ChangeSet 1.924.3.2, 2002/11/30 01:18:05-08:00, adam@yggdrasil.com
[PATCH] Patch/resubmit(2.5.50): Eliminate pci_dev.driver_data
To review, this patch deletes pci_dev.driver_data, using the
existing pci_dev.device.driver_data field instead, thereby shrinking
struct pci_dev by four bytes on 32-bit machines. The few device
drivers that attempted to directly reference pci_dev.driver_data were
fixed in a patch of mine that Jeff Garzik got into 2.5.45. Also,
making this change should help with memory allocation improvements in
the future, although that's a separate issue.
diff -Nru a/include/linux/pci.h b/include/linux/pci.h
--- a/include/linux/pci.h Sun Dec 1 23:26:24 2002
+++ b/include/linux/pci.h Sun Dec 1 23:26:24 2002
@@ -344,7 +344,6 @@
u8 rom_base_reg; /* which config register controls the ROM */
struct pci_driver *driver; /* which driver has allocated this device */
- void *driver_data; /* data private to the driver */
u64 dma_mask; /* Mask of the bits of bus address this
device implements. Normally this is
0xffffffff. You only need to change
@@ -753,12 +752,12 @@
*/
static inline void *pci_get_drvdata (struct pci_dev *pdev)
{
- return pdev->driver_data;
+ return pdev->dev.driver_data;
}
static inline void pci_set_drvdata (struct pci_dev *pdev, void *data)
{
- pdev->driver_data = data;
+ pdev->dev.driver_data = data;
}
/*
-
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