[PATCH 1/7] staging: slicoss: slicoss.c: fix different address space sparse warning

[Peng Sun]

add IOMEM_GET_FIELD32 to get u32 value of a member of a __iomem structure;

Signed-off-by: Peng Sun 
---
 drivers/staging/slicoss/slic.h| 7 +++
 drivers/staging/slicoss/slicoss.c | 4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h
index fe1d2ce..022e7f6 100644
--- a/drivers/staging/slicoss/slic.h
+++ b/drivers/staging/slicoss/slic.h
@@ -539,6 +539,13 @@ static inline void slic_flush_write(struct adapter 
*adapter)
ioread32(adapter->regs + SLIC_REG_HOSTID);
 }
 
+#define IOMEM_GET_FIELD32(base, member)
\
+({ \
+   char __iomem *_base = (char __iomem *)base; \
+   _base += offsetof(typeof(*base), member);   \
+   ioread32(_base);\
+})
+
 #define UPDATE_STATS(largestat, newstat, oldstat)\
 {\
if ((newstat) < (oldstat))   \
diff --git a/drivers/staging/slicoss/slicoss.c 
b/drivers/staging/slicoss/slicoss.c
index 21280a3..929a0d5 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -924,8 +924,8 @@ err_unlock_irq:
 static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
 {
struct slic_shmemory *sm = >shmem;
-   struct slic_shmem_data *sm_data = sm->shmem_data;
-   u32 lst = sm_data->lnkstatus;
+   struct slic_shmem_data __iomem *sm_data = sm->shmem_data;
+   u32 lst = IOMEM_GET_FIELD32(sm_data, lnkstatus);
uint linkup;
unsigned char linkspeed;
unsigned char linkduplex;
-- 
2.7.4

[PATCH 1/7] staging: slicoss: slicoss.c: fix different address space sparse warning

[Peng Sun]

add IOMEM_GET_FIELD32 to get u32 value of a member of a __iomem structure;

Signed-off-by: Peng Sun 
---
 drivers/staging/slicoss/slic.h| 7 +++
 drivers/staging/slicoss/slicoss.c | 4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h
index fe1d2ce..022e7f6 100644
--- a/drivers/staging/slicoss/slic.h
+++ b/drivers/staging/slicoss/slic.h
@@ -539,6 +539,13 @@ static inline void slic_flush_write(struct adapter 
*adapter)
ioread32(adapter->regs + SLIC_REG_HOSTID);
 }
 
+#define IOMEM_GET_FIELD32(base, member)
\
+({ \
+   char __iomem *_base = (char __iomem *)base; \
+   _base += offsetof(typeof(*base), member);   \
+   ioread32(_base);\
+})
+
 #define UPDATE_STATS(largestat, newstat, oldstat)\
 {\
if ((newstat) < (oldstat))   \
diff --git a/drivers/staging/slicoss/slicoss.c 
b/drivers/staging/slicoss/slicoss.c
index 21280a3..929a0d5 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -924,8 +924,8 @@ err_unlock_irq:
 static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
 {
struct slic_shmemory *sm = >shmem;
-   struct slic_shmem_data *sm_data = sm->shmem_data;
-   u32 lst = sm_data->lnkstatus;
+   struct slic_shmem_data __iomem *sm_data = sm->shmem_data;
+   u32 lst = IOMEM_GET_FIELD32(sm_data, lnkstatus);
uint linkup;
unsigned char linkspeed;
unsigned char linkduplex;
-- 
2.7.4