RE: [PATCH v5 2/4] net: stmmac: dwc-qos: Add FSD EQoS support
From: Swathi K S
Date: Wed Jan 29 2025 - 06:16:51 EST
> -----Original Message-----
> From: Andrew Lunn <andrew@xxxxxxx>
> Sent: 28 January 2025 19:19
> To: Swathi K S <swathi.ks@xxxxxxxxxxx>
> Cc: krzk@xxxxxxxxxx; robh@xxxxxxxxxx; davem@xxxxxxxxxxxxx;
> edumazet@xxxxxxxxxx; kuba@xxxxxxxxxx; pabeni@xxxxxxxxxx;
> conor+dt@xxxxxxxxxx; richardcochran@xxxxxxxxx;
> mcoquelin.stm32@xxxxxxxxx; alim.akhtar@xxxxxxxxxxx; linux-
> fsd@xxxxxxxxx; netdev@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-samsung-soc@xxxxxxxxxxxxxxx;
> alexandre.torgue@xxxxxxxxxxx; peppe.cavallaro@xxxxxx;
> joabreu@xxxxxxxxxxxx; rcsekar@xxxxxxxxxxx; ssiddha@xxxxxxxxx;
> jayati.sahu@xxxxxxxxxxx; pankaj.dubey@xxxxxxxxxxx;
> ravi.patel@xxxxxxxxxxx; gost.dev@xxxxxxxxxxx
> Subject: Re: [PATCH v5 2/4] net: stmmac: dwc-qos: Add FSD EQoS support
>
> > +static int fsd_clks_endisable(void *priv, bool enabled) {
> > + struct fsd_eqos_plat_data *plat = priv;
> > +
> > + if (enabled) {
> > + return clk_bulk_prepare_enable(plat->num_clks, plat->clks);
> > + } else {
> > + clk_bulk_disable_unprepare(plat->num_clks, plat->clks);
> > + return 0;
> > + }
> > +}
> > +
> > +static int fsd_eqos_probe(struct platform_device *pdev,
> > + struct plat_stmmacenet_data *data,
> > + struct stmmac_resources *res)
> > +{
> > + struct fsd_eqos_plat_data *priv_plat;
> > + struct clk *rx1 = NULL;
> > + struct clk *rx2 = NULL;
> > + int ret = 0;
> > +
> > + priv_plat = devm_kzalloc(&pdev->dev, sizeof(*priv_plat),
> GFP_KERNEL);
> > + if (!priv_plat)
> > + return -ENOMEM;
> > +
> > + priv_plat->dev = &pdev->dev;
> > +
> > + ret = devm_clk_bulk_get_all(&pdev->dev, &priv_plat->clks);
> > + if (ret < 0)
> > + return dev_err_probe(&pdev->dev, ret, "No clocks
> available\n");
> > +
> > + priv_plat->num_clks = ret;
>
> It looks like you should be able to share all the clk_bulk code with
> tegra_eqos_probe(). The stmmac driver suffers from lots of cut/paste code
> with no consolidation. You can at least not make the tegra code worse by
> doing a little refactoring.
Hi Andrew,
Just to clarify, you were referring to refactoring tegra code to use
clk_bulk APIs, right?
In that case, will look into this and evaluate the best approach for
refactoring the code.
- Swathi
>
> Andrew