staging: wilc1000: remove wrapper around usleep_range()

Just call the function directly, no need for the indirection.

Cc: Johnny Kim <johnny.kim@atmel.com>
Cc: Rachel Kim <rachel.kim@atmel.com>
Cc: Dean Lee <dean.lee@atmel.com>
Cc: Chris Park <chris.park@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/linux_wlan.c

@@ -527,17 +527,6 @@ static void deinit_irq(linux_wlan_t *nic)
 /*
  *      OS functions
  */
-static void linux_wlan_msleep(uint32_t msc)
-{
-	if (msc <= 4000000) {
-		u32 u32Temp = msc * 1000;
-
-		usleep_range(u32Temp, u32Temp);
-	} else {
-		msleep(msc);
-	}
-}
-
 static void linux_wlan_dbg(uint8_t *buff)
 {
 	PRINT_D(INIT_DBG, "%d\n", *buff);
@@ -1310,7 +1299,6 @@ void linux_to_wlan(wilc_wlan_inp_t *nwi, linux_wlan_t *nic)
 	nwi->os_context.rxq_wait_event = (void *)&g_linux_wlan->rxq_event;
 	nwi->os_context.cfg_wait_event = (void *)&g_linux_wlan->cfg_event;
 
-	nwi->os_func.os_sleep = linux_wlan_msleep;
 	nwi->os_func.os_debug = linux_wlan_dbg;
 	nwi->os_func.os_wait = linux_wlan_lock_timeout;
 

drivers/staging/wilc1000/wilc_wlan.c

@@ -999,7 +999,7 @@ static int wilc_wlan_handle_txq(uint32_t *pu32TxqCount)
 				 **/
 				PRINT_WRN(GENERIC_DBG, "[wilc txq]: warn, vmm table not clear yet, wait...\n");
 				release_bus(RELEASE_ALLOW_SLEEP);
-				p->os_func.os_sleep(3); /* wait 3 ms */
+				usleep_range(3000, 3000);
 				acquire_bus(ACQUIRE_AND_WAKEUP);
 			}
 		} while (!p->quit);
@@ -1049,7 +1049,7 @@ static int wilc_wlan_handle_txq(uint32_t *pu32TxqCount)
 					break;
 				} else {
 					release_bus(RELEASE_ALLOW_SLEEP);
-					p->os_func.os_sleep(3); /* wait 3 ms */
+					usleep_range(3000, 3000);
 					acquire_bus(ACQUIRE_AND_WAKEUP);
 					PRINT_WRN(GENERIC_DBG, "Can't get VMM entery - reg = %2x\n", reg);
 				}

drivers/staging/wilc1000/wilc_wlan_if.h

@@ -84,7 +84,6 @@ typedef struct {
 } sdio_cmd53_t;
 
 typedef struct {
-	void (*os_sleep)(uint32_t);
 	void (*os_debug)(uint8_t *);
 	int (*os_wait)(void *, u32);
 } wilc_wlan_os_func_t;