From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: jejb@parisc-linux.org, deller@gmx.de,
linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo
Date: Sat, 12 Aug 2017 23:36:47 +0200 [thread overview]
Message-ID: <20170812214418.DB60D50835D@solo.franken.de> (raw)
For 64bit kernels the lmmio_space_offset of the host bridge window
isn't set correctly on systems with dino/cujo PCI host bridges.
This leads to not assigned memory bars and failing drivers, which
need to use these bars.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
drivers/parisc/dino.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 5c63b92..ed92c12 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -956,7 +956,7 @@ static int __init dino_probe(struct parisc_device *dev)
dino_dev->hba.dev = dev;
dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096);
- dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */
+ dino_dev->hba.lmmio_space_offset = PCI_F_EXTEND;
spin_lock_init(&dino_dev->dinosaur_pen);
dino_dev->hba.iommu = ccio_get_iommu(dev);
--
2.1.4
reply other threads:[~2017-08-12 21:44 UTC|newest]
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