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authorSergei Shtylyov <sshtylyov@ru.mvista.com>2006-12-13 11:35:51 +0300
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-13 20:05:55 +0300
commit73d1dd93c462b52512685fe118159eafc7eb9f7e (patch)
tree79fc116a127e7f47ad93e5e6816206e11614a753 /drivers
parent33b18a602525198ab8892789dab6839f325407f8 (diff)
downloadlinux-73d1dd93c462b52512685fe118159eafc7eb9f7e.tar.xz
[PATCH] ide: fix the case of multiple HPT3xx chips present
init_chipset_hpt366() modifies some fields of the ide_pci_device_t structure depending on the chip's revision, so pass it a copy of the structure to avoid issues when multiple different chips are present. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ide/pci/hpt366.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 29a377044323..4968b16fa307 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -72,6 +72,8 @@
* table in which the mode lookup is done
* - fix the hotswap code: it caused RESET- to glitch when tristating the bus,
* and for HPT36x the obsolete HDIO_TRISTATE_HWIF handler was called instead
+ * - pass to init_chipset() handlers a copy of the IDE PCI device structure as
+ * they tamper with its fields
* <source@mvista.com>
*
*/
@@ -1564,13 +1566,16 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
*
* Called when the PCI registration layer (or the IDE initialization)
* finds a device matching our IDE device tables.
+ *
+ * NOTE: since we'll have to modify some fields of the ide_pci_device_t
+ * structure depending on the chip's revision, we'd better pass a local
+ * copy down the call chain...
*/
-
static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- ide_pci_device_t *d = &hpt366_chipsets[id->driver_data];
+ ide_pci_device_t d = hpt366_chipsets[id->driver_data];
- return d->init_setup(dev, d);
+ return d.init_setup(dev, &d);
}
static struct pci_device_id hpt366_pci_tbl[] = {