Re: [PATCH v2 2/3] counter: 104-quad-8: Refactor to buffer states for CMR, IOR, and IDR

Andy Shevchenko
2023-03-24T11:48:59Z

On Thu, Mar 23, 2023 at 05:25:28PM -0400, William Breathitt Gray wrote:
> The 104-quad-8 driver buffers the device configuration states
> separately, however each device has only three control registers: CMR,
> IOR, and IDR. Refactoring to buffer the states of these control
> registers rather than each configuration separately results in succinct
> code that more closely matches what is happening on the device.

...

> +static void quad8_control_register_update(struct quad8 *const priv, u8 *const buf,
> + const size_t channel, const u8 val, const u8 field)
> +{
> + u8p_replace_bits(&buf[channel], val, field);
> + iowrite8(buf[channel], &priv->reg->channel[channel].control);
> +}

How did you compile this?
Due to nature of *_replace_bits() this may only be a macro.

That's what LKP is telling about I think.

--
With Best Regards,
Andy Shevchenko