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wl1251: convert 32-bit values to le32 before writing to the chip

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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>
This commit is contained in:
Luciano Coelho 2011-12-21 22:36:28 +02:00
parent 059625e757
commit ac9e2d9afa
2 changed files with 5 additions and 6 deletions
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9
drivers/net/wireless/wl1251/io.h
View File

@ -36,16 +36,15 @@
static inline u32 wl1251_read32(struct wl1251 *wl, int addr) static inline u32 wl1251_read32(struct wl1251 *wl, int addr)
{ {
u32 response; wl->if_ops->read(wl, addr, &wl->buffer_32, sizeof(wl->buffer_32));
wl->if_ops->read(wl, addr, &response, sizeof(u32)); return le32_to_cpu(wl->buffer_32);
return response;
} }
static inline void wl1251_write32(struct wl1251 *wl, int addr, u32 val) 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) static inline u32 wl1251_read_elp(struct wl1251 *wl, int addr)

2
drivers/net/wireless/wl1251/wl1251.h
View File

@ -380,7 +380,7 @@ struct wl1251 {
struct wl1251_stats stats; struct wl1251_stats stats;
struct wl1251_debugfs debugfs; struct wl1251_debugfs debugfs;
u32 buffer_32; __le32 buffer_32;
u32 buffer_cmd; u32 buffer_cmd;
u8 buffer_busyword[WL1251_BUSY_WORD_LEN]; u8 buffer_busyword[WL1251_BUSY_WORD_LEN];
struct wl1251_rx_descriptor *rx_descriptor; struct wl1251_rx_descriptor *rx_descriptor;