I should mention that this patch is untested. I do not have hardware
that implements said register.
On 9/12/19 1:24 PM, Steffen Liebergeld wrote:
According to documentation [0] the correct offset for the
Upstream Peer Decode Configuration Register (UPDCR) is 0x1014.
It was previously defined as 0x1114. This patch fixes it.
[0]
https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/4th-gen-core-family-mobile-i-o-datasheet.pdf
(page 325)
Signed-off-by: Steffen Liebergeld <steffen.liebergeld@xxxxxxxxxxxxxxx>
---
drivers/pci/quirks.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 208aacf39329..7e184beb2aa4 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4602,7 +4602,7 @@ int pci_dev_specific_acs_enabled(struct pci_dev *dev, u16 acs_flags)
#define INTEL_BSPR_REG_BPPD (1 << 9)
/* Upstream Peer Decode Configuration Register */
-#define INTEL_UPDCR_REG 0x1114
+#define INTEL_UPDCR_REG 0x1014
/* 5:0 Peer Decode Enable bits */
#define INTEL_UPDCR_REG_MASK 0x3f
