Re: [PATCH 2/3] nvmem: mediatek: Add Mediatek EFUSE driver

[Srinivas Kandagatla]

On 26/10/15 10:28, Sascha Hauer wrote:
> On Mon, Oct 26, 2015 at 09:56:24AM +0000, Srinivas Kandagatla wrote:
> > > +	.val_bits = 32,
> > > +	.reg_stride = 4,
> > > +};
> > > +
> > > +static int mtk_efuse_probe(struct platform_device *pdev)
> > > +{
> > > +	struct device *dev = &pdev->dev;
> > > +	struct resource *res;
> > > +	struct nvmem_device *nvmem;
> > > +	struct nvmem_config *econfig;
> > > +	struct regmap *regmap;
> > > +	void __iomem *base;
> > > +
> > > +	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > > +	base = devm_ioremap_resource(dev, res);
> > > +	if (IS_ERR(base))
> > > +		return PTR_ERR(base);
> > > +
> > > +	econfig = devm_kzalloc(dev, sizeof(*econfig), GFP_KERNEL);
> > > +	if (!econfig)
> > > +		return -ENOMEM;
> > Why not use static econfig variable?
>
> Because drivers should not assume there is only one instance of them in
> the system. The qfprom driver does this and it's only a matter of
Good point, Yes, you are right. If MTK has possibility of having more 
than one efuse we can leave the code as it is.
> putting a second qcom,qfprom node into the device tree to break the
> driver.
It would indeed.
--srini
> Sascha
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