On 2014/9/16 19:35, Sebastian Ott wrote:
> Hello,
>
> On Fri, 5 Sep 2014, Yijing Wang wrote:
>> Use MSI chip framework instead of arch MSI functions to configure
>> MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
>>
>> Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
>> ---
>> arch/s390/pci/pci.c | 18 ++++++++++++++----
>> 1 files changed, 14 insertions(+), 4 deletions(-)
>>
>> diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
>> index 2fa7b14..da5316e 100644
>> --- a/arch/s390/pci/pci.c
>> +++ b/arch/s390/pci/pci.c
>> @@ -358,7 +358,7 @@ static void zpci_irq_handler(struct airq_struct *airq)
>> }
>> }
>>
>> -int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
>> +int zpci_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
>> {
>> struct zpci_dev *zdev = get_zdev(pdev);
>> unsigned int hwirq, msi_vecs;
>> @@ -434,7 +434,7 @@ out:
>> return rc;
>> }
>>
>> -void arch_teardown_msi_irqs(struct pci_dev *pdev)
>> +static void zpci_teardown_msi_irqs(struct pci_dev *pdev)
>> {
>> struct zpci_dev *zdev = get_zdev(pdev);
>> struct msi_desc *msi;
>> @@ -448,9 +448,9 @@ void arch_teardown_msi_irqs(struct pci_dev *pdev)
>> /* Release MSI interrupts */
>> list_for_each_entry(msi, &pdev->msi_list, list) {
>> if (msi->msi_attrib.is_msix)
>> - default_msix_mask_irq(msi, 1);
>> + __msix_mask_irq(msi, 1);
>> else
>> - default_msi_mask_irq(msi, 1, 1);
>> + __msi_mask_irq(msi, 1, 1);
>
> The default_msi_mask_irq to __msi_mask_irq renaming is hidden in your
> patch "x86/xen/MSI: Eliminate arch_msix_mask_irq() and arch_msi_mask_irq()"
>
> This means that between that patch and this one s390 will not compile.
> Could you please move this hunk to the other patch or even make an extra
> patch with the renaming. Other than that:
Good catch. I will move this hunk into the patch "x86/xen/MSI: Eliminate arch_msix_mask_irq() and arch_msi_mask_irq()".
>
> Acked-by: Sebastian Ott <sebott@xxxxxxxxxxxxxxxxxx>
Thanks!
Yijing.
>
> Regards,
> Sebastian
>
>> irq_set_msi_desc(msi->irq, NULL);
>> irq_free_desc(msi->irq);
>> msi->msg.address_lo = 0;
>> @@ -464,6 +464,16 @@ void arch_teardown_msi_irqs(struct pci_dev *pdev)
>> airq_iv_free_bit(zpci_aisb_iv, zdev->aisb);
>> }
>>
>> +static struct msi_chip zpci_msi_chip = {
>> + .setup_irqs = zpci_setup_msi_irqs,
>> + .teardown_irqs = zpci_teardown_msi_irqs,
>> +};
>> +
>> +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev)
>> +{
>> + return &zpci_msi_chip;
>> +}
>> +
>> static void zpci_map_resources(struct zpci_dev *zdev)
>> {
>> struct pci_dev *pdev = zdev->pdev;
>> --
>> 1.7.1
>>
>>
>
>
> .
>
--
Thanks!
Yijing
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