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Date: Tue, 13 Sep 2016 19:59:53 -0700
From: Peng Sun <sironhide0null@...il.com>
To: liodot@...il.com, charrer@...critech.com,
gregkh@...uxfoundation.org
Cc: linux-kernel@...r.kernel.org, Peng Sun <sironhide0null@...il.com>
Subject: [PATCH 04/10] staging: slicoss: slic.h: add a macro IOMEM_GET_FIELD64 to fix sparse warnings
Signed-off-by: Peng Sun <sironhide0null@...il.com>
---
drivers/staging/slicoss/slic.h | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h
index 4c22863..b9595c4 100644
--- a/drivers/staging/slicoss/slic.h
+++ b/drivers/staging/slicoss/slic.h
@@ -560,6 +560,31 @@ static inline void slic_flush_write(struct adapter *adapter)
iowrite32(value, _base); \
})
+#ifdef CONFIG_64BIT
+#define IOMEM_GET_FIELD64(base, member) \
+({ \
+ char __iomem *_base = (char __iomem *)base; \
+ _base += offsetof(typeof(*base), member); \
+ readq(_base); \
+})
+#else
+#define IOMEM_GET_FIELD64(base, member) \
+({ \
+ char __iomem *_base = (char __iomem *)base; \
+ u64 val; \
+ _base += offsetof(typeof(*base), member); \
+ val = ((u64)ioread8(_base + 7)) << 56; \
+ val += ((u64)ioread8(_base + 6)) << 48; \
+ val += ((u64)ioread8(_base + 5)) << 40; \
+ val += ((u64)ioread8(_base + 4)) << 32; \
+ val += ((u64)ioread8(_base + 3)) << 24; \
+ val += ((u64)ioread8(_base + 2)) << 16; \
+ val += ((u64)ioread8(_base + 1)) << 8; \
+ val += ioread8(_base); \
+ le64_to_cpu(val); \
+})
+#endif
+
#define UPDATE_STATS(largestat, newstat, oldstat) \
{ \
if ((newstat) < (oldstat)) \
--
2.7.4
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