Re: [patch 27/45] tpm: interrupt clear fix

[Kylene Jo Hall]

There was a different patch proposed and accepted already for this fix
based on comments on the list.

Thanks,
Kylie


On Mon, 2006-07-17 at 09:28 -0700, Greg KH wrote:
> plain text document attachment (tpm-interrupt-clear-fix.patch)
> -stable review patch.  If anyone has any objections, please let us know.
> 
> ------------------
> From: Kylene Jo Hall <kjhall@xxxxxxxxxx>
> 
> 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.
> 
> Signed-off-by: Kylene Hall <kjhall@xxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
> 
> ---
>  drivers/char/tpm/tpm_tis.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- linux-2.6.17.6.orig/drivers/char/tpm/tpm_tis.c
> +++ linux-2.6.17.6/drivers/char/tpm/tpm_tis.c
> @@ -424,6 +424,7 @@ static irqreturn_t tis_int_handler(int i
>  	iowrite32(interrupt,
>  		  chip->vendor.iobase +
>  		  TPM_INT_STATUS(chip->vendor.locality));
> +	mb();
>  	return IRQ_HANDLED;
>  }
>  
> 
> --

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