x86/platform/iosf_mbi: Remove duplicate definitions

The read and write opcodes are global for all units on SoC and even across
Intel SoCs. Remove duplication of corresponding constants. At the same time
convert all current users.

No functional change.
Acked-by: NThomas Gleixner <tglx@linutronix.de>
Acked-by: NBoon Leong Ong <boon.leong.ong@intel.com>
Acked-by: NJacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>

arch/x86/include/asm/iosf_mbi.h

 /*
- * iosf_mbi.h: Intel OnChip System Fabric MailBox access support
+ * Intel OnChip System Fabric MailBox access support
  */
 
 #ifndef IOSF_MBI_SYMS_H
@@ -16,6 +16,16 @@
 #define MBI_MASK_LO		0x000000FF
 #define MBI_ENABLE		0xF0
 
+/* IOSF SB read/write opcodes */
+#define MBI_MMIO_READ		0x00
+#define MBI_MMIO_WRITE		0x01
+#define MBI_CR_READ		0x06
+#define MBI_CR_WRITE		0x07
+#define MBI_REG_READ		0x10
+#define MBI_REG_WRITE		0x11
+#define MBI_ESRAM_READ		0x12
+#define MBI_ESRAM_WRITE		0x13
+
 /* Baytrail available units */
 #define BT_MBI_UNIT_AUNIT	0x00
 #define BT_MBI_UNIT_SMC		0x01
@@ -28,50 +38,13 @@
 #define BT_MBI_UNIT_SATA	0xA3
 #define BT_MBI_UNIT_PCIE	0xA6
 
-/* Baytrail read/write opcodes */
-#define BT_MBI_AUNIT_READ	0x10
-#define BT_MBI_AUNIT_WRITE	0x11
-#define BT_MBI_SMC_READ		0x10
-#define BT_MBI_SMC_WRITE	0x11
-#define BT_MBI_CPU_READ		0x10
-#define BT_MBI_CPU_WRITE	0x11
-#define BT_MBI_BUNIT_READ	0x10
-#define BT_MBI_BUNIT_WRITE	0x11
-#define BT_MBI_PMC_READ		0x06
-#define BT_MBI_PMC_WRITE	0x07
-#define BT_MBI_GFX_READ		0x00
-#define BT_MBI_GFX_WRITE	0x01
-#define BT_MBI_SMIO_READ	0x06
-#define BT_MBI_SMIO_WRITE	0x07
-#define BT_MBI_USB_READ		0x06
-#define BT_MBI_USB_WRITE	0x07
-#define BT_MBI_SATA_READ	0x00
-#define BT_MBI_SATA_WRITE	0x01
-#define BT_MBI_PCIE_READ	0x00
-#define BT_MBI_PCIE_WRITE	0x01
-
 /* Quark available units */
 #define QRK_MBI_UNIT_HBA	0x00
 #define QRK_MBI_UNIT_HB		0x03
 #define QRK_MBI_UNIT_RMU	0x04
 #define QRK_MBI_UNIT_MM		0x05
-#define QRK_MBI_UNIT_MMESRAM	0x05
 #define QRK_MBI_UNIT_SOC	0x31
 
-/* Quark read/write opcodes */
-#define QRK_MBI_HBA_READ	0x10
-#define QRK_MBI_HBA_WRITE	0x11
-#define QRK_MBI_HB_READ		0x10
-#define QRK_MBI_HB_WRITE	0x11
-#define QRK_MBI_RMU_READ	0x10
-#define QRK_MBI_RMU_WRITE	0x11
-#define QRK_MBI_MM_READ		0x10
-#define QRK_MBI_MM_WRITE	0x11
-#define QRK_MBI_MMESRAM_READ	0x12
-#define QRK_MBI_MMESRAM_WRITE	0x13
-#define QRK_MBI_SOC_READ	0x06
-#define QRK_MBI_SOC_WRITE	0x07
-
 #if IS_ENABLED(CONFIG_IOSF_MBI)
 
 bool iosf_mbi_available(void);

arch/x86/platform/atom/punit_atom_debug.c

@@ -25,8 +25,6 @@
 #include <asm/cpu_device_id.h>
 #include <asm/iosf_mbi.h>
 
-/* Side band Interface port */
-#define PUNIT_PORT		0x04
 /* Power gate status reg */
 #define PWRGT_STATUS		0x61
 /* Subsystem config/status Video processor */
@@ -85,9 +83,8 @@ static int punit_dev_state_show(struct seq_file *seq_file, void *unused)
 
