staging: wilc1000: remove WILC_Sleep()

It was just a wrapper around usleep_range() so call that directly
instead and remove the now-empty file.

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/Makefile

@@ -26,7 +26,7 @@ ccflags-$(CONFIG_WILC1000_DYNAMICALLY_ALLOCATE_MEMROY) += -DWILC_NORMAL_ALLOC
 
 
 wilc1000-objs := wilc_wfi_cfgoperations.o linux_wlan.o linux_mon.o \
-			wilc_memory.o wilc_msgqueue.o wilc_sleep.o \
+			wilc_memory.o wilc_msgqueue.o \
 			wilc_timer.o coreconfigurator.o host_interface.o \
 			wilc_sdio.o wilc_spi.o wilc_wlan_cfg.o wilc_debugfs.o
 

drivers/staging/wilc1000/host_interface.c

@@ -4339,7 +4339,7 @@ static int hostIFthread(void *pvArg)
 		/*Re-Queue HIF message*/
 		if ((!g_wilc_initialized)) {
 			PRINT_D(GENERIC_DBG, "--WAIT--");
-			WILC_Sleep(200);
+			usleep_range(200 * 1000, 200 * 1000);
 			WILC_MsgQueueSend(&gMsgQHostIF, &strHostIFmsg, sizeof(tstrHostIFmsg), NULL);
 			continue;
 		}
@@ -4347,7 +4347,7 @@ static int hostIFthread(void *pvArg)
 		if (strHostIFmsg.u16MsgId == HOST_IF_MSG_CONNECT && pstrWFIDrv->strWILC_UsrScanReq.pfUserScanResult != NULL) {
 			PRINT_D(HOSTINF_DBG, "Requeue connect request till scan done received\n");
 			WILC_MsgQueueSend(&gMsgQHostIF, &strHostIFmsg, sizeof(tstrHostIFmsg), NULL);
-			WILC_Sleep(2);
+			usleep_range(2 * 1000, 2 * 1000);
 			continue;
 		}
 

drivers/staging/wilc1000/wilc_oswrapper.h

@@ -23,9 +23,6 @@
 /* Error reporting and handling support */
 #include "wilc_errorsupport.h"
 
-/* Sleep support */
-#include "wilc_sleep.h"
-
 /* Timer support */
 #include "wilc_timer.h"
 

drivers/staging/wilc1000/wilc_sleep.c

@@ -1,18 +0,0 @@
-
-#include "wilc_sleep.h"
-
-/*
- *  @author	mdaftedar
- *  @date	10 Aug 2010
- *  @version	1.0
- */
-void WILC_Sleep(u32 u32TimeMilliSec)
-{
-	if (u32TimeMilliSec <= 4000000)	{
-		u32 u32Temp = u32TimeMilliSec * 1000;
-		usleep_range(u32Temp, u32Temp);
-	} else {
-		msleep(u32TimeMilliSec);
-	}
-
-}

drivers/staging/wilc1000/wilc_sleep.h

@@ -1,20 +0,0 @@
-#ifndef __WILC_SLEEP_H__
-#define __WILC_SLEEP_H__
-
-#include <linux/types.h>
-#include <linux/delay.h>
-
-/*!
- *  @brief	forces the current thread to sleep until the given time has elapsed
- *  @param[in]	u32TimeMilliSec Time to sleep in Milli seconds
- *  @sa		WILC_SleepMicrosec
- *  @author	syounan
- *  @date	10 Aug 2010
- *  @version	1.0
- *  @note	This function offers a relatively innacurate and low resolution
- *              sleep, for accurate high resolution sleep use u32TimeMicoSec
- */
-/* TODO: remove and open-code in callers */
-void WILC_Sleep(u32 u32TimeMilliSec);
-
-#endif

drivers/staging/wilc1000/wilc_wlan.c

@@ -730,7 +730,7 @@ INLINE void chip_wakeup(void)
 
 			do {
 				/* Wait for the chip to stabilize*/
-				WILC_Sleep(2);
+				usleep_range(2 * 1000, 2 * 1000);
 				/* Make sure chip is awake. This is an extra step that can be removed */
 				/* later to avoid the bus access overhead */
 				if ((wilc_get_chipid(true) == 0)) {
@@ -753,7 +753,7 @@ INLINE void chip_wakeup(void)
 			/* If still off, redo the wake up sequence */
 			while (((clk_status_reg & 0x1) == 0) && (((++trials) % 3) == 0)) {
 				/* Wait for the chip to stabilize*/
-				WILC_Sleep(2);
+				usleep_range(2 * 1000, 2 * 1000);
 
 				/* Make sure chip is awake. This is an extra step that can be removed */
 				/* later to avoid the bus access overhead */
@@ -1408,7 +1408,7 @@ static void wilc_wlan_handle_isr_ext(uint32_t int_status)
 		buffer = p->os_func.os_malloc(size);
 		if (buffer == NULL) {
 			wilc_debug(N_ERR, "[wilc isr]: fail alloc host memory...drop the packets (%d)\n", size);
-			WILC_Sleep(100);
+			usleep_range(100 * 1000, 100 * 1000);
 			goto _end_;
 		}
 #endif