From: Paul Mundt <lethal@linux-sh.org>
Date: Sun, 19 Sep 2010 04:54:50 +0000 (+0900)
Subject: sh: pci: Toggle configuration accesses on SH7786.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bdf7499081fc3c521d0f8fc28c6950c7c9bd7e97;p=mv-sheeva.git

sh: pci: Toggle configuration accesses on SH7786.

After configuration accesses have been completed deassert the
configuration access enable cleanly.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/sh/drivers/pci/ops-sh7786.c b/arch/sh/drivers/pci/ops-sh7786.c
index 79a5ddae733..4728199f71a 100644
--- a/arch/sh/drivers/pci/ops-sh7786.c
+++ b/arch/sh/drivers/pci/ops-sh7786.c
@@ -58,6 +58,9 @@ static int sh7786_pcie_config_access(unsigned char access_type,
 	else
 		pci_write_reg(chan, *data, SH4A_PCIEPDR);
 
+	/* Disable the configuration access */
+	pci_write_reg(chan, 0, SH4A_PCIEPCTLR);
+
 	return PCIBIOS_SUCCESSFUL;
 }