Re: [RFC 03/11] hte: Add tegra194 HTE kernel provider

From: Dipen Patel
Date: Wed Jul 28 2021 - 22:34:16 EST


Thanks for the suggestion, will change it in next RFC series.

On 7/8/21 4:33 PM, Michał Mirosław wrote:
> On Fri, Jun 25, 2021 at 04:55:24PM -0700, Dipen Patel wrote:
>> Tegra194 device has multiple HTE instances also known as GTE
>> (Generic hardware Timestamping Engine) which can timestamp subset of
>> SoC lines/signals. This provider driver focuses on IRQ and GPIO lines
>> and exposes timestamping ability on those lines to the consumers
>> through HTE subsystem.
> [...]
>> + ret = of_property_read_u32(dev->of_node, "slices", &slices);
>> + if (ret != 0) {
>> + dev_err(dev, "Could not read slices\n");
>> + return -EINVAL;
>> + }
>> +
>> + hte_dev->sl = devm_kzalloc(dev, sizeof(struct hte_slices) * slices,
>> + GFP_KERNEL);
> Nit: There is devm_kcalloc() that will check for overflow in the
> multiply in case @slices from DT is broken.
>
> Best Regards
> Michał Mirosław