diff options
author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 14:32:24 -0700 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 14:32:24 -0700 |
commit | a348a7e6fdbcd2d5192a09719a479bb238fde727 (patch) | |
tree | 5ff94185f4e5a810777469d7fe7832a8ec2d3430 /arch/sh/drivers/pci/fixups-landisk.c | |
parent | 808347f6a31792079e345ec865e9cfcb6e8ae6b2 (diff) | |
parent | 28d0325ce6e0a52f53d8af687e6427fee59004d3 (diff) |
Merge commit 'v2.6.31-rc1' into dmaengine
Diffstat (limited to 'arch/sh/drivers/pci/fixups-landisk.c')
-rw-r--r-- | arch/sh/drivers/pci/fixups-landisk.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/sh/drivers/pci/fixups-landisk.c b/arch/sh/drivers/pci/fixups-landisk.c new file mode 100644 index 000000000000..bb1a6bb5149e --- /dev/null +++ b/arch/sh/drivers/pci/fixups-landisk.c @@ -0,0 +1,34 @@ +/* + * arch/sh/drivers/pci/ops-landisk.c + * + * PCI initialization for the I-O DATA Device, Inc. LANDISK board + * + * Copyright (C) 2006 kogiidena + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + */ +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/pci.h> +#include "pci-sh4.h" + +int pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin) +{ + /* + * slot0: pin1-4 = irq5,6,7,8 + * slot1: pin1-4 = irq6,7,8,5 + * slot2: pin1-4 = irq7,8,5,6 + * slot3: pin1-4 = irq8,5,6,7 + */ + int irq = ((slot + pin - 1) & 0x3) + 5; + + if ((slot | (pin - 1)) > 0x3) { + printk("PCI: Bad IRQ mapping request for slot %d pin %c\n", + slot, pin - 1 + 'A'); + return -1; + } + return irq; +} |