tpm: drop 'locality' from struct tpm_vendor_specific

Dropped the field 'locality' from struct tpm_vendor_specific migrated it to
the private structures of st33zp24, tpm_i2c_infineon and tpm_tis.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

drivers/char/tpm/st33zp24/st33zp24.c

@@ -136,7 +136,7 @@ static int check_locality(struct tpm_chip *chip)
 	if (status && (data &
 		(TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID)) ==
 		(TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID))
-		return chip->vendor.locality;
+		return tpm_dev->locality;
 
 	return -EACCES;
 } /* check_locality() */
@@ -153,11 +153,11 @@ static int request_locality(struct tpm_chip *chip)
 	struct st33zp24_dev *tpm_dev;
 	u8 data;
 
-	if (check_locality(chip) == chip->vendor.locality)
-		return chip->vendor.locality;
-
 	tpm_dev = (struct st33zp24_dev *)TPM_VPRIV(chip);
 
+	if (check_locality(chip) == tpm_dev->locality)
+		return tpm_dev->locality;
+
 	data = TPM_ACCESS_REQUEST_USE;
 	ret = tpm_dev->ops->send(tpm_dev->phy_id, TPM_ACCESS, &data, 1);
 	if (ret < 0)
@@ -168,7 +168,7 @@ static int request_locality(struct tpm_chip *chip)
 	/* Request locality is usually effective after the request */
 	do {
 		if (check_locality(chip) >= 0)
-			return chip->vendor.locality;
+			return tpm_dev->locality;
 		msleep(TPM_TIMEOUT);
 	} while (time_before(jiffies, stop));
 
@@ -566,7 +566,7 @@ int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops,
 	chip->vendor.timeout_c = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
 	chip->vendor.timeout_d = msecs_to_jiffies(TIS_SHORT_TIMEOUT);
 
-	chip->vendor.locality = LOCALITY0;
+	tpm_dev->locality = LOCALITY0;
 
 	if (irq) {
 		/* INTERRUPT Setup */

drivers/char/tpm/st33zp24/st33zp24.h

@@ -25,6 +25,7 @@ struct st33zp24_dev {
 	struct tpm_chip *chip;
 	void *phy_id;
 	const struct st33zp24_phy_ops *ops;
+	int locality;
 	int irq;
 	u32 intrs;
 	int io_lpcpd;

drivers/char/tpm/tpm.h

@@ -131,7 +131,6 @@ enum tpm2_startup_types {
 struct tpm_chip;
 
 struct tpm_vendor_specific {
-	int locality;
 	unsigned long timeout_a, timeout_b, timeout_c, timeout_d; /* jiffies */
 	bool timeout_adjusted;
 	unsigned long duration[3]; /* jiffies */

drivers/char/tpm/tpm_i2c_infineon.c

@@ -66,6 +66,7 @@ enum i2c_chip_type {
 /* Structure to store I2C TPM specific stuff */
 struct tpm_inf_dev {
 	struct i2c_client *client;
+	int locality;
 	u8 buf[TPM_BUFSIZE + sizeof(u8)]; /* max. buffer size + addr */
 	struct tpm_chip *chip;
 	enum i2c_chip_type chip_type;
@@ -288,7 +289,7 @@ static int check_locality(struct tpm_chip *chip, int loc)
 
 	if ((buf & (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID)) ==
 	    (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID)) {
-		chip->vendor.locality = loc;
+		tpm_dev.locality = loc;
 		return loc;
 	}
 
@@ -337,7 +338,7 @@ static u8 tpm_tis_i2c_status(struct tpm_chip *chip)
 	u8 i = 0;
 
 	do {
-		if (iic_tpm_read(TPM_STS(chip->vendor.locality), &buf, 1) < 0)
+		if (iic_tpm_read(TPM_STS(tpm_dev.locality), &buf, 1) < 0)
 			return 0;
 
 		i++;
@@ -351,7 +352,7 @@ static void tpm_tis_i2c_ready(struct tpm_chip *chip)
 {
 	/* this causes the current command to be aborted */
 	u8 buf = TPM_STS_COMMAND_READY;
-	iic_tpm_write_long(TPM_STS(chip->vendor.locality), &buf, 1);
+	iic_tpm_write_long(TPM_STS(tpm_dev.locality), &buf, 1);
 }
 
 static ssize_t get_burstcount(struct tpm_chip *chip)
@@ -365,7 +366,7 @@ static ssize_t get_burstcount(struct tpm_chip *chip)
 	stop = jiffies + chip->vendor.timeout_d;
 	do {
 		/* Note: STS is little endian */
-		if (iic_tpm_read(TPM_STS(chip->vendor.locality)+1, buf, 3) < 0)
+		if (iic_tpm_read(TPM_STS(tpm_dev.locality)+1, buf, 3) < 0)
 			burstcnt = 0;
 		else
 			burstcnt = (buf[2] << 16) + (buf[1] << 8) + buf[0];
@@ -419,7 +420,7 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
 		if (burstcnt > (count - size))
 			burstcnt = count - size;
 