 	seq_puts(seq_file, "\n\nPUNIT NORTH COMPLEX DEVICES :\n");
 	while (punit_devp->name) {
-		status = iosf_mbi_read(PUNIT_PORT, BT_MBI_PMC_READ,
-				       punit_devp->reg,
-				       &punit_pwr_status);
+		status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
+				       punit_devp->reg, &punit_pwr_status);
 		if (status) {
 			seq_printf(seq_file, "%9s : Read Failed\n",
 				   punit_devp->name);

arch/x86/platform/intel-quark/imr.c

@@ -111,23 +111,19 @@ static int imr_read(struct imr_device *idev, u32 imr_id, struct imr_regs *imr)
 	u32 reg = imr_id * IMR_NUM_REGS + idev->reg_base;
 	int ret;
 
-	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ,
-				reg++, &imr->addr_lo);
+	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->addr_lo);
 	if (ret)
 		return ret;
 
-	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ,
-				reg++, &imr->addr_hi);
+	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->addr_hi);
 	if (ret)
 		return ret;
 
-	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ,
-				reg++, &imr->rmask);
+	ret = iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->rmask);
 	if (ret)
 		return ret;
 
-	return iosf_mbi_read(QRK_MBI_UNIT_MM, QRK_MBI_MM_READ,
-				reg++, &imr->wmask);
+	return iosf_mbi_read(QRK_MBI_UNIT_MM, MBI_REG_READ, reg++, &imr->wmask);
 }
 
 /**
@@ -151,31 +147,27 @@ static int imr_write(struct imr_device *idev, u32 imr_id,
 
 	local_irq_save(flags);
 
-	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE, reg++,
-				imr->addr_lo);
+	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->addr_lo);
 	if (ret)
 		goto failed;
 
-	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE,
-				reg++, imr->addr_hi);
+	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->addr_hi);
 	if (ret)
 		goto failed;
 
-	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE,
-				reg++, imr->rmask);
+	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->rmask);
 	if (ret)
 		goto failed;
 
-	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE,
-				reg++, imr->wmask);
+	ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE, reg++, imr->wmask);
 	if (ret)
 		goto failed;
 
 	/* Lock bit must be set separately to addr_lo address bits. */
 	if (lock) {
 		imr->addr_lo |= IMR_LOCK;
-		ret = iosf_mbi_write(QRK_MBI_UNIT_MM, QRK_MBI_MM_WRITE,
-					reg - IMR_NUM_REGS, imr->addr_lo);
+		ret = iosf_mbi_write(QRK_MBI_UNIT_MM, MBI_REG_WRITE,
+				     reg - IMR_NUM_REGS, imr->addr_lo);
 		if (ret)
 			goto failed;
 	}

drivers/i2c/busses/i2c-designware-baytrail.c

@@ -34,8 +34,7 @@ static int get_sem(struct device *dev, u32 *sem)
 	u32 data;
 	int ret;
 
-	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ, PUNIT_SEMAPHORE,
-				&data);
+	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, PUNIT_SEMAPHORE, &data);
 	if (ret) {
 		dev_err(dev, "iosf failed to read punit semaphore\n");
 		return ret;
@@ -50,21 +49,19 @@ static void reset_semaphore(struct device *dev)
 {
 	u32 data;
 
-	if (iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
-				PUNIT_SEMAPHORE, &data)) {
+	if (iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, PUNIT_SEMAPHORE, &data)) {
 		dev_err(dev, "iosf failed to reset punit semaphore during read\n");
 		return;
 	}
 
 	data &= ~PUNIT_SEMAPHORE_BIT;
-	if (iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
-				PUNIT_SEMAPHORE, data))
+	if (iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, PUNIT_SEMAPHORE, data))
 		dev_err(dev, "iosf failed to reset punit semaphore during write\n");
 }
 
 static int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
 {
-	u32 sem;
+	u32 sem = PUNIT_SEMAPHORE_ACQUIRE;
 	int ret;
 	unsigned long start, end;
 
@@ -77,8 +74,7 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
 		return 0;
 
