Re: [BISECTED] tpm CLKRUN breaks PS/2 keyboard and touchpad on Braswell system

[Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>]

James, Javier, thank you for sorting this out. I'll just have couple of
minor comments on the patch.

On Mon, Dec 18, 2017 at 01:22:28PM +0100, Javier Martinez Canillas wrote:
> +	u32 vendor, intfcaps, intmask, clkrun_val;

Could these split into four lines (one declaration per line)?

>  	u8 rid;
>  	int rc, probe;
>  	struct tpm_chip *chip;
> @@ -772,6 +772,15 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
>  					ILB_REMAP_SIZE);
>  		if (!priv->ilb_base_addr)
>  			return -ENOMEM;
> +
> +		clkrun_val = ioread32(priv->ilb_base_addr + LPC_CNTRL_OFFSET);
> +		/* Check if CLKRUN# is already not enabled in the LPC bus */

/* 

> +		if (!(clkrun_val & LPC_CLKRUN_EN)) {
> +			priv->flags |= TPM_TIS_CLK_ENABLE;

Is the flag added just so surpress those WARN()'s?

I've forgot why the WARN()'s even exist assuming that driver is
functioning correctly.

/Jarkko