[media] drxk_hard: use usleep_range()

X-Patchwork-Delegate: mchehab@redhat.com
Fixes the following checkpatch.pl warnings:
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+			msleep(10);
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+		msleep(1);
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+			msleep(1);
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+		msleep(1);
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+		msleep(1);
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+		msleep(1);
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+		msleep(1);
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+		msleep(1);
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb-frontends/drxk_hard.c

@@ -505,7 +505,7 @@ static int power_up_device(struct drxk_state *state)
 			data = 0;
 			status = i2c_write(state, state->demod_address,
 					   &data, 1);
-			msleep(10);
+			usleep_range(10000, 11000);
 			retry_count++;
 			if (status < 0)
 				continue;
@@ -1017,7 +1017,7 @@ static int hi_command(struct drxk_state *state, u16 cmd, u16 *p_result)
 	if (status < 0)
 		goto error;
 	if (cmd == SIO_HI_RA_RAM_CMD_RESET)
-		msleep(1);
+		usleep_range(1000, 2000);
 
 	powerdown_cmd =
 	    (bool) ((cmd == SIO_HI_RA_RAM_CMD_CONFIG) &&
@@ -1030,7 +1030,7 @@ static int hi_command(struct drxk_state *state, u16 cmd, u16 *p_result)
 		u16 wait_cmd;
 
 		do {
-			msleep(1);
+			usleep_range(1000, 2000);
 			retry_count += 1;
 			status = read16(state, SIO_HI_RA_RAM_CMD__A,
 					  &wait_cmd);
@@ -1279,7 +1279,7 @@ static int bl_chain_cmd(struct drxk_state *state,
 
 	end = jiffies + msecs_to_jiffies(time_out);
 	do {
-		msleep(1);
+		usleep_range(1000, 2000);
 		status = read16(state, SIO_BL_STATUS__A, &bl_status);
 		if (status < 0)
 			goto error;
@@ -1392,7 +1392,7 @@ static int dvbt_enable_ofdm_token_ring(struct drxk_state *state, bool enable)
 		status = read16(state, SIO_OFDM_SH_OFDM_RING_STATUS__A, &data);
 		if ((status >= 0 && data == desired_status) || time_is_after_jiffies(end))
 			break;
-		msleep(1);
+		usleep_range(1000, 2000);
 	} while (1);
 	if (data != desired_status) {
 		pr_err("SIO not ready\n");
@@ -1471,7 +1471,7 @@ static int scu_command(struct drxk_state *state,
 	/* Wait until SCU has processed command */
 	end = jiffies + msecs_to_jiffies(DRXK_MAX_WAITTIME);
 	do {
-		msleep(1);
+		usleep_range(1000, 2000);
 		status = read16(state, SCU_RAM_COMMAND__A, &cur_cmd);
 		if (status < 0)
 			goto error;
@@ -3187,7 +3187,7 @@ static int dvbt_sc_command(struct drxk_state *state,
 	/* Wait until sc is ready to receive command */
 	retry_cnt = 0;
 	do {
-		msleep(1);
+		usleep_range(1000, 2000);
 		status = read16(state, OFDM_SC_RA_RAM_CMD__A, &cur_cmd);
 		retry_cnt++;
 	} while ((cur_cmd != 0) && (retry_cnt < DRXK_MAX_RETRIES));
@@ -3239,7 +3239,7 @@ static int dvbt_sc_command(struct drxk_state *state,
 	/* Wait until sc is ready processing command */
 	retry_cnt = 0;
 	do {
-		msleep(1);
+		usleep_range(1000, 2000);
 		status = read16(state, OFDM_SC_RA_RAM_CMD__A, &cur_cmd);
 		retry_cnt++;
 	} while ((cur_cmd != 0) && (retry_cnt < DRXK_MAX_RETRIES));
@@ -5947,7 +5947,7 @@ static int init_drxk(struct drxk_state *state)
 		if (status < 0)
 			goto error;
 		/* TODO is this needed, if yes how much delay in worst case scenario */
-		msleep(1);
+		usleep_range(1000, 2000);
 		state->m_drxk_a3_patch_code = true;
 		status = get_device_capabilities(state);
 		if (status < 0)