 	/* host driver writes to side band semaphore register */
-	ret = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
-				PUNIT_SEMAPHORE, PUNIT_SEMAPHORE_ACQUIRE);
+	ret = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE, PUNIT_SEMAPHORE, sem);
 	if (ret) {
 		dev_err(dev->dev, "iosf punit semaphore request failed\n");
 		return ret;
@@ -102,8 +98,7 @@ static int baytrail_i2c_acquire(struct dw_i2c_dev *dev)
 	dev_err(dev->dev, "punit semaphore timed out, resetting\n");
 	reset_semaphore(dev->dev);
 
-	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
-				PUNIT_SEMAPHORE, &sem);
+	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, PUNIT_SEMAPHORE, &sem);
 	if (ret)
 		dev_err(dev->dev, "iosf failed to read punit semaphore\n");
 	else

drivers/powercap/intel_rapl.c

@@ -988,16 +988,16 @@ static void set_floor_freq_atom(struct rapl_domain *rd, bool enable)
 	}
 
 	if (!power_ctrl_orig_val)
-		iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_PMC_READ,
-			rapl_defaults->floor_freq_reg_addr,
-				&power_ctrl_orig_val);
+		iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_CR_READ,
+			      rapl_defaults->floor_freq_reg_addr,
+			      &power_ctrl_orig_val);
 	mdata = power_ctrl_orig_val;
 	if (enable) {
 		mdata &= ~(0x7f << 8);
 		mdata |= 1 << 8;
 	}
-	iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_PMC_WRITE,
-		rapl_defaults->floor_freq_reg_addr, mdata);
+	iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_CR_WRITE,
+		       rapl_defaults->floor_freq_reg_addr, mdata);
 }
 
 static u64 rapl_compute_time_window_core(struct rapl_package *rp, u64 value,

drivers/thermal/intel_quark_dts_thermal.c

@@ -125,8 +125,8 @@ static int soc_dts_enable(struct thermal_zone_device *tzd)
 	struct soc_sensor_entry *aux_entry = tzd->devdata;
 	int ret;
 
-	ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
-					QRK_DTS_REG_OFFSET_ENABLE, &out);
+	ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+			    QRK_DTS_REG_OFFSET_ENABLE, &out);
 	if (ret)
 		return ret;
 
@@ -137,8 +137,8 @@ static int soc_dts_enable(struct thermal_zone_device *tzd)
 
 	if (!aux_entry->locked) {
 		out |= QRK_DTS_ENABLE_BIT;
-		ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
-					QRK_DTS_REG_OFFSET_ENABLE, out);
+		ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+				     QRK_DTS_REG_OFFSET_ENABLE, out);
 		if (ret)
 			return ret;
 
@@ -158,8 +158,8 @@ static int soc_dts_disable(struct thermal_zone_device *tzd)
 	struct soc_sensor_entry *aux_entry = tzd->devdata;
 	int ret;
 
-	ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
-					QRK_DTS_REG_OFFSET_ENABLE, &out);
+	ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+			    QRK_DTS_REG_OFFSET_ENABLE, &out);
 	if (ret)
 		return ret;
 
@@ -170,8 +170,8 @@ static int soc_dts_disable(struct thermal_zone_device *tzd)
 
 	if (!aux_entry->locked) {
 		out &= ~QRK_DTS_ENABLE_BIT;
-		ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
-					QRK_DTS_REG_OFFSET_ENABLE, out);
+		ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+				     QRK_DTS_REG_OFFSET_ENABLE, out);
 
 		if (ret)
 			return ret;
@@ -192,8 +192,8 @@ static int _get_trip_temp(int trip, int *temp)
 	u32 out;
 
 	mutex_lock(&dts_update_mutex);
-	status = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
-				QRK_DTS_REG_OFFSET_PTPS, &out);
+	status = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+			       QRK_DTS_REG_OFFSET_PTPS, &out);
 	mutex_unlock(&dts_update_mutex);
 
 	if (status)
@@ -236,8 +236,8 @@ static int update_trip_temp(struct soc_sensor_entry *aux_entry,
 		goto failed;
 	}
 
-	ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
-				QRK_DTS_REG_OFFSET_PTPS, &store_ptps);
+	ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+			    QRK_DTS_REG_OFFSET_PTPS, &store_ptps);
 	if (ret)
 		goto failed;
 
@@ -262,8 +262,8 @@ static int update_trip_temp(struct soc_sensor_entry *aux_entry,
 	out |= (temp_out & QRK_DTS_MASK_TP_THRES) <<
 		(trip * QRK_DTS_SHIFT_TP);
 
