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Re: [Qemu-devel] [PATCH v2 16/21] q35: smbus: Remove PCI_STATUS_SIG_SYST


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v2 16/21] q35: smbus: Remove PCI_STATUS_SIG_SYSTEM_ERROR and PCI_STATUS_DETECTED_PARITY from w1cmask
Date: Tue, 09 Oct 2012 09:54:27 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1

Il 09/10/2012 05:30, Jason Baron ha scritto:
> From: Jan Kiszka <address@hidden>
> 
> Both bits are added to the write-1-to-clear mask by default. As the
> smbus device does not allow writes at all, we have to remove it from
> that mask, also to avoid triggering a runtime assertion.
> 
> Signed-off-by: Jan Kiszka <address@hidden>
> Signed-off-by: Jason Baron <address@hidden>
> ---
>  hw/q35_smbus.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/hw/q35_smbus.c b/hw/q35_smbus.c
> index 5efbe6c..dd64aa2 100644
> --- a/hw/q35_smbus.c
> +++ b/hw/q35_smbus.c
> @@ -97,6 +97,10 @@ static int ich9_smbus_initfn(PCIDevice *d)
>  
>      pci_set_word(d->wmask + PCI_STATUS,
>                      PCI_STATUS_SIG_SYSTEM_ERROR | 
> PCI_STATUS_DETECTED_PARITY);
> +    pci_set_word(d->w1cmask + PCI_STATUS,
> +                  pci_get_word(d->w1cmask + PCI_STATUS) &
> +                  ~(PCI_STATUS_SIG_SYSTEM_ERROR | 
> PCI_STATUS_DETECTED_PARITY));
> +
>      /* TODO? D31IP.SMIP in chipset configuration space */
>      pci_config_set_interrupt_pin(d->config, 0x01); /* interrupt pin 1 */
>  
> 

Reviewed-by: Paolo Bonzini <address@hidden>




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