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>

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;