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[RFC/PATCH,04/18] ravb: Enable aligned_tx and tx_counters for RZ/G2L

Message ID 20210923140813.13541-5-biju.das.jz@bp.renesas.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series Add Gigabit Ethernet driver support | expand

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Commit Message

Biju Das Sept. 23, 2021, 2:07 p.m. UTC
RZ/G2L need 4byte address alignment like R-Car Gen2 and
it has tx_counters like R-Car Gen3. This patch enable
these features for RZ/G2L.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
 drivers/net/ethernet/renesas/ravb.h      | 2 +-
 drivers/net/ethernet/renesas/ravb_main.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

Comments

Sergey Shtylyov Sept. 23, 2021, 6:05 p.m. UTC | #1
On 9/23/21 5:07 PM, Biju Das wrote:

   Somehow this patch haven't reached my OMP email -- I got it only thru
 the linux-renesas-soc list... :-/

> RZ/G2L need 4byte address alignment like R-Car Gen2 and
> it has tx_counters like R-Car Gen3. This patch enable
> these features for RZ/G2L.
> 
> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> ---
>  drivers/net/ethernet/renesas/ravb.h      | 2 +-
>  drivers/net/ethernet/renesas/ravb_main.c | 2 ++
>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
> index bee05e6fb815..bb92469d770e 100644
> --- a/drivers/net/ethernet/renesas/ravb.h
> +++ b/drivers/net/ethernet/renesas/ravb.h
> @@ -195,7 +195,7 @@ enum ravb_reg {
>  	GECMR	= 0x05b0,
>  	MAHR	= 0x05c0,
>  	MALR	= 0x05c8,
> -	TROCR	= 0x0700,	/* R-Car Gen3 only */
> +	TROCR	= 0x0700,	/* R-Car Gen3 and RZ/G2L only */
>  	CEFCR	= 0x0740,
>  	FRECR	= 0x0748,
>  	TSFRCR	= 0x0750,
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
> index 54c4d31a6950..d38fc33a8e93 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
> @@ -2114,6 +2114,8 @@ static const struct ravb_hw_info rgeth_hw_info = {
>  	.set_feature = ravb_set_features_rgeth,
>  	.dmac_init = ravb_dmac_init_rgeth,
>  	.emac_init = ravb_rgeth_emac_init,
> +	.aligned_tx = 1,
> +	.tx_counters = 1,

   Mhm, I don't see a connection between those 2 (other than they're both for RX). And anyway, this prolly
should be a part of the previous patch...

[...]

MBR, Sergey
Sergey Shtylyov Sept. 23, 2021, 6:10 p.m. UTC | #2
On 9/23/21 9:05 PM, Sergey Shtylyov wrote:

>    Somehow this patch haven't reached my OMP email -- I got it only thru
>  the linux-renesas-soc list... :-/
> 
>> RZ/G2L need 4byte address alignment like R-Car Gen2 and
>> it has tx_counters like R-Car Gen3. This patch enable
>> these features for RZ/G2L.
>>
>> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
[...]
>> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
>> index 54c4d31a6950..d38fc33a8e93 100644
>> --- a/drivers/net/ethernet/renesas/ravb_main.c
>> +++ b/drivers/net/ethernet/renesas/ravb_main.c
>> @@ -2114,6 +2114,8 @@ static const struct ravb_hw_info rgeth_hw_info = {
>>  	.set_feature = ravb_set_features_rgeth,
>>  	.dmac_init = ravb_dmac_init_rgeth,
>>  	.emac_init = ravb_rgeth_emac_init,
>> +	.aligned_tx = 1,
>> +	.tx_counters = 1,
> 
>    Mhm, I don't see a connection between those 2 (other than they're both for RX). And anyway, this prolly

  TX, of/c. :-)

> should be a part of the previous patch...
> 
> [...]

MBR, Sergey
Biju Das Sept. 23, 2021, 6:13 p.m. UTC | #3
Hi Sergei,

Thanks for the review.

> Subject: Re: [RFC/PATCH 04/18] ravb: Enable aligned_tx and tx_counters for
> RZ/G2L
> 
> On 9/23/21 5:07 PM, Biju Das wrote:
> 
>    Somehow this patch haven't reached my OMP email -- I got it only thru
> the linux-renesas-soc list... :-/
> 
> > RZ/G2L need 4byte address alignment like R-Car Gen2 and it has
> > tx_counters like R-Car Gen3. This patch enable these features for
> > RZ/G2L.
> >
> > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> > ---
> >  drivers/net/ethernet/renesas/ravb.h      | 2 +-
> >  drivers/net/ethernet/renesas/ravb_main.c | 2 ++
> >  2 files changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/ethernet/renesas/ravb.h
> > b/drivers/net/ethernet/renesas/ravb.h
> > index bee05e6fb815..bb92469d770e 100644
> > --- a/drivers/net/ethernet/renesas/ravb.h
> > +++ b/drivers/net/ethernet/renesas/ravb.h
> > @@ -195,7 +195,7 @@ enum ravb_reg {
> >  	GECMR	= 0x05b0,
> >  	MAHR	= 0x05c0,
> >  	MALR	= 0x05c8,
> > -	TROCR	= 0x0700,	/* R-Car Gen3 only */
> > +	TROCR	= 0x0700,	/* R-Car Gen3 and RZ/G2L only */
> >  	CEFCR	= 0x0740,
> >  	FRECR	= 0x0748,
> >  	TSFRCR	= 0x0750,
> > diff --git a/drivers/net/ethernet/renesas/ravb_main.c
> > b/drivers/net/ethernet/renesas/ravb_main.c
> > index 54c4d31a6950..d38fc33a8e93 100644
> > --- a/drivers/net/ethernet/renesas/ravb_main.c
> > +++ b/drivers/net/ethernet/renesas/ravb_main.c
> > @@ -2114,6 +2114,8 @@ static const struct ravb_hw_info rgeth_hw_info = {
> >  	.set_feature = ravb_set_features_rgeth,
> >  	.dmac_init = ravb_dmac_init_rgeth,
> >  	.emac_init = ravb_rgeth_emac_init,
> > +	.aligned_tx = 1,
> > +	.tx_counters = 1,
> 
>    Mhm, I don't see a connection between those 2 (other than they're both
> for RX). And anyway, this prolly should be a part of the previous patch...