-	ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
-				QRK_DTS_REG_OFFSET_PTPS, out);
+	ret = iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+			     QRK_DTS_REG_OFFSET_PTPS, out);
 
 failed:
 	mutex_unlock(&dts_update_mutex);
@@ -294,8 +294,8 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd,
 	int ret;
 
 	mutex_lock(&dts_update_mutex);
-	ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
-					QRK_DTS_REG_OFFSET_TEMP, &out);
+	ret = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+			    QRK_DTS_REG_OFFSET_TEMP, &out);
 	mutex_unlock(&dts_update_mutex);
 
 	if (ret)
@@ -350,13 +350,13 @@ static void free_soc_dts(struct soc_sensor_entry *aux_entry)
 	if (aux_entry) {
 		if (!aux_entry->locked) {
 			mutex_lock(&dts_update_mutex);
-			iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
-					QRK_DTS_REG_OFFSET_ENABLE,
-					aux_entry->store_dts_enable);
+			iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+				       QRK_DTS_REG_OFFSET_ENABLE,
+				       aux_entry->store_dts_enable);
 
-			iosf_mbi_write(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_WRITE,
-					QRK_DTS_REG_OFFSET_PTPS,
-					aux_entry->store_ptps);
+			iosf_mbi_write(QRK_MBI_UNIT_RMU, MBI_REG_WRITE,
+				       QRK_DTS_REG_OFFSET_PTPS,
+				       aux_entry->store_ptps);
 			mutex_unlock(&dts_update_mutex);
 		}
 		thermal_zone_device_unregister(aux_entry->tzone);
@@ -378,9 +378,8 @@ static struct soc_sensor_entry *alloc_soc_dts(void)
 	}
 
 	/* Check if DTS register is locked */
-	err = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
-					QRK_DTS_REG_OFFSET_LOCK,
-					&out);
+	err = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+			    QRK_DTS_REG_OFFSET_LOCK, &out);
 	if (err)
 		goto err_ret;
 
@@ -395,16 +394,16 @@ static struct soc_sensor_entry *alloc_soc_dts(void)
 	/* Store DTS default state if DTS registers are not locked */
 	if (!aux_entry->locked) {
 		/* Store DTS default enable for restore on exit */
-		err = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
-					QRK_DTS_REG_OFFSET_ENABLE,
-					&aux_entry->store_dts_enable);
+		err = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+				    QRK_DTS_REG_OFFSET_ENABLE,
+				    &aux_entry->store_dts_enable);
 		if (err)
 			goto err_ret;
 
 		/* Store DTS default PTPS register for restore on exit */
-		err = iosf_mbi_read(QRK_MBI_UNIT_RMU, QRK_MBI_RMU_READ,
-					QRK_DTS_REG_OFFSET_PTPS,
-					&aux_entry->store_ptps);
+		err = iosf_mbi_read(QRK_MBI_UNIT_RMU, MBI_REG_READ,
+				    QRK_DTS_REG_OFFSET_PTPS,
+				    &aux_entry->store_ptps);
 		if (err)
 			goto err_ret;
 	}

drivers/thermal/intel_soc_dts_iosf.c

@@ -90,7 +90,7 @@ static int sys_get_trip_temp(struct thermal_zone_device *tzd, int trip,
 	dts = tzd->devdata;
 	sensors = dts->sensors;
 	mutex_lock(&sensors->dts_update_lock);
-	status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+	status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
 			       SOC_DTS_OFFSET_PTPS, &out);
 	mutex_unlock(&sensors->dts_update_lock);
 	if (status)
@@ -124,27 +124,27 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts,
 
 	temp_out = (sensors->tj_max - temp) / 1000;
 
-	status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+	status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
 			       SOC_DTS_OFFSET_PTPS, &store_ptps);
 	if (status)
 		return status;
 
 	out = (store_ptps & ~(0xFF << (thres_index * 8)));
 	out |= (temp_out & 0xFF) << (thres_index * 8);
-	status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+	status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 				SOC_DTS_OFFSET_PTPS, out);
 	if (status)
 		return status;
 
 	pr_debug("update_trip_temp PTPS = %x\n", out);
-	status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+	status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
 			       SOC_DTS_OFFSET_PTMC, &out);
 	if (status)
 		goto err_restore_ptps;
 
 	store_ptmc = out;
 
