Revision e702ff0ba6f7b52021f26e0e14237eb6ca8a1b6f authored by Tilman Schmidt on 26 January 2007, 08:56:56 UTC, committed by Linus Torvalds on 26 January 2007, 21:50:58 UTC
Fix several flaws in the error handling of the Siemens Gigaset ISDN driver, including one that would cause an Oops when connecting more than one device of the same type. Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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msi.h
#ifndef LINUX_MSI_H
#define LINUX_MSI_H
struct msi_msg {
u32 address_lo; /* low 32 bits of msi message address */
u32 address_hi; /* high 32 bits of msi message address */
u32 data; /* 16 bits of msi message data */
};
/* Heper functions */
extern void mask_msi_irq(unsigned int irq);
extern void unmask_msi_irq(unsigned int irq);
extern void read_msi_msg(unsigned int irq, struct msi_msg *msg);
extern void write_msi_msg(unsigned int irq, struct msi_msg *msg);
struct msi_desc {
struct {
__u8 type : 5; /* {0: unused, 5h:MSI, 11h:MSI-X} */
__u8 maskbit : 1; /* mask-pending bit supported ? */
__u8 unused : 1;
__u8 is_64 : 1; /* Address size: 0=32bit 1=64bit */
__u8 pos; /* Location of the msi capability */
__u16 entry_nr; /* specific enabled entry */
unsigned default_irq; /* default pre-assigned irq */
}msi_attrib;
struct {
__u16 head;
__u16 tail;
}link;
void __iomem *mask_base;
struct pci_dev *dev;
#ifdef CONFIG_PM
/* PM save area for MSIX address/data */
struct msi_msg msg_save;
#endif
};
/*
* The arch hook for setup up msi irqs
*/
int arch_setup_msi_irq(unsigned int irq, struct pci_dev *dev);
void arch_teardown_msi_irq(unsigned int irq);
#endif /* LINUX_MSI_H */
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