openkylin
/
platform_kernel-5.15
mirror of https://gitee.com/openkylin/platform_kernel-5.15.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[POWERPC] 85xx: Add quirk to ignore bogus FPGA on CDS 

The newer Arcadia boards for CDS have an FPGA that shows up on PCI
however isn't a real PCI device.  Add a quirk to just ignore the
FPGA.

This is based on the following patch from Andy & York:

http://ozlabs.org/pipermail/linuxppc-dev/2007-February/032042.html

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2007-07-19 15:39:24 -05:00
parent aa3c112146
commit 4e7982115e
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/powerpc/platforms/85xx/mpc85xx_cds.c
View File

@ -108,6 +108,16 @@ static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev)
}
}
static void __devinit skip_fake_bridge(struct pci_dev *dev)
{
/* Make it an error to skip the fake bridge
* in pci_setup_device() in probe.c */
dev->hdr_type = 0x7f;
}
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x3fff, skip_fake_bridge);
DECLARE_PCI_FIXUP_EARLY(0x3fff, 0x1957, skip_fake_bridge);
DECLARE_PCI_FIXUP_EARLY(0xff3f, 0x5719, skip_fake_bridge);
#ifdef CONFIG_PPC_I8259
#warning The i8259 PIC support is currently broken
static void mpc85xx_8259_cascade(unsigned int irq, struct irq_desc *desc)