[PATCH 2/3] nvmem: mediatek: Add Mediatek EFUSE driver
From: Srinivas Kandagatla <hidden>
Date: 2015-10-26 10:39:56
Also in:
linux-devicetree, linux-mediatek, lkml
From: Srinivas Kandagatla <hidden>
Date: 2015-10-26 10:39:56
Also in:
linux-devicetree, linux-mediatek, lkml
On 26/10/15 10:28, Sascha Hauer wrote:
On Mon, Oct 26, 2015 at 09:56:24AM +0000, Srinivas Kandagatla wrote:quoted
quoted
+ .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