path: root/drivers/net/wireless/wl1251
diff options
authorLuciano Coelho <coelho@ti.com>2011-12-21 22:36:28 +0200
committerLuciano Coelho <coelho@ti.com>2012-02-15 08:38:27 +0200
commitac9e2d9afa90ecb7ee1b419cce6969f31a138f77 (patch)
tree6f13a8b12b0bf87ee3d74e96498eb2d77d0b8ba8 /drivers/net/wireless/wl1251
parent059625e757754459d8adb370e3d751abdd51723b (diff)
wl1251: convert 32-bit values to le32 before writing to the chip
The 32-bit values were not converted before writing them to the chip. Change the wl1251_read32() and wl1251_write32() so that they always read and write le32 values and convert to and from the CPU endianess. Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl1251')
2 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/wireless/wl1251/io.h b/drivers/net/wireless/wl1251/io.h
index c545e9d5f512..d382877c34cc 100644
--- a/drivers/net/wireless/wl1251/io.h
+++ b/drivers/net/wireless/wl1251/io.h
@@ -36,16 +36,15 @@
static inline u32 wl1251_read32(struct wl1251 *wl, int addr)
- u32 response;
- wl->if_ops->read(wl, addr, &response, sizeof(u32));
+ wl->if_ops->read(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32));
- return response;
+ return le32_to_cpu(wl->buffer_32);
static inline void wl1251_write32(struct wl1251 *wl, int addr, u32 val)
- wl->if_ops->write(wl, addr, &val, sizeof(u32));
+ wl->buffer_32 = cpu_to_le32(val);
+ wl->if_ops->write(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32));
static inline u32 wl1251_read_elp(struct wl1251 *wl, int addr)
diff --git a/drivers/net/wireless/wl1251/wl1251.h b/drivers/net/wireless/wl1251/wl1251.h
index a77f1bbbed0a..9d8f5816c6f9 100644
--- a/drivers/net/wireless/wl1251/wl1251.h
+++ b/drivers/net/wireless/wl1251/wl1251.h
@@ -380,7 +380,7 @@ struct wl1251 {
struct wl1251_stats stats;
struct wl1251_debugfs debugfs;
- u32 buffer_32;
+ __le32 buffer_32;
u32 buffer_cmd;
u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
struct wl1251_rx_descriptor *rx_descriptor;