There was a discussion to make smaller patches. If there is no objection, on
the next revision I will add this as part of previous patch.

Regards,
Biju
Biju Das Sept. 26, 2021, 1:40 p.m. UTC | #4
Hi Sergei,

> Subject: RE: [RFC/PATCH 04/18] ravb: Enable aligned_tx and tx_counters for
> RZ/G2L
> 
> Hi Sergei,
> 
> Thanks for the review.
> 
> > Subject: Re: [RFC/PATCH 04/18] ravb: Enable aligned_tx and tx_counters
> > for RZ/G2L
> >
> > On 9/23/21 5:07 PM, Biju Das wrote:
> >
> >    Somehow this patch haven't reached my OMP email -- I got it only
> > thru the linux-renesas-soc list... :-/
> >
> > > RZ/G2L need 4byte address alignment like R-Car Gen2 and it has
> > > tx_counters like R-Car Gen3. This patch enable these features for
> > > RZ/G2L.
> > >
> > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> > > ---
> > >  drivers/net/ethernet/renesas/ravb.h      | 2 +-
> > >  drivers/net/ethernet/renesas/ravb_main.c | 2 ++
> > >  2 files changed, 3 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/net/ethernet/renesas/ravb.h
> > > b/drivers/net/ethernet/renesas/ravb.h
> > > index bee05e6fb815..bb92469d770e 100644
> > > --- a/drivers/net/ethernet/renesas/ravb.h
> > > +++ b/drivers/net/ethernet/renesas/ravb.h
> > > @@ -195,7 +195,7 @@ enum ravb_reg {
> > >  	GECMR	= 0x05b0,
> > >  	MAHR	= 0x05c0,
> > >  	MALR	= 0x05c8,
> > > -	TROCR	= 0x0700,	/* R-Car Gen3 only */
> > > +	TROCR	= 0x0700,	/* R-Car Gen3 and RZ/G2L only */
> > >  	CEFCR	= 0x0740,
> > >  	FRECR	= 0x0748,
> > >  	TSFRCR	= 0x0750,
> > > diff --git a/drivers/net/ethernet/renesas/ravb_main.c
> > > b/drivers/net/ethernet/renesas/ravb_main.c
> > > index 54c4d31a6950..d38fc33a8e93 100644
> > > --- a/drivers/net/ethernet/renesas/ravb_main.c
> > > +++ b/drivers/net/ethernet/renesas/ravb_main.c
> > > @@ -2114,6 +2114,8 @@ static const struct ravb_hw_info rgeth_hw_info =
> {
> > >  	.set_feature = ravb_set_features_rgeth,
> > >  	.dmac_init = ravb_dmac_init_rgeth,
> > >  	.emac_init = ravb_rgeth_emac_init,
> > > +	.aligned_tx = 1,
> > > +	.tx_counters = 1,
> >
> >    Mhm, I don't see a connection between those 2 (other than they're
> > both for RX). And anyway, this prolly should be a part of the previous
> patch...
> 
> There was a discussion to make smaller patches. If there is no objection,
> on the next revision I will add this as part of previous patch.
> 

Thanks, As discussed, I have merged this with previous patch, as it is trivial change.

Regards,
Biju
diff mbox series

Patch

diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index bee05e6fb815..bb92469d770e 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -195,7 +195,7 @@  enum ravb_reg {
 	GECMR	= 0x05b0,
 	MAHR	= 0x05c0,
 	MALR	= 0x05c8,
-	TROCR	= 0x0700,	/* R-Car Gen3 only */
+	TROCR	= 0x0700,	/* R-Car Gen3 and RZ/G2L only */
 	CEFCR	= 0x0740,
 	FRECR	= 0x0748,
 	TSFRCR	= 0x0750,
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 54c4d31a6950..d38fc33a8e93 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -2114,6 +2114,8 @@  static const struct ravb_hw_info rgeth_hw_info = {
 	.set_feature = ravb_set_features_rgeth,
 	.dmac_init = ravb_dmac_init_rgeth,
 	.emac_init = ravb_rgeth_emac_init,
+	.aligned_tx = 1,
+	.tx_counters = 1,
 };
 
 static const struct of_device_id ravb_match_table[] = {