wl1251: introduce wl1251_if_operations struct
Introduce an ops struct with read, write, and reset functions to
abstract away the details of the wl1251 bus interface. Doing this
will allow SDIO to coexist with SPI by supplying its own I/O
routines.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/wl12xx/wl1251_spi.c b/drivers/net/wireless/wl12xx/wl1251_spi.c
index 031a3ba..61a0852 100644
--- a/drivers/net/wireless/wl12xx/wl1251_spi.c
+++ b/drivers/net/wireless/wl12xx/wl1251_spi.c
@@ -29,7 +29,7 @@
#include "reg.h"
#include "wl1251_spi.h"
-void wl1251_spi_reset(struct wl1251 *wl)
+static void wl1251_spi_reset(struct wl1251 *wl)
{
u8 *cmd;
struct spi_transfer t;
@@ -55,7 +55,7 @@
wl1251_dump(DEBUG_SPI, "spi reset -> ", cmd, WSPI_INIT_CMD_LEN);
}
-void wl1251_spi_init(struct wl1251 *wl)
+static void wl1251_spi_init(struct wl1251 *wl)
{
u8 crc[WSPI_INIT_CMD_CRC_LEN], *cmd;
struct spi_transfer t;
@@ -109,6 +109,13 @@
wl1251_dump(DEBUG_SPI, "spi init -> ", cmd, WSPI_INIT_CMD_LEN);
}
+static void wl1251_spi_reset_wake(struct wl1251 *wl)
+{
+ wl1251_spi_reset(wl);
+ wl1251_spi_init(wl);
+}
+
+
/* Set the SPI partitions to access the chip addresses
*
* There are two VIRTUAL (SPI) partitions (the memory partition and the
@@ -232,7 +239,8 @@
return 0;
}
-void wl1251_spi_read(struct wl1251 *wl, int addr, void *buf, size_t len)
+static void wl1251_spi_read(struct wl1251 *wl, int addr, void *buf,
+ size_t len)
{
struct spi_transfer t[3];
struct spi_message m;
@@ -271,7 +279,8 @@
wl1251_dump(DEBUG_SPI, "spi_read buf <- ", buf, len);
}
-void wl1251_spi_write(struct wl1251 *wl, int addr, void *buf, size_t len)
+static void wl1251_spi_write(struct wl1251 *wl, int addr, void *buf,
+ size_t len)
{
struct spi_transfer t[2];
struct spi_message m;
@@ -300,3 +309,9 @@
wl1251_dump(DEBUG_SPI, "spi_write cmd -> ", cmd, sizeof(*cmd));
wl1251_dump(DEBUG_SPI, "spi_write buf -> ", buf, len);
}
+
+const struct wl1251_if_operations wl1251_spi_ops = {
+ .read = wl1251_spi_read,
+ .write = wl1251_spi_write,
+ .reset = wl1251_spi_reset_wake,
+};