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authorJiang Liu <jiang.liu@linux.intel.com>2015-07-09 11:00:47 +0300
committerThomas Gleixner <tglx@linutronix.de>2015-07-22 19:37:44 +0300
commitaa48b6f708868ab9c22ca737f27a0da832bf7f08 (patch)
treeeaf8534e5415800e0a907ef7810ff7f7a37f335b /include/linux/msi.h
parentfc88419cfac50b05c7c1ea218b08e70c31d1b71f (diff)
downloadlinux-aa48b6f708868ab9c22ca737f27a0da832bf7f08.tar.xz
genirq/MSI: Move alloc_msi_entry() from PCI into generic MSI code
Move alloc_msi_entry() from PCI MSI code into generic MSI code, so it can be reused by other generic MSI drivers. Also introduce free_msi_entry() for completeness. Suggested-by: Stuart Yoder <stuart.yoder@freescale.com>. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Reviewed-by: Yijing Wang <wangyijing@huawei.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-arm-kernel@lists.infradead.org Cc: Grant Likely <grant.likely@linaro.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Alexander Gordeev <agordeev@redhat.com> Link: http://lkml.kernel.org/r/1436428847-8886-13-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/msi.h')
-rw-r--r--include/linux/msi.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 518e8c4a4064..f83c87e447bc 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -96,6 +96,8 @@ static inline void *msi_desc_to_pci_sysdata(struct msi_desc *desc)
}
#endif /* CONFIG_PCI_MSI */
+struct msi_desc *alloc_msi_entry(struct device *dev);
+void free_msi_entry(struct msi_desc *entry);
void __pci_read_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
void pci_write_msi_msg(unsigned int irq, struct msi_msg *msg);