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From: AngeloGioacchino Del Regno  <angelogioacchino.delregno@collabora.com>
To: Biao Huang <biao.huang@mediatek.com>,
	davem@davemloft.net, Jakub Kicinski <kuba@kernel.org>,
	Rob Herring <robh+dt@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	linux-stm32@st-md-mailman.stormreply.com,
	srv_heupstream@mediatek.com, macpaul.lin@mediatek.com,
	dkirjanov@suse.de
Subject: Re: [PATCH net-next v12 3/7] stmmac: dwmac-mediatek: re-arrange clock setting
Date: Mon, 17 Jan 2022 11:38:14 +0100	[thread overview]
Message-ID: <2c62f337-5eb4-e525-7e3a-289435315c09@collabora.com> (raw)
In-Reply-To: <20220117070706.17853-4-biao.huang@mediatek.com>

Il 17/01/22 08:07, Biao Huang ha scritto:
> The rmii_internal clock is needed only when PHY
> interface is RMII, and reference clock is from MAC.
> 
> Re-arrange the clock setting as following:
> 1. the optional "rmii_internal" is controlled by devm_clk_get(),
> 2. other clocks still be configured by devm_clk_bulk_get().
> 
> Signed-off-by: Biao Huang <biao.huang@mediatek.com>
> ---
>   .../ethernet/stmicro/stmmac/dwmac-mediatek.c  | 72 +++++++++++++------
>   1 file changed, 49 insertions(+), 23 deletions(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> index 8747aa4403e8..2678d2deb26a 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> @@ -49,14 +49,15 @@ struct mac_delay_struct {
>   struct mediatek_dwmac_plat_data {
>   	const struct mediatek_dwmac_variant *variant;
>   	struct mac_delay_struct mac_delay;
> +	struct clk *rmii_internal_clk;
>   	struct clk_bulk_data *clks;
> -	struct device_node *np;
>   	struct regmap *peri_regmap;
> +	struct device_node *np;
>   	struct device *dev;
>   	phy_interface_t phy_mode;
> -	int num_clks_to_config;
>   	bool rmii_clk_from_mac;
>   	bool rmii_rxc;
> +	int num_clks;

I don't see any need to get a num_clks here, at this point: since all functions
reading this are getting passed a pointer to this entire structure, you can
simply always access plat->variant->num_clks.

Please, drop the addition of num_clks in this struct.

Regards,
Angelo


WARNING: multiple messages have this Message-ID (diff)
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Biao Huang <biao.huang@mediatek.com>,
	davem@davemloft.net, Jakub Kicinski <kuba@kernel.org>,
	Rob Herring <robh+dt@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	linux-stm32@st-md-mailman.stormreply.com,
	srv_heupstream@mediatek.com, macpaul.lin@mediatek.com,
	dkirjanov@suse.de
Subject: Re: [PATCH net-next v12 3/7] stmmac: dwmac-mediatek: re-arrange clock setting
Date: Mon, 17 Jan 2022 11:38:14 +0100	[thread overview]
Message-ID: <2c62f337-5eb4-e525-7e3a-289435315c09@collabora.com> (raw)
In-Reply-To: <20220117070706.17853-4-biao.huang@mediatek.com>

Il 17/01/22 08:07, Biao Huang ha scritto:
> The rmii_internal clock is needed only when PHY
> interface is RMII, and reference clock is from MAC.
> 
> Re-arrange the clock setting as following:
> 1. the optional "rmii_internal" is controlled by devm_clk_get(),
> 2. other clocks still be configured by devm_clk_bulk_get().
> 
> Signed-off-by: Biao Huang <biao.huang@mediatek.com>
> ---
>   .../ethernet/stmicro/stmmac/dwmac-mediatek.c  | 72 +++++++++++++------
>   1 file changed, 49 insertions(+), 23 deletions(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> index 8747aa4403e8..2678d2deb26a 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> @@ -49,14 +49,15 @@ struct mac_delay_struct {
>   struct mediatek_dwmac_plat_data {
>   	const struct mediatek_dwmac_variant *variant;
>   	struct mac_delay_struct mac_delay;
> +	struct clk *rmii_internal_clk;
>   	struct clk_bulk_data *clks;
> -	struct device_node *np;
>   	struct regmap *peri_regmap;
> +	struct device_node *np;
>   	struct device *dev;
>   	phy_interface_t phy_mode;
> -	int num_clks_to_config;
>   	bool rmii_clk_from_mac;
>   	bool rmii_rxc;
> +	int num_clks;

I don't see any need to get a num_clks here, at this point: since all functions
reading this are getting passed a pointer to this entire structure, you can
simply always access plat->variant->num_clks.

Please, drop the addition of num_clks in this struct.

