[PATCH 22/22] vt8623fb: Compute VGA base iomem pointer explicitly.
DORMANTno replies
From: David Miller <davem@davemloft.net>
Date: 2011-01-11 23:55:17
Also in:
sparclinux
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
This allows the driver to work in multi-domain PCI configurations. Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/video/vt8623fb.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c
index 6f6f049..74df7a8 100644
--- a/drivers/video/vt8623fb.c
+++ b/drivers/video/vt8623fb.c@@ -661,6 +661,8 @@ static struct fb_ops vt8623fb_ops = { static int __devinit vt8623_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { + struct pci_bus_region bus_reg; + struct resource vga_res; struct fb_info *info; struct vt8623fb_info *par; unsigned int memsize1, memsize2;
@@ -719,6 +721,15 @@ static int __devinit vt8623_pci_probe(struct pci_dev *dev, const struct pci_devi goto err_iomap_2; } + bus_reg.start = 0; + bus_reg.end = 64 * 1024; + + vga_res.flags = IORESOURCE_IO; + + pcibios_bus_to_resource(dev, &vga_res, &bus_reg); + + par->state.vgabase = (void __iomem *) vga_res.start; + /* Find how many physical memory there is on card */ memsize1 = (vga_rseq(par->state.vgabase, 0x34) + 1) >> 1; memsize2 = vga_rseq(par->state.vgabase, 0x39) << 2;
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1.7.3.4