On Mon, Jul 17, 2006 at 11:35:20AM -0700, Kylene Jo Hall wrote:
> -------- Forwarded Message --------
> From: Kylene Jo Hall <[email protected]>
> To: linux-os (Dick Johnson) <[email protected]>
> Cc: linux-kernel <[email protected]>, TPM Device Driver List
> <[email protected]>, [email protected]
> Subject: Re: [PATCH] tpm: interrupt clear fix
> Date: Thu, 13 Jul 2006 12:24:36 -0700
> Under stress testing I found that the interrupt is not always cleared.
> This is a bug and this patch should go into 2.6.18 and 2.6.17.x.
>
> On Thu, 2006-07-13 at 07:45 -0400, linux-os (Dick Johnson) wrote:
>
> > PCI devices need a final read to flush all pending writes. Whatever
> > mb() does, just hides the problem.
>
>
> Signed-off-by: Kylene Hall <[email protected]>
> ---
>
> --- linux-2.6.18-rc1/drivers/char/tpm/tpm_tis.c 2006-07-13 14:46:39.727500500 -0500
> +++ linux-2.6.18-rc1-tpm/drivers/char/tpm/tpm_tis.c 2006-07-13 14:47:33.878884750 -0500
> @@ -424,6 +424,7 @@ static irqreturn_t tis_int_handler(int i
> iowrite32(interrupt,
> chip->vendor.iobase +
> TPM_INT_STATUS(chip->vendor.locality));
> + ioread32(chip->vendor.iobase + TPM_INT_STATUS(chip->vendor.locality));
> return IRQ_HANDLED;
> }
So does this replace the other tpm patch? Or should we apply both of
them?
thanks,
greg k-h
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