-		rc = iic_tpm_read(TPM_DATA_FIFO(chip->vendor.locality),
+		rc = iic_tpm_read(TPM_DATA_FIFO(tpm_dev.locality),
 				  &(buf[size]), burstcnt);
 		if (rc == 0)
 			size += burstcnt;
@@ -477,7 +478,7 @@ out:
 	 * so we sleep rather than keeping the bus busy
 	 */
 	usleep_range(SLEEP_DURATION_RESET_LOW, SLEEP_DURATION_RESET_HI);
-	release_locality(chip, chip->vendor.locality, 0);
+	release_locality(chip, tpm_dev.locality, 0);
 	return size;
 }
 
@@ -516,7 +517,7 @@ static int tpm_tis_i2c_send(struct tpm_chip *chip, u8 *buf, size_t len)
 		if (burstcnt > (len - 1 - count))
 			burstcnt = len - 1 - count;
 
-		rc = iic_tpm_write(TPM_DATA_FIFO(chip->vendor.locality),
+		rc = iic_tpm_write(TPM_DATA_FIFO(tpm_dev.locality),
 				   &(buf[count]), burstcnt);
 		if (rc == 0)
 			count += burstcnt;
@@ -539,7 +540,7 @@ static int tpm_tis_i2c_send(struct tpm_chip *chip, u8 *buf, size_t len)
 	}
 
 	/* write last byte */
-	iic_tpm_write(TPM_DATA_FIFO(chip->vendor.locality), &(buf[count]), 1);
+	iic_tpm_write(TPM_DATA_FIFO(tpm_dev.locality), &(buf[count]), 1);
 	wait_for_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c, &status);
 	if ((status & TPM_STS_DATA_EXPECT) != 0) {
 		rc = -EIO;
@@ -547,7 +548,7 @@ static int tpm_tis_i2c_send(struct tpm_chip *chip, u8 *buf, size_t len)
 	}
 
 	/* go and do it */
-	iic_tpm_write(TPM_STS(chip->vendor.locality), &sts, 1);
+	iic_tpm_write(TPM_STS(tpm_dev.locality), &sts, 1);
 
 	return len;
 out_err:
@@ -556,7 +557,7 @@ out_err:
 	 * so we sleep rather than keeping the bus busy
 	 */
 	usleep_range(SLEEP_DURATION_RESET_LOW, SLEEP_DURATION_RESET_HI);
-	release_locality(chip, chip->vendor.locality, 0);
+	release_locality(chip, tpm_dev.locality, 0);
 	return rc;
 }
 
@@ -623,7 +624,7 @@ static int tpm_tis_i2c_init(struct device *dev)
 
 	return tpm_chip_register(chip);
 out_release:
-	release_locality(chip, chip->vendor.locality, 1);
+	release_locality(chip, tpm_dev.locality, 1);
 	tpm_dev.client = NULL;
 out_err:
 	return rc;
@@ -695,7 +696,7 @@ static int tpm_tis_i2c_remove(struct i2c_client *client)
 	struct tpm_chip *chip = tpm_dev.chip;
 
 	tpm_chip_unregister(chip);
-	release_locality(chip, chip->vendor.locality, 1);
+	release_locality(chip, tpm_dev.locality, 1);
 	tpm_dev.client = NULL;
 
 	return 0;

drivers/char/tpm/tpm_tis.c

@@ -96,6 +96,7 @@ struct tpm_info {
 struct priv_data {
 	void __iomem *iobase;
 	u16 manufacturer_id;
+	int locality;
 	int irq;
 	bool irq_tested;
 	wait_queue_head_t int_queue;
@@ -149,7 +150,7 @@ static int check_locality(struct tpm_chip *chip, int l)
 	if ((ioread8(priv->iobase + TPM_ACCESS(l)) &
 	     (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID)) ==
 	    (TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID))
-		return chip->vendor.locality = l;
+		return priv->locality = l;
 
 	return -1;
 }
@@ -211,7 +212,7 @@ static u8 tpm_tis_status(struct tpm_chip *chip)
 	struct priv_data *priv = chip->vendor.priv;
 
 	return ioread8(priv->iobase +
-		       TPM_STS(chip->vendor.locality));
+		       TPM_STS(priv->locality));
 }
 
 static void tpm_tis_ready(struct tpm_chip *chip)
@@ -220,7 +221,7 @@ static void tpm_tis_ready(struct tpm_chip *chip)
 
