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-rw-r--r--drivers/edac/pnd2_edac.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/edac/pnd2_edac.c b/drivers/edac/pnd2_edac.c
index ca25f8fe57ef..1ad538baaa4a 100644
--- a/drivers/edac/pnd2_edac.c
+++ b/drivers/edac/pnd2_edac.c
@@ -260,11 +260,14 @@ static u64 get_sideband_reg_base_addr(void)
}
}
+#define DNV_MCHBAR_SIZE 0x8000
+#define DNV_SB_PORT_SIZE 0x10000
static int dnv_rd_reg(int port, int off, int op, void *data, size_t sz, char *name)
{
struct pci_dev *pdev;
char *base;
u64 addr;
+ unsigned long size;
if (op == 4) {
pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x1980, NULL);
@@ -279,15 +282,17 @@ static int dnv_rd_reg(int port, int off, int op, void *data, size_t sz, char *na
addr = get_mem_ctrl_hub_base_addr();
if (!addr)
return -ENODEV;
+ size = DNV_MCHBAR_SIZE;
} else {
/* MMIO via sideband register base address */
addr = get_sideband_reg_base_addr();
if (!addr)
return -ENODEV;
addr += (port << 16);
+ size = DNV_SB_PORT_SIZE;
}
- base = ioremap((resource_size_t)addr, 0x10000);
+ base = ioremap((resource_size_t)addr, size);
if (!base)
return -ENODEV;