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Date: Sat, 2 Jan 2016 20:30:21 +0000
From: Hugo Camboulive <hugo.camboulive@...il.com>
To: gregkh@...uxfoundation.org, chaehyun.lim@...il.com,
christian.gromm@...rochip.com, andrey.shvetsov@....de,
sudipm.mukherjee@...il.com, joe@...ches.com,
hugo.camboulive@...il.com, shraddha.6596@...il.com
Cc: devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: most: add __iomem for io_base and registers
This removes a few Sparse warnings.
Signed-off-by: Hugo Camboulive <hugo.camboulive@...il.com>
---
drivers/staging/most/hdm-dim2/dim2_hal.c | 6 +++---
drivers/staging/most/hdm-dim2/dim2_hal.h | 6 +++---
drivers/staging/most/hdm-dim2/dim2_hdm.c | 6 +++---
drivers/staging/most/hdm-dim2/dim2_hdm.h | 2 +-
4 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/staging/most/hdm-dim2/dim2_hal.c b/drivers/staging/most/hdm-dim2/dim2_hal.c
index 1722575..ff778d3 100644
--- a/drivers/staging/most/hdm-dim2/dim2_hal.c
+++ b/drivers/staging/most/hdm-dim2/dim2_hal.c
@@ -84,7 +84,7 @@ static inline bool dim_on_error(u8 error_id, const char *error_message)
struct lld_global_vars_t {
bool dim_is_initialized;
bool mcm_is_initialized;
- struct dim2_regs *dim2; /* DIM2 core base address */
+ struct dim2_regs __iomem *dim2; /* DIM2 core base address */
u32 dbr_map[DBR_MAP_SIZE];
};
@@ -650,7 +650,7 @@ static bool channel_detach_buffers(struct dim_channel *ch, u16 buffers_number)
/* -------------------------------------------------------------------------- */
/* API */
-u8 dim_startup(void *dim_base_address, u32 mlb_clock)
+u8 dim_startup(void __iomem *dim_base_address, u32 mlb_clock)
{
g.dim_is_initialized = false;
@@ -662,7 +662,7 @@ u8 dim_startup(void *dim_base_address, u32 mlb_clock)
if (mlb_clock >= 8)
return DIM_INIT_ERR_MLB_CLOCK;
- g.dim2 = dim_base_address;
+ g.dim2 = (struct dim2_regs __iomem *)dim_base_address;
g.dbr_map[0] = 0;
g.dbr_map[1] = 0;
diff --git a/drivers/staging/most/hdm-dim2/dim2_hal.h b/drivers/staging/most/hdm-dim2/dim2_hal.h
index 48cdd9c..8df40c9 100644
--- a/drivers/staging/most/hdm-dim2/dim2_hal.h
+++ b/drivers/staging/most/hdm-dim2/dim2_hal.h
@@ -65,7 +65,7 @@ struct dim_channel {
u16 done_sw_buffers_number; /*< Done software buffers number. */
};
-u8 dim_startup(void *dim_base_address, u32 mlb_clock);
+u8 dim_startup(void __iomem *dim_base_address, u32 mlb_clock);
void dim_shutdown(void);
@@ -103,9 +103,9 @@ bool dim_enqueue_buffer(struct dim_channel *ch, u32 buffer_addr,
bool dim_detach_buffers(struct dim_channel *ch, u16 buffers_number);
-u32 dimcb_io_read(u32 *ptr32);
+u32 dimcb_io_read(u32 __iomem *ptr32);
-void dimcb_io_write(u32 *ptr32, u32 value);
+void dimcb_io_write(u32 __iomem *ptr32, u32 value);
void dimcb_on_error(u8 error_id, const char *error_message);
diff --git a/drivers/staging/most/hdm-dim2/dim2_hdm.c b/drivers/staging/most/hdm-dim2/dim2_hdm.c
index 327d738..7d22a6b 100644
--- a/drivers/staging/most/hdm-dim2/dim2_hdm.c
+++ b/drivers/staging/most/hdm-dim2/dim2_hdm.c
@@ -99,7 +99,7 @@ struct dim2_hdm {
struct most_channel_capability capabilities[DMA_CHANNELS];
struct most_interface most_iface;
char name[16 + sizeof "dim2-"];
- void *io_base;
+ void __iomem *io_base;
unsigned int irq_ahb0;
int clk_speed;
struct task_struct *netinfo_task;
@@ -138,7 +138,7 @@ bool dim2_sysfs_get_state_cb(void)
* dimcb_io_read - callback from HAL to read an I/O register
* @ptr32: register address
*/
-u32 dimcb_io_read(u32 *ptr32)
+u32 dimcb_io_read(u32 __iomem *ptr32)
{
return __raw_readl(ptr32);
}
@@ -148,7 +148,7 @@ u32 dimcb_io_read(u32 *ptr32)
* @ptr32: register address
* @value: value to write
*/
-void dimcb_io_write(u32 *ptr32, u32 value)
+void dimcb_io_write(u32 __iomem *ptr32, u32 value)
{
__raw_writel(value, ptr32);
}
diff --git a/drivers/staging/most/hdm-dim2/dim2_hdm.h b/drivers/staging/most/hdm-dim2/dim2_hdm.h
index 1c94e33..4050e7c 100644
--- a/drivers/staging/most/hdm-dim2/dim2_hdm.h
+++ b/drivers/staging/most/hdm-dim2/dim2_hdm.h
@@ -18,7 +18,7 @@ struct device;
/* platform dependent data for dim2 interface */
struct dim2_platform_data {
- int (*init)(struct dim2_platform_data *pd, void *io_base,
+ int (*init)(struct dim2_platform_data *pd, void __iomem *io_base,
int clk_speed);
void (*destroy)(struct dim2_platform_data *pd);
void *priv;
--
2.6.4
--
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