 	/* this causes the current command to be aborted */
 	iowrite8(TPM_STS_COMMAND_READY,
-		 priv->iobase + TPM_STS(chip->vendor.locality));
+		 priv->iobase + TPM_STS(priv->locality));
 }
 
 static int get_burstcount(struct tpm_chip *chip)
@@ -234,9 +235,9 @@ static int get_burstcount(struct tpm_chip *chip)
 	stop = jiffies + chip->vendor.timeout_d;
 	do {
 		burstcnt = ioread8(priv->iobase +
-				   TPM_STS(chip->vendor.locality) + 1);
+				   TPM_STS(priv->locality) + 1);
 		burstcnt += ioread8(priv->iobase +
-				    TPM_STS(chip->vendor.locality) +
+				    TPM_STS(priv->locality) +
 				    2) << 8;
 		if (burstcnt)
 			return burstcnt;
@@ -258,8 +259,7 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
 		burstcnt = get_burstcount(chip);
 		for (; burstcnt > 0 && size < count; burstcnt--)
 			buf[size++] = ioread8(priv->iobase +
-					      TPM_DATA_FIFO(chip->vendor.
-							    locality));
+					      TPM_DATA_FIFO(priv->locality));
 	}
 	return size;
 }
@@ -307,7 +307,7 @@ static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 
 out:
 	tpm_tis_ready(chip);
-	release_locality(chip, chip->vendor.locality, 0);
+	release_locality(chip, priv->locality, 0);
 	return size;
 }
 
@@ -344,7 +344,7 @@ static int tpm_tis_send_data(struct tpm_chip *chip, u8 *buf, size_t len)
 		burstcnt = get_burstcount(chip);
 		for (; burstcnt > 0 && count < len - 1; burstcnt--) {
 			iowrite8(buf[count], priv->iobase +
-				 TPM_DATA_FIFO(chip->vendor.locality));
+				 TPM_DATA_FIFO(priv->locality));
 			count++;
 		}
 
@@ -359,7 +359,7 @@ static int tpm_tis_send_data(struct tpm_chip *chip, u8 *buf, size_t len)
 
 	/* write last byte */
 	iowrite8(buf[count],
-		 priv->iobase + TPM_DATA_FIFO(chip->vendor.locality));
+		 priv->iobase + TPM_DATA_FIFO(priv->locality));
 	wait_for_tpm_stat(chip, TPM_STS_VALID, chip->vendor.timeout_c,
 			  &priv->int_queue, false);
 	status = tpm_tis_status(chip);
@@ -372,7 +372,7 @@ static int tpm_tis_send_data(struct tpm_chip *chip, u8 *buf, size_t len)
 
 out_err:
 	tpm_tis_ready(chip);
-	release_locality(chip, chip->vendor.locality, 0);
+	release_locality(chip, priv->locality, 0);
 	return rc;
 }
 
@@ -383,10 +383,10 @@ static void disable_interrupts(struct tpm_chip *chip)
 
 	intmask =
 	    ioread32(priv->iobase +
-		     TPM_INT_ENABLE(chip->vendor.locality));
+		     TPM_INT_ENABLE(priv->locality));
 	intmask &= ~TPM_GLOBAL_INT_ENABLE;
 	iowrite32(intmask,
-		  priv->iobase + TPM_INT_ENABLE(chip->vendor.locality));
+		  priv->iobase + TPM_INT_ENABLE(priv->locality));
 	devm_free_irq(&chip->dev, priv->irq, chip);
 	priv->irq = 0;
 	chip->flags &= ~TPM_CHIP_FLAG_IRQ;
@@ -410,7 +410,7 @@ static int tpm_tis_send_main(struct tpm_chip *chip, u8 *buf, size_t len)
 
 	/* go and do it */
 	iowrite8(TPM_STS_GO,
-		 priv->iobase + TPM_STS(chip->vendor.locality));
+		 priv->iobase + TPM_STS(priv->locality));
 
 	if (chip->flags & TPM_CHIP_FLAG_IRQ) {
 		ordinal = be32_to_cpu(*((__be32 *) (buf + 6)));
@@ -430,7 +430,7 @@ static int tpm_tis_send_main(struct tpm_chip *chip, u8 *buf, size_t len)
 	return len;
 out_err:
 	tpm_tis_ready(chip);
-	release_locality(chip, chip->vendor.locality, 0);
+	release_locality(chip, priv->locality, 0);
 	return rc;
 }
 
@@ -516,7 +516,7 @@ static int probe_itpm(struct tpm_chip *chip)
 		goto out;
 
 	tpm_tis_ready(chip);
-	release_locality(chip, chip->vendor.locality, 0);
+	release_locality(chip, priv->locality, 0);
 
 	itpm = true;
 