-	status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+	status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
 			       SOC_DTS_TE_AUX0 + thres_index,
 			       &te_out);
 	if (status)
@@ -167,12 +167,12 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts,
 			out &= ~SOC_DTS_AUX0_ENABLE_BIT;
 		te_out &= ~int_enable_bit;
 	}
-	status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+	status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 				SOC_DTS_OFFSET_PTMC, out);
 	if (status)
 		goto err_restore_te_out;
 
-	status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+	status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 				SOC_DTS_TE_AUX0 + thres_index,
 				te_out);
 	if (status)
@@ -182,13 +182,13 @@ static int update_trip_temp(struct intel_soc_dts_sensor_entry *dts,
 
 	return 0;
 err_restore_te_out:
-	iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+	iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 		       SOC_DTS_OFFSET_PTMC, store_te_out);
 err_restore_ptmc:
-	iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+	iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 		       SOC_DTS_OFFSET_PTMC, store_ptmc);
 err_restore_ptps:
-	iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+	iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 		       SOC_DTS_OFFSET_PTPS, store_ptps);
 	/* Nothing we can do if restore fails */
 
@@ -235,7 +235,7 @@ static int sys_get_curr_temp(struct thermal_zone_device *tzd,
 
 	dts = tzd->devdata;
 	sensors = dts->sensors;
-	status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+	status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
 			       SOC_DTS_OFFSET_TEMP, &out);
 	if (status)
 		return status;
@@ -259,14 +259,14 @@ static int soc_dts_enable(int id)
 	u32 out;
 	int ret;
 
-	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
 			    SOC_DTS_OFFSET_ENABLE, &out);
 	if (ret)
 		return ret;
 
 	if (!(out & BIT(id))) {
 		out |= BIT(id);
-		ret = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+		ret = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 				     SOC_DTS_OFFSET_ENABLE, out);
 		if (ret)
 			return ret;
@@ -278,7 +278,7 @@ static int soc_dts_enable(int id)
 static void remove_dts_thermal_zone(struct intel_soc_dts_sensor_entry *dts)
 {
 	if (dts) {
-		iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+		iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 			       SOC_DTS_OFFSET_ENABLE, dts->store_status);
 		thermal_zone_device_unregister(dts->tzone);
 	}
@@ -296,9 +296,8 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
 	int i;
 
 	/* Store status to restor on exit */
-	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
-			    SOC_DTS_OFFSET_ENABLE,
-			    &dts->store_status);
+	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
+			    SOC_DTS_OFFSET_ENABLE, &dts->store_status);
 	if (ret)
 		goto err_ret;
 
@@ -311,7 +310,7 @@ static int add_dts_thermal_zone(int id, struct intel_soc_dts_sensor_entry *dts,
 	}
 
 	/* Check if the writable trip we provide is not used by BIOS */
-	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+	ret = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
 			    SOC_DTS_OFFSET_PTPS, &store_ptps);
 	if (ret)
 		trip_mask = 0;
@@ -374,19 +373,19 @@ void intel_soc_dts_iosf_interrupt_handler(struct intel_soc_dts_sensors *sensors)
 
 	spin_lock_irqsave(&sensors->intr_notify_lock, flags);
 
-	status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+	status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
 			       SOC_DTS_OFFSET_PTMC, &ptmc_out);
 	ptmc_out |= SOC_DTS_PTMC_APIC_DEASSERT_BIT;
-	status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+	status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 				SOC_DTS_OFFSET_PTMC, ptmc_out);
 
-	status = iosf_mbi_read(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_READ,
+	status = iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ,
 			       SOC_DTS_OFFSET_PTTSS, &sticky_out);
 	pr_debug("status %d PTTSS %x\n", status, sticky_out);
 	if (sticky_out & SOC_DTS_TRIP_MASK) {
 		int i;
 		/* reset sticky bit */
-		status = iosf_mbi_write(BT_MBI_UNIT_PMC, BT_MBI_BUNIT_WRITE,
+		status = iosf_mbi_write(BT_MBI_UNIT_PMC, MBI_REG_WRITE,
 					SOC_DTS_OFFSET_PTTSS, sticky_out);
 		spin_unlock_irqrestore(&sensors->intr_notify_lock, flags);