Re: [PATCH] net: stmmac: fix incorrect merge of patch upstream

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

Hello,

On 24.11.20 23:37, Antonio Borneo wrote:
> Commit 757926247836 ("net: stmmac: add flexible PPS to dwmac
> 4.10a") was intended to modify the struct dwmac410_ops, but it got
> somehow badly merged and modified the struct dwmac4_ops.
> 
> Revert the modification in struct dwmac4_ops and re-apply it
> properly in struct dwmac410_ops.
> 
> Fixes: 757926247836 ("net: stmmac: add flexible PPS to dwmac 4.10a")
> Cc: stable@vger.kernel.org # v5.6+

I don't think extension of dwmac410_ops should be backported to stable.
It's a new feature and should go into net-next like any other.
The fix that could be backported is reverting the unintentional change
of dwmac4.

Cheers,
Ahmad

> Signed-off-by: Antonio Borneo <antonio.borneo@st.com>
> Reported-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> ---
> To: Alexandre Torgue <alexandre.torgue@st.com>
> To: Jose Abreu <joabreu@synopsys.com>
> To: "David S. Miller" <davem@davemloft.net>
> To: Jakub Kicinski <kuba@kernel.org>
> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
> Cc: netdev@vger.kernel.org
> Cc: linux-stm32@st-md-mailman.stormreply.com
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> In-Reply-To: <42960ede-9355-1277-9a6f-4eac3c22365c@pengutronix.de>
> ---
>  drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> index 002791b77356..ced6d76a0d85 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
> @@ -1171,7 +1171,6 @@ const struct stmmac_ops dwmac4_ops = {
>  	.pcs_get_adv_lp = dwmac4_get_adv_lp,
>  	.debug = dwmac4_debug,
>  	.set_filter = dwmac4_set_filter,
> -	.flex_pps_config = dwmac5_flex_pps_config,
>  	.set_mac_loopback = dwmac4_set_mac_loopback,
>  	.update_vlan_hash = dwmac4_update_vlan_hash,
>  	.sarc_configure = dwmac4_sarc_configure,
> @@ -1213,6 +1212,7 @@ const struct stmmac_ops dwmac410_ops = {
>  	.pcs_get_adv_lp = dwmac4_get_adv_lp,
>  	.debug = dwmac4_debug,
>  	.set_filter = dwmac4_set_filter,
> +	.flex_pps_config = dwmac5_flex_pps_config,
>  	.set_mac_loopback = dwmac4_set_mac_loopback,
>  	.update_vlan_hash = dwmac4_update_vlan_hash,
>  	.sarc_configure = dwmac4_sarc_configure,
> 
> base-commit: 9bd2702d292cb7b565b09e949d30288ab7a26d51
> 

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