@@ -530,7 +530,7 @@ static int probe_itpm(struct tpm_chip *chip)
 out:
 	itpm = rem_itpm;
 	tpm_tis_ready(chip);
-	release_locality(chip, chip->vendor.locality, 0);
+	release_locality(chip, priv->locality, 0);
 
 	return rc;
 }
@@ -569,7 +569,7 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id)
 	int i;
 
 	interrupt = ioread32(priv->iobase +
-			     TPM_INT_STATUS(chip->vendor.locality));
+			     TPM_INT_STATUS(priv->locality));
 
 	if (interrupt == 0)
 		return IRQ_NONE;
@@ -589,8 +589,8 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id)
 	/* Clear interrupts handled with TPM_EOI */
 	iowrite32(interrupt,
 		  priv->iobase +
-		  TPM_INT_STATUS(chip->vendor.locality));
-	ioread32(priv->iobase + TPM_INT_STATUS(chip->vendor.locality));
+		  TPM_INT_STATUS(priv->locality));
+	ioread32(priv->iobase + TPM_INT_STATUS(priv->locality));
 	return IRQ_HANDLED;
 }
 
@@ -613,18 +613,18 @@ static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask,
 	priv->irq = irq;
 
 	original_int_vec = ioread8(priv->iobase +
-				   TPM_INT_VECTOR(chip->vendor.locality));
+				   TPM_INT_VECTOR(priv->locality));
 	iowrite8(irq,
-		 priv->iobase + TPM_INT_VECTOR(chip->vendor.locality));
+		 priv->iobase + TPM_INT_VECTOR(priv->locality));
 
 	/* Clear all existing */
 	iowrite32(ioread32(priv->iobase +
-			   TPM_INT_STATUS(chip->vendor.locality)),
-		  priv->iobase + TPM_INT_STATUS(chip->vendor.locality));
+			   TPM_INT_STATUS(priv->locality)),
+		  priv->iobase + TPM_INT_STATUS(priv->locality));
 
 	/* Turn on */
 	iowrite32(intmask | TPM_GLOBAL_INT_ENABLE,
-		  priv->iobase + TPM_INT_ENABLE(chip->vendor.locality));
+		  priv->iobase + TPM_INT_ENABLE(priv->locality));
 
 	priv->irq_tested = false;
 
@@ -641,7 +641,7 @@ static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask,
 	 */
 	if (!(chip->flags & TPM_CHIP_FLAG_IRQ)) {
 		iowrite8(original_int_vec,
-			 priv->iobase + TPM_INT_VECTOR(chip->vendor.locality));
+			 priv->iobase + TPM_INT_VECTOR(priv->locality));
 		return 1;
 	}
 
@@ -659,7 +659,7 @@ static void tpm_tis_probe_irq(struct tpm_chip *chip, u32 intmask)
 	int i;
 
 	original_int_vec = ioread8(priv->iobase +
-				   TPM_INT_VECTOR(chip->vendor.locality));
+				   TPM_INT_VECTOR(priv->locality));
 
 	if (!original_int_vec) {
 		if (IS_ENABLED(CONFIG_X86))
@@ -679,11 +679,10 @@ MODULE_PARM_DESC(interrupts, "Enable interrupts");
 static void tpm_tis_remove(struct tpm_chip *chip)
 {
 	struct priv_data *priv = chip->vendor.priv;
-	void __iomem *reg = priv->iobase +
-		TPM_INT_ENABLE(chip->vendor.locality);
+	void __iomem *reg = priv->iobase + TPM_INT_ENABLE(priv->locality);
 
 	iowrite32(~TPM_GLOBAL_INT_ENABLE & ioread32(reg), reg);
-	release_locality(chip, chip->vendor.locality, 1);
+	release_locality(chip, priv->locality, 1);
 }
 
 static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info,
@@ -724,12 +723,12 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info,
 
 	/* Take control of the TPM's interrupt hardware and shut it off */
 	intmask = ioread32(priv->iobase +
-			   TPM_INT_ENABLE(chip->vendor.locality));
+			   TPM_INT_ENABLE(priv->locality));
 	intmask |= TPM_INTF_CMD_READY_INT | TPM_INTF_LOCALITY_CHANGE_INT |
 		   TPM_INTF_DATA_AVAIL_INT | TPM_INTF_STS_VALID_INT;
 	intmask &= ~TPM_GLOBAL_INT_ENABLE;
 	iowrite32(intmask,
-		  priv->iobase + TPM_INT_ENABLE(chip->vendor.locality));
+		  priv->iobase + TPM_INT_ENABLE(priv->locality));
 
 	if (request_locality(chip, 0) != 0) {
 		rc = -ENODEV;
@@ -763,7 +762,7 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info,
 	/* Figure out the capabilities */
 	intfcaps =
 	    ioread32(priv->iobase +
-		     TPM_INTF_CAPS(chip->vendor.locality));
+		     TPM_INTF_CAPS(priv->locality));
 	dev_dbg(dev, "TPM interface capabilities (0x%x):\n",
 		intfcaps);
 	if (intfcaps & TPM_INTF