Cosmetic cleanup for ref_clock code while configured by board.
Signed-off-by: Gery Kahn <geryk@xxxxxx>
---
v2: added enum for wl12xx boards reference clock
drivers/net/wireless/wl12xx/wl1271_boot.c | 10 ++++------
include/linux/wl12xx.h | 8 ++++++++
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 b910212..5b19072 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 4f902e1..bebb8ef 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 */
--
1.7.0.4
--
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