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parport->dev driver model support

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Currently a parport_driver can't get a handle on the device node for the
underlying parport (PNPACPI, PCI, etc).  That prevents correct placement of
sysfs child nodes, which can affect things like power management.

This patch adds a field to "struct parport" pointing to that device node, and
updates non-legacy port drivers to initialize that device pointer.  That field
replaces the analagous PCI-only support in parport_pc.

[akpm@linux-foundation.org: fix powerpc build]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Brownell 2007-05-08 00:27:35 -07:00 • committed by Linus Torvalds
parent d2d9433a4c
commit c15a3837d2
9 changed files with 33 additions and 25 deletions
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3
include/linux/parport_pc.h
View file

@ -38,7 +38,6 @@ struct parport_pc_private {
/* buffer suitable for DMA, if DMA enabled */
char *dma_buf;
dma_addr_t dma_handle;
struct pci_dev *dev;
struct list_head list;
struct parport *port;
};
@ -232,7 +231,7 @@ extern int parport_pc_claim_resources(struct parport *p);
extern struct parport *parport_pc_probe_port (unsigned long base,
unsigned long base_hi,
int irq, int dma,
struct pci_dev *dev);
struct device *dev);
extern void parport_pc_unregister_port (struct parport *p);
#endif