wl1271: ref_clock cosmetic changes

Cosmetic cleanup for ref_clock code while configured by board.

Signed-off-by: Gery Kahn <geryk@ti.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>

2 files changed, 12 insertions, 6 deletions

diff --git a/drivers/net/wireless/wl12xx/wl1271_boot.c b/drivers/net/wireless/wl12xx/wl1271_boot.c
index b9102124209..5b190728ca5 100644
--- a/drivers/net/wireless/wl12xx/wl1271_boot.c
+++ b/drivers/net/wireless/wl12xx/wl1271_boot.c
@@ -471,20 +471,19 @@ int wl1271_boot(struct wl1271 *wl)
 {
         int ret = 0;
         u32 tmp, clk, pause;
-        int ref_clock = wl->ref_clock;
 
         wl1271_boot_hw_version(wl);
 
-        if (ref_clock == 0 || ref_clock == 2 || ref_clock == 4)
+        if (wl->ref_clock == 0 || wl->ref_clock == 2 || wl->ref_clock == 4)
                 /* ref clk: 19.2/38.4/38.4-XTAL */
                 clk = 0x3;
-        else if (ref_clock == 1 || ref_clock == 3)
+        else if (wl->ref_clock == 1 || wl->ref_clock == 3)
                 /* ref clk: 26/52 */
                 clk = 0x5;
         else
                 return -EINVAL;
 
-        if (ref_clock != 0) {
+        if (wl->ref_clock != 0) {
                 u16 val;
                 /* Set clock type (open drain) */
                 val = wl1271_top_reg_read(wl, OCP_REG_CLK_TYPE);
@@ -529,8 +528,7 @@ int wl1271_boot(struct wl1271 *wl)
 
         wl1271_debug(DEBUG_BOOT, "clk2 0x%x", clk);
 
-        /* 2 */
-        clk |= (ref_clock << 1) << 4;
+        clk |= (wl->ref_clock << 1) << 4;
         wl1271_write32(wl, DRPW_SCRATCH_START, clk);
 
         wl1271_set_partition(wl, &part_table[PART_WORK]);
diff --git a/include/linux/wl12xx.h b/include/linux/wl12xx.h
index 4f902e1908a..bebb8efea0a 100644
--- a/include/linux/wl12xx.h
+++ b/include/linux/wl12xx.h
@@ -24,6 +24,14 @@
 #ifndef _LINUX_WL12XX_H
 #define _LINUX_WL12XX_H
 
+/* The board reference clock values */
+enum {
+        WL12XX_REFCLOCK_19 = 0, /* 19.2 MHz */
+        WL12XX_REFCLOCK_26 = 1, /* 26 MHz */
+        WL12XX_REFCLOCK_38 = 2, /* 38.4 MHz */
+        WL12XX_REFCLOCK_54 = 3, /* 54 MHz */
+};
+
 struct wl12xx_platform_data {
         void (*set_power)(bool enable);
         /* SDIO only: IRQ number if WLAN_IRQ line is used, 0 for SDIO IRQs */