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Message-ID: <110a8720-e7a6-ebf1-b286-4834dc32651c@omp.ru> Date: Sat, 23 Dec 2023 22:43:33 +0300 From: Sergey Shtylyov <s.shtylyov@....ru> To: Claudiu <claudiu.beznea@...on.dev>, <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>, <yoshihiro.shimoda.uh@...esas.com>, <wsa+renesas@...g-engineering.com>, <mitsuhiro.kimura.kc@...esas.com> CC: <netdev@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Claudiu Beznea <claudiu.beznea.uj@...renesas.com> Subject: Re: [PATCH net v2 1/1] net: ravb: Wait for operation mode to be applied On 12/22/23 2:35 PM, Claudiu wrote: > From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com> > > CSR.OPS bits specify the current operating mode and (according to > documentation) they are updated by HW when the operating mode change > request is processed. To comply with this check CSR.OPS before proceeding. > > Commit introduces ravb_set_opmode() that does all the necessities for > setting the operating mode (set DMA.CCC and wait for CSR.OPS) and call it What's DMA.CCC? Maybe CCC.OPC? > where needed. This should comply with all the HW manuals requirements as > different manual variants specify that different modes need to be checked > in CSR.OPS when setting DMA.CCC. > > Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper") > Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com> [...] MBR, Sergey
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