Regards,
Angelo


_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

WARNING: multiple messages have this Message-ID (diff)
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: Biao Huang <biao.huang@mediatek.com>,
	davem@davemloft.net, Jakub Kicinski <kuba@kernel.org>,
	Rob Herring <robh+dt@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Jose Abreu <joabreu@synopsys.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	netdev@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org,
	linux-stm32@st-md-mailman.stormreply.com,
	srv_heupstream@mediatek.com, macpaul.lin@mediatek.com,
	dkirjanov@suse.de
Subject: Re: [PATCH net-next v12 3/7] stmmac: dwmac-mediatek: re-arrange clock setting
Date: Mon, 17 Jan 2022 11:38:14 +0100	[thread overview]
Message-ID: <2c62f337-5eb4-e525-7e3a-289435315c09@collabora.com> (raw)
In-Reply-To: <20220117070706.17853-4-biao.huang@mediatek.com>

Il 17/01/22 08:07, Biao Huang ha scritto:
> The rmii_internal clock is needed only when PHY
> interface is RMII, and reference clock is from MAC.
> 
> Re-arrange the clock setting as following:
> 1. the optional "rmii_internal" is controlled by devm_clk_get(),
> 2. other clocks still be configured by devm_clk_bulk_get().
> 
> Signed-off-by: Biao Huang <biao.huang@mediatek.com>
> ---
>   .../ethernet/stmicro/stmmac/dwmac-mediatek.c  | 72 +++++++++++++------
>   1 file changed, 49 insertions(+), 23 deletions(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> index 8747aa4403e8..2678d2deb26a 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
> @@ -49,14 +49,15 @@ struct mac_delay_struct {
>   struct mediatek_dwmac_plat_data {
>   	const struct mediatek_dwmac_variant *variant;
>   	struct mac_delay_struct mac_delay;
> +	struct clk *rmii_internal_clk;
>   	struct clk_bulk_data *clks;
> -	struct device_node *np;
>   	struct regmap *peri_regmap;
> +	struct device_node *np;
>   	struct device *dev;
>   	phy_interface_t phy_mode;
> -	int num_clks_to_config;
>   	bool rmii_clk_from_mac;
>   	bool rmii_rxc;
> +	int num_clks;

I don't see any need to get a num_clks here, at this point: since all functions
reading this are getting passed a pointer to this entire structure, you can
simply always access plat->variant->num_clks.

Please, drop the addition of num_clks in this struct.

Regards,
Angelo


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2022-01-17 10:38 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-17  7:06 [PATCH net-next v12 0/7] MediaTek Ethernet Patches on MT8195 Biao Huang
2022-01-17  7:06 ` Biao Huang
2022-01-17  7:06 ` Biao Huang
2022-01-17  7:07 ` [PATCH net-next v12 1/7] stmmac: dwmac-mediatek: add platform level clocks management Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07 ` [PATCH net-next v12 2/7] stmmac: dwmac-mediatek: Reuse more common features Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07 ` [PATCH net-next v12 3/7] stmmac: dwmac-mediatek: re-arrange clock setting Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17 10:38   ` AngeloGioacchino Del Regno [this message]
2022-01-17 10:38     ` AngeloGioacchino Del Regno
2022-01-17 10:38     ` AngeloGioacchino Del Regno
2022-01-18  1:51     ` Biao Huang
2022-01-18  1:51       ` Biao Huang
2022-01-18  1:51       ` Biao Huang
2022-01-17  7:07 ` [PATCH net-next v12 4/7] arm64: dts: mt2712: update ethernet device node Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-19  1:24   ` Biao Huang
2022-01-19  1:24     ` Biao Huang
2022-01-19  1:24     ` Biao Huang
2022-01-17  7:07 ` [PATCH net-next v12 5/7] net: dt-bindings: dwmac: Convert mediatek-dwmac to DT schema Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07 ` [PATCH net-next v12 6/7] stmmac: dwmac-mediatek: add support for mt8195 Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07 ` [PATCH net-next v12 7/7] net: dt-bindings: dwmac: " Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17  7:07   ` Biao Huang
2022-01-17 15:35   ` Rob Herring
2022-01-17 15:35     ` Rob Herring
2022-01-17 15:35     ` Rob Herring
2022-01-19  1:21     ` Biao Huang
2022-01-19  1:21       ` Biao Huang
2022-01-19  1:21       ` Biao Huang
2022-02-01 23:48   ` Rob Herring
2022-02-01 23:48     ` Rob Herring
2022-02-01 23:48     ` Rob Herring
2022-03-14  7:13     ` Biao Huang
2022-03-14  7:13       ` Biao Huang
2022-03-14  7:13       ` Biao Huang

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