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Date:   Sat,  9 Dec 2017 19:02:56 +0100
From:   Simon Sandström <simon@...anor.nu>
To:     gregkh@...uxfoundation.org
Cc:     marcin.s.ciupak@...il.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] staging: pi433: Remove function entry dev_dbg()

ftrace can be used to trace function calls, so there is no need to use
dev_dbg() here.

Signed-off-by: Simon Sandström <simon@...anor.nu>
---
 drivers/staging/pi433/rf69.c | 156 -------------------------------------------
 1 file changed, 156 deletions(-)

diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index 39920240c05c..04a74423c325 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -64,10 +64,6 @@ static inline int rf69_read_mod_write(struct spi_device *spi, u8 reg, u8 mask, u
 
 int rf69_set_mode(struct spi_device *spi, enum mode mode)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: mode");
-#endif
-
 	switch (mode) {
 	case transmit:	  return rf69_read_mod_write(spi, REG_OPMODE, MASK_OPMODE_MODE, OPMODE_MODE_TRANSMIT);
 	case receive:	  return rf69_read_mod_write(spi, REG_OPMODE, MASK_OPMODE_MODE, OPMODE_MODE_RECEIVE);
@@ -91,10 +87,6 @@ int rf69_set_data_mode(struct spi_device *spi, u8 data_mode)
 
 int rf69_set_modulation(struct spi_device *spi, enum modulation modulation)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: modulation");
-#endif
-
 	switch (modulation) {
 	case OOK: return rf69_read_mod_write(spi, REG_DATAMODUL, MASK_DATAMODUL_MODULATION_TYPE, DATAMODUL_MODULATION_TYPE_OOK);
 	case FSK: return rf69_read_mod_write(spi, REG_DATAMODUL, MASK_DATAMODUL_MODULATION_TYPE, DATAMODUL_MODULATION_TYPE_FSK);
@@ -108,10 +100,6 @@ enum modulation rf69_get_modulation(struct spi_device *spi)
 {
 	u8 currentValue;
 
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "get: mode");
-#endif
-
 	currentValue = rf69_read_reg(spi, REG_DATAMODUL);
 
 	switch (currentValue & MASK_DATAMODUL_MODULATION_TYPE >> 3) { // TODO improvement: change 3 to define
@@ -124,10 +112,6 @@ enum modulation rf69_get_modulation(struct spi_device *spi)
 int rf69_set_modulation_shaping(struct spi_device *spi,
 				enum mod_shaping mod_shaping)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: mod shaping");
-#endif
-
 	switch (rf69_get_modulation(spi)) {
 	case FSK:
 		switch (mod_shaping) {
@@ -162,10 +146,6 @@ int rf69_set_bit_rate(struct spi_device *spi, u16 bitRate)
 	u8 msb;
 	u8 lsb;
 
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: bit rate");
-#endif
-
 	// check input value
 	bitRate_min = F_OSC / 8388608; // 8388608 = 2^23;
 	if (bitRate < bitRate_min) {
@@ -199,10 +179,6 @@ int rf69_set_deviation(struct spi_device *spi, u32 deviation)
 	u8 lsb;
 	u64 factor = 1000000; // to improve precision of calculation
 
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: deviation");
-#endif
-
 	// TODO: Dependency to bitrate
 	if (deviation < 600 || deviation > 500000) {
 		dev_dbg(&spi->dev, "set_deviation: illegal input param");
@@ -248,10 +224,6 @@ int rf69_set_frequency(struct spi_device *spi, u32 frequency)
 	u8 lsb;
 	u64 factor = 1000000; // to improve precision of calculation
 
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: frequency");
-#endif
-
 	// calculat f step
 	f_step = F_OSC * factor;
 	do_div(f_step, 524288); //  524288 = 2^19
@@ -297,10 +269,6 @@ int rf69_disable_amplifier(struct spi_device *spi, u8 amplifier_mask)
 
 int rf69_set_output_power_level(struct spi_device *spi, u8 powerLevel)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: power level");
-#endif
-
 	// TODO: Dependency to PA0,1,2 setting
 	powerLevel += 18;
 
@@ -316,10 +284,6 @@ int rf69_set_output_power_level(struct spi_device *spi, u8 powerLevel)
 
 int rf69_set_pa_ramp(struct spi_device *spi, enum paRamp paRamp)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: pa ramp");
-#endif
-
 	switch (paRamp) {
 	case ramp3400:	return rf69_write_reg(spi, REG_PARAMP, PARAMP_3400);
 	case ramp2000:	return rf69_write_reg(spi, REG_PARAMP, PARAMP_2000);
@@ -345,10 +309,6 @@ int rf69_set_pa_ramp(struct spi_device *spi, enum paRamp paRamp)
 
 int rf69_set_antenna_impedance(struct spi_device *spi, enum antennaImpedance antennaImpedance)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: antenna impedance");
-#endif
-
 	switch (antennaImpedance) {
 	case fiftyOhm:	    return rf69_clear_bit(spi, REG_LNA, MASK_LNA_ZIN);
 	case twohundretOhm: return rf69_set_bit(spi, REG_LNA, MASK_LNA_ZIN);
@@ -360,10 +320,6 @@ int rf69_set_antenna_impedance(struct spi_device *spi, enum antennaImpedance ant
 
 int rf69_set_lna_gain(struct spi_device *spi, enum lnaGain lnaGain)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: lna gain");
-#endif
-
 	switch (lnaGain) {
 	case automatic:	 return rf69_read_mod_write(spi, REG_LNA, MASK_LNA_GAIN, LNA_GAIN_AUTO);
 	case max:	 return rf69_read_mod_write(spi, REG_LNA, MASK_LNA_GAIN, LNA_GAIN_MAX);
@@ -382,10 +338,6 @@ enum lnaGain rf69_get_lna_gain(struct spi_device *spi)
 {
 	u8 currentValue;
 
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "get: lna gain");
-#endif
-
 	currentValue = rf69_read_reg(spi, REG_LNA);
 
 	switch (currentValue & MASK_LNA_CURRENT_GAIN >> 3) { // improvement: change 3 to define
@@ -419,19 +371,11 @@ int rf69_set_dc_cut_off_frequency_intern(struct spi_device *spi, u8 reg, enum dc
 
 int rf69_set_dc_cut_off_frequency(struct spi_device *spi, enum dccPercent dccPercent)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: cut off freq");
-#endif
-
 	return rf69_set_dc_cut_off_frequency_intern(spi, REG_RXBW, dccPercent);
 }
 
 int rf69_set_dc_cut_off_frequency_during_afc(struct spi_device *spi, enum dccPercent dccPercent)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: cut off freq during afc");
-#endif
-
 	return rf69_set_dc_cut_off_frequency_intern(spi, REG_AFCBW, dccPercent);
 }
 
@@ -481,28 +425,16 @@ static int rf69_set_bandwidth_intern(struct spi_device *spi, u8 reg,
 
 int rf69_set_bandwidth(struct spi_device *spi, enum mantisse mantisse, u8 exponent)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: band width");
-#endif
-
 	return rf69_set_bandwidth_intern(spi, REG_RXBW, mantisse, exponent);
 }
 
 int rf69_set_bandwidth_during_afc(struct spi_device *spi, enum mantisse mantisse, u8 exponent)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: band width during afc");
-#endif
-
 	return rf69_set_bandwidth_intern(spi, REG_AFCBW, mantisse, exponent);
 }
 
 int rf69_set_ook_threshold_type(struct spi_device *spi, enum thresholdType thresholdType)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: threshold type");
-#endif
-
 	switch (thresholdType) {
 	case fixed:	return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESTYPE, OOKPEAK_THRESHTYPE_FIXED);
 	case peak:	return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESTYPE, OOKPEAK_THRESHTYPE_PEAK);
@@ -515,10 +447,6 @@ int rf69_set_ook_threshold_type(struct spi_device *spi, enum thresholdType thres
 
 int rf69_set_ook_threshold_step(struct spi_device *spi, enum thresholdStep thresholdStep)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: threshold step");
-#endif
-
 	switch (thresholdStep) {
 	case step_0_5db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_0_5_DB);
 	case step_1_0db: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESSTEP, OOKPEAK_THRESHSTEP_1_0_DB);
@@ -536,10 +464,6 @@ int rf69_set_ook_threshold_step(struct spi_device *spi, enum thresholdStep thres
 
 int rf69_set_ook_threshold_dec(struct spi_device *spi, enum thresholdDecrement thresholdDecrement)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: threshold decrement");
-#endif
-
 	switch (thresholdDecrement) {
 	case dec_every8th: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESDEC, OOKPEAK_THRESHDEC_EVERY_8TH);
 	case dec_every4th: return rf69_read_mod_write(spi, REG_OOKPEAK, MASK_OOKPEAK_THRESDEC, OOKPEAK_THRESHDEC_EVERY_4TH);
@@ -562,10 +486,6 @@ int rf69_set_dio_mapping(struct spi_device *spi, u8 DIONumber, u8 value)
 	u8 regaddr;
 	u8 regValue;
 
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: DIO mapping");
-#endif
-
 	switch (DIONumber) {
 	case 0:
 		mask = MASK_DIO0; shift = SHIFT_DIO0; regaddr = REG_DIOMAPPING1;
@@ -602,10 +522,6 @@ int rf69_set_dio_mapping(struct spi_device *spi, u8 DIONumber, u8 value)
 
 bool rf69_get_flag(struct spi_device *spi, enum flag flag)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "get: flag");
-#endif
-
 	switch (flag) {
 	case modeSwitchCompleted:     return (rf69_read_reg(spi, REG_IRQFLAGS1) & MASK_IRQFLAGS1_MODE_READY);
 	case readyToReceive:	      return (rf69_read_reg(spi, REG_IRQFLAGS1) & MASK_IRQFLAGS1_RX_READY);
@@ -630,10 +546,6 @@ bool rf69_get_flag(struct spi_device *spi, enum flag flag)
 
 int rf69_reset_flag(struct spi_device *spi, enum flag flag)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "reset: flag");
-#endif
-
 	switch (flag) {
 	case rssiExceededThreshold: return rf69_write_reg(spi, REG_IRQFLAGS1, MASK_IRQFLAGS1_RSSI);
 	case syncAddressMatch:	    return rf69_write_reg(spi, REG_IRQFLAGS1, MASK_IRQFLAGS1_SYNC_ADDRESS_MATCH);
@@ -646,10 +558,6 @@ int rf69_reset_flag(struct spi_device *spi, enum flag flag)
 
 int rf69_set_rssi_threshold(struct spi_device *spi, u8 threshold)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: rssi threshold");
-#endif
-
 	/* no value check needed - u8 exactly matches register size */
 
 	return rf69_write_reg(spi, REG_RSSITHRESH, threshold);
@@ -657,10 +565,6 @@ int rf69_set_rssi_threshold(struct spi_device *spi, u8 threshold)
 
 int rf69_set_rx_start_timeout(struct spi_device *spi, u8 timeout)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: start timeout");
-#endif
-
 	/* no value check needed - u8 exactly matches register size */
 
 	return rf69_write_reg(spi, REG_RXTIMEOUT1, timeout);
@@ -668,10 +572,6 @@ int rf69_set_rx_start_timeout(struct spi_device *spi, u8 timeout)
 
 int rf69_set_rssi_timeout(struct spi_device *spi, u8 timeout)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: rssi timeout");
-#endif
-
 	/* no value check needed - u8 exactly matches register size */
 
 	return rf69_write_reg(spi, REG_RXTIMEOUT2, timeout);
@@ -682,10 +582,6 @@ int rf69_set_preamble_length(struct spi_device *spi, u16 preambleLength)
 	int retval;
 	u8 msb, lsb;
 
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: preamble length");
-#endif
-
 	/* no value check needed - u16 exactly matches register size */
 
 	/* calculate reg settings */
@@ -713,10 +609,6 @@ int rf69_disable_sync(struct spi_device *spi)
 
 int rf69_set_fifo_fill_condition(struct spi_device *spi, enum fifoFillCondition fifoFillCondition)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: fifo fill condition");
-#endif
-
 	switch (fifoFillCondition) {
 	case always:		 return rf69_set_bit(spi, REG_SYNC_CONFIG, MASK_SYNC_CONFIG_FIFO_FILL_CONDITION);
 	case afterSyncInterrupt: return rf69_clear_bit(spi, REG_SYNC_CONFIG, MASK_SYNC_CONFIG_FIFO_FILL_CONDITION);
@@ -728,10 +620,6 @@ int rf69_set_fifo_fill_condition(struct spi_device *spi, enum fifoFillCondition
 
 int rf69_set_sync_size(struct spi_device *spi, u8 syncSize)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: sync size");
-#endif
-
 	// check input value
 	if (syncSize > 0x07) {
 		dev_dbg(&spi->dev, "set: illegal input param");
@@ -744,10 +632,6 @@ int rf69_set_sync_size(struct spi_device *spi, u8 syncSize)
 
 int rf69_set_sync_tolerance(struct spi_device *spi, u8 syncTolerance)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: sync tolerance");
-#endif
-
 	// check input value
 	if (syncTolerance > 0x07) {
 		dev_dbg(&spi->dev, "set: illegal input param");
@@ -762,10 +646,6 @@ int rf69_set_sync_values(struct spi_device *spi, u8 syncValues[8])
 {
 	int retval = 0;
 
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: sync values");
-#endif
-
 	retval += rf69_write_reg(spi, REG_SYNCVALUE1, syncValues[0]);
 	retval += rf69_write_reg(spi, REG_SYNCVALUE2, syncValues[1]);
 	retval += rf69_write_reg(spi, REG_SYNCVALUE3, syncValues[2]);
@@ -780,10 +660,6 @@ int rf69_set_sync_values(struct spi_device *spi, u8 syncValues[8])
 
 int rf69_set_packet_format(struct spi_device *spi, enum packetFormat packetFormat)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: packet format");
-#endif
-
 	switch (packetFormat) {
 	case packetLengthVar: return rf69_set_bit(spi, REG_PACKETCONFIG1, MASK_PACKETCONFIG1_PAKET_FORMAT_VARIABLE);
 	case packetLengthFix: return rf69_clear_bit(spi, REG_PACKETCONFIG1, MASK_PACKETCONFIG1_PAKET_FORMAT_VARIABLE);
@@ -805,10 +681,6 @@ int rf69_disable_crc(struct spi_device *spi)
 
 int rf69_set_adressFiltering(struct spi_device *spi, enum addressFiltering addressFiltering)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: address filtering");
-#endif
-
 	switch (addressFiltering) {
 	case filteringOff:	     return rf69_read_mod_write(spi, REG_PACKETCONFIG1, MASK_PACKETCONFIG1_ADDRESSFILTERING, PACKETCONFIG1_ADDRESSFILTERING_OFF);
 	case nodeAddress:	     return rf69_read_mod_write(spi, REG_PACKETCONFIG1, MASK_PACKETCONFIG1_ADDRESSFILTERING, PACKETCONFIG1_ADDRESSFILTERING_NODE);
@@ -821,46 +693,26 @@ int rf69_set_adressFiltering(struct spi_device *spi, enum addressFiltering addre
 
 int rf69_set_payload_length(struct spi_device *spi, u8 payloadLength)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: payload length");
-#endif
-
 	return rf69_write_reg(spi, REG_PAYLOAD_LENGTH, payloadLength);
 }
 
 u8  rf69_get_payload_length(struct spi_device *spi)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "get: payload length");
-#endif
-
 	return (u8)rf69_read_reg(spi, REG_PAYLOAD_LENGTH);
 }
 
 int rf69_set_node_address(struct spi_device *spi, u8 nodeAddress)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: node address");
-#endif
-
 	return rf69_write_reg(spi, REG_NODEADRS, nodeAddress);
 }
 
 int rf69_set_broadcast_address(struct spi_device *spi, u8 broadcastAddress)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: broadcast address");
-#endif
-
 	return rf69_write_reg(spi, REG_BROADCASTADRS, broadcastAddress);
 }
 
 int rf69_set_tx_start_condition(struct spi_device *spi, enum txStartCondition txStartCondition)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: start condition");
-#endif
-
 	switch (txStartCondition) {
 	case fifoLevel:	   return rf69_clear_bit(spi, REG_FIFO_THRESH, MASK_FIFO_THRESH_TXSTART);
 	case fifoNotEmpty: return rf69_set_bit(spi, REG_FIFO_THRESH, MASK_FIFO_THRESH_TXSTART);
@@ -874,10 +726,6 @@ int rf69_set_fifo_threshold(struct spi_device *spi, u8 threshold)
 {
 	int retval;
 
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: fifo threshold");
-#endif
-
 	/* check input value */
 	if (threshold & 0x80) {
 		dev_dbg(&spi->dev, "set: illegal input param");
@@ -897,10 +745,6 @@ int rf69_set_fifo_threshold(struct spi_device *spi, u8 threshold)
 
 int rf69_set_dagc(struct spi_device *spi, enum dagc dagc)
 {
-#ifdef DEBUG
-	dev_dbg(&spi->dev, "set: dagc");
-#endif
-
 	switch (dagc) {
 	case normalMode:		 return rf69_write_reg(spi, REG_TESTDAGC, DAGC_NORMAL);
 	case improve:			 return rf69_write_reg(spi, REG_TESTDAGC, DAGC_IMPROVED_LOWBETA0);
-- 
2.11.0

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