to losing registers content) and

The register contents? I thought I'd pointed out all of these...

> applying settings in reset mode is not an option. Instead, cache the RX
> checksum settings and apply them in ravb_open() through ravb_emac_init().
> This has been solved by introducing pm_runtime_active() check. The device
> runtime PM usage counter has been incremented to avoid disabling the device
> clocks while the check is in progress (if any).
>
> Commit prepares for the addition of runtime PM.
>
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>

I'm afraid such check now needs to be added to ravb_set_features_gbeth()
that's populated by Biju Das' checksum patches (which I've already ACKed)...

[...]

MBR, Sergey

\
 
 \ /
  Last update: 2024-05-27 14:53    [W:0.170 / U:1.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site