提交 25a98bd4 编写于 作者: J Jiang Liu 提交者: Thomas Gleixner

genirq/MSI: Store 'struct device' instead of 'struct pci_dev' in struct msi_desc

Store 'struct device *' instead of 'struct pci_dev *' in struct msi_desc,
so struct msi_desc can be reused by non PCI based MSI drivers.
Signed-off-by: NJiang Liu <jiang.liu@linux.intel.com>
Reviewed-by: NYijing Wang <wangyijing@huawei.com>
Reviewed-by: NMarc Zyngier <marc.zyngier@arm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Stuart Yoder <stuart.yoder@freescale.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Alexander Gordeev <agordeev@redhat.com>
Link: http://lkml.kernel.org/r/1436428847-8886-11-git-send-email-jiang.liu@linux.intel.comSigned-off-by: NThomas Gleixner <tglx@linutronix.de>
上级 4a7cc831
......@@ -413,7 +413,7 @@ static struct msi_desc *alloc_msi_entry(struct pci_dev *dev)
return NULL;
INIT_LIST_HEAD(&desc->list);
desc->dev = dev;
desc->dev = &dev->dev;
return desc;
}
......@@ -1140,6 +1140,11 @@ int pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries,
}
EXPORT_SYMBOL(pci_enable_msix_range);
struct pci_dev *msi_desc_to_pci_dev(struct msi_desc *desc)
{
return to_pci_dev(desc->dev);
}
void *msi_desc_to_pci_sysdata(struct msi_desc *desc)
{
struct pci_dev *dev = msi_desc_to_pci_dev(desc);
......
......@@ -14,6 +14,7 @@ extern int pci_msi_ignore_mask;
/* Helper functions */
struct irq_data;
struct msi_desc;
struct pci_dev;
void __get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
void get_cached_msi_msg(unsigned int irq, struct msi_msg *msg);
......@@ -37,14 +38,14 @@ struct msi_desc {
void __iomem *mask_base;
u8 mask_pos;
};
struct pci_dev *dev;
struct device *dev;
/* Last set MSI message */
struct msi_msg msg;
};
/* Helpers to hide struct msi_desc implementation details */
#define msi_desc_to_dev(desc) (&(desc)->dev.dev)
#define msi_desc_to_dev(desc) ((desc)->dev)
#define dev_to_msi_list(dev) (&(dev)->msi_list)
#define first_msi_entry(dev) \
list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
......@@ -56,11 +57,7 @@ struct msi_desc {
#define for_each_pci_msi_entry(desc, pdev) \
for_each_msi_entry((desc), &(pdev)->dev)
static inline struct pci_dev *msi_desc_to_pci_dev(struct msi_desc *desc)
{
return desc->dev;
}
struct pci_dev *msi_desc_to_pci_dev(struct msi_desc *desc);
void *msi_desc_to_pci_sysdata(struct msi_desc *desc);
#else /* CONFIG_PCI_MSI */
static inline void *msi_desc_to_pci_sysdata(struct msi_desc *desc)
......
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