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Subject[PATCH v2 2/3] x38_edac: make use of lo_hi_readq()
Date
Convert to the generic API.

Signed-off-by: Jason Baron <jbaron@akamai.com>
---
drivers/edac/x38_edac.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/edac/x38_edac.c b/drivers/edac/x38_edac.c
index 4891b45..e644b52 100644
--- a/drivers/edac/x38_edac.c
+++ b/drivers/edac/x38_edac.c
@@ -14,6 +14,8 @@
#include <linux/pci.h>
#include <linux/pci_ids.h>
#include <linux/edac.h>
+
+#include <asm-generic/io-64-nonatomic-lo-hi.h>
#include "edac_core.h"

#define X38_REVISION "1.1"
@@ -161,11 +163,6 @@ static void x38_clear_error_info(struct mem_ctl_info *mci)
X38_ERRSTS_BITS);
}

-static u64 x38_readq(const void __iomem *addr)
-{
- return readl(addr) | (((u64)readl(addr + 4)) << 32);
-}
-
static void x38_get_and_clear_error_info(struct mem_ctl_info *mci,
struct x38_error_info *info)
{
@@ -183,9 +180,9 @@ static void x38_get_and_clear_error_info(struct mem_ctl_info *mci,
if (!(info->errsts & X38_ERRSTS_BITS))
return;

- info->eccerrlog[0] = x38_readq(window + X38_C0ECCERRLOG);
+ info->eccerrlog[0] = lo_hi_readq(window + X38_C0ECCERRLOG);
if (x38_channel_num == 2)
- info->eccerrlog[1] = x38_readq(window + X38_C1ECCERRLOG);
+ info->eccerrlog[1] = lo_hi_readq(window + X38_C1ECCERRLOG);

pci_read_config_word(pdev, X38_ERRSTS, &info->errsts2);

@@ -196,10 +193,10 @@ static void x38_get_and_clear_error_info(struct mem_ctl_info *mci,
* should be UE info.
*/
if ((info->errsts ^ info->errsts2) & X38_ERRSTS_BITS) {
- info->eccerrlog[0] = x38_readq(window + X38_C0ECCERRLOG);
+ info->eccerrlog[0] = lo_hi_readq(window + X38_C0ECCERRLOG);
if (x38_channel_num == 2)
info->eccerrlog[1] =
- x38_readq(window + X38_C1ECCERRLOG);
+ lo_hi_readq(window + X38_C1ECCERRLOG);
}

x38_clear_error_info(mci);
--
1.8.2.rc2


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