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sh: pci: Flag the dreamcast BBA as IORESOURCE_PCI_FIXED.

This isn't a real BAR, so prevent any attempts to move it, as we don't
wish to encourage a bus luck by overzealous PCI initialization code.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Paul Mundt 16 yıl önce
ebeveyn
işleme
d556fcc101
1 değiştirilmiş dosya ile 7 ekleme ve 0 silme
  1. 7 0
      arch/sh/drivers/pci/fixups-dreamcast.c

+ 7 - 0
arch/sh/drivers/pci/fixups-dreamcast.c

@@ -41,6 +41,13 @@ static void __init gapspci_fixup_resources(struct pci_dev *dev)
 		 */
 		dev->resource[1].start	= p->io_resource->start  + 0x100;
 		dev->resource[1].end	= dev->resource[1].start + 0x200 - 1;
+
+		/*
+		 * This is not a normal BAR, prevent any attempts to move
+		 * the BAR, as this will result in a bus lock.
+		 */
+		dev->resource[1].flags |= IORESOURCE_PCI_FIXED;
+
 		/*
 		 * Redirect dma memory allocations to special memory window.
 		 */