[PATCH v5 2/4] net: stmmac: dwc-qos: Add FSD EQoS support

[Swathi K S]

> -----Original Message-----
> From: Andrew Lunn <andrew at lunn.ch>
> Sent: 28 January 2025 19:19
> To: Swathi K S <swathi.ks at samsung.com>
> Cc: krzk at kernel.org; robh at kernel.org; davem at davemloft.net;
> edumazet at google.com; kuba at kernel.org; pabeni at redhat.com;
> conor+dt at kernel.org; richardcochran at gmail.com;
> mcoquelin.stm32 at gmail.com; alim.akhtar at samsung.com; linux-
> fsd at tesla.com; netdev at vger.kernel.org; devicetree at vger.kernel.org; linux-
> kernel at vger.kernel.org; linux-stm32 at st-md-mailman.stormreply.com;
> linux-arm-kernel at lists.infradead.org; linux-samsung-soc at vger.kernel.org;
> alexandre.torgue at foss.st.com; peppe.cavallaro at st.com;
> joabreu at synopsys.com; rcsekar at samsung.com; ssiddha at tesla.com;
> jayati.sahu at samsung.com; pankaj.dubey at samsung.com;
> ravi.patel at samsung.com; gost.dev at samsung.com
> 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