Message ID | 1404463406-3484-1-git-send-email-wangyijing@huawei.com (mailing list archive) |
---|---|
State | New, archived |
Delegated to: | Bjorn Helgaas |
Headers | show |
This patch has been integrate into "[PATCH v3 0/6] Cleanup for MSI" patchset. On 2014/7/4 16:43, Yijing Wang wrote: > Use irq_get_msi_desc() to get MSI irq related msi_desc > directly. > > Signed-off-by: Yijing Wang <wangyijing@huawei.com> > --- > drivers/pci/msi.c | 12 +++++------- > 1 files changed, 5 insertions(+), 7 deletions(-) > > diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c > index 3bee1ba..f95af2b 100644 > --- a/drivers/pci/msi.c > +++ b/drivers/pci/msi.c > @@ -487,7 +487,6 @@ EXPORT_SYMBOL_GPL(pci_restore_msi_state); > static ssize_t msi_mode_show(struct device *dev, struct device_attribute *attr, > char *buf) > { > - struct pci_dev *pdev = to_pci_dev(dev); > struct msi_desc *entry; > unsigned long irq; > int retval; > @@ -496,12 +495,11 @@ static ssize_t msi_mode_show(struct device *dev, struct device_attribute *attr, > if (retval) > return retval; > > - list_for_each_entry(entry, &pdev->msi_list, list) { > - if (entry->irq == irq) { > - return sprintf(buf, "%s\n", > - entry->msi_attrib.is_msix ? "msix" : "msi"); > - } > - } > + entry = irq_get_msi_desc(irq); > + if (entry) > + return sprintf(buf, "%s\n", > + entry->msi_attrib.is_msix ? "msix" : "msi"); > + > return -ENODEV; > } > >
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 3bee1ba..f95af2b 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -487,7 +487,6 @@ EXPORT_SYMBOL_GPL(pci_restore_msi_state); static ssize_t msi_mode_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct pci_dev *pdev = to_pci_dev(dev); struct msi_desc *entry; unsigned long irq; int retval; @@ -496,12 +495,11 @@ static ssize_t msi_mode_show(struct device *dev, struct device_attribute *attr, if (retval) return retval; - list_for_each_entry(entry, &pdev->msi_list, list) { - if (entry->irq == irq) { - return sprintf(buf, "%s\n", - entry->msi_attrib.is_msix ? "msix" : "msi"); - } - } + entry = irq_get_msi_desc(irq); + if (entry) + return sprintf(buf, "%s\n", + entry->msi_attrib.is_msix ? "msix" : "msi"); + return -ENODEV; }
Use irq_get_msi_desc() to get MSI irq related msi_desc directly. Signed-off-by: Yijing Wang <wangyijing@huawei.com> --- drivers/pci/msi.c | 12 +++++------- 1 files changed, 5 insertions(+), 7 deletions(-)