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wl12xx: allocate buffer the spi busy word from struct wl12xx 

Needed for DMA transfers.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Kalle Valo 2009-06-12 14:14:55 +03:00 committed by John W. Linville
parent 56343a3cfd
commit 5262c12d16
3 changed files with 6 additions and 4 deletions
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5
drivers/net/wireless/wl12xx/spi.c
View File

@ -262,10 +262,11 @@ void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf,
{
struct spi_transfer t[3];
struct spi_message m;
char busy_buf[TNETWIF_READ_OFFSET_BYTES];
u8 *busy_buf;
u32 *cmd;
cmd = &wl->buffer_cmd;
busy_buf = wl->buffer_busyword;
*cmd = 0;
*cmd |= WSPI_CMD_READ;
@ -281,7 +282,7 @@ void wl12xx_spi_read(struct wl12xx *wl, int addr, void *buf,
/* Busy and non busy words read */
t[1].rx_buf = busy_buf;
t[1].len = TNETWIF_READ_OFFSET_BYTES;
t[1].len = WL12XX_BUSY_WORD_LEN;
spi_message_add_tail(&t[1], &m);
t[2].rx_buf = buf;

3
drivers/net/wireless/wl12xx/spi.h
View File

@ -65,9 +65,8 @@
#define WSPI_INIT_CMD_LEN 8
#define TNETWIF_READ_OFFSET_BYTES 8
#define HW_ACCESS_WSPI_FIXED_BUSY_LEN \
((TNETWIF_READ_OFFSET_BYTES - 4) / sizeof(u32))
((WL12XX_BUSY_WORD_LEN - 4) / sizeof(u32))
#define HW_ACCESS_WSPI_INIT_CMD_MASK 0

2
drivers/net/wireless/wl12xx/wl12xx.h
View File

@ -105,6 +105,7 @@ enum {
CFG_RX_AUTH_EN | \
CFG_RX_ASSOC_EN)
#define WL12XX_BUSY_WORD_LEN 8
struct boot_attr {
u32 radio_type;
@ -385,6 +386,7 @@ struct wl12xx {
u32 buffer_32;
u32 buffer_cmd;
u8 buffer_busyword[WL12XX_BUSY_WORD_LEN];
};
int wl12xx_plt_start(struct wl12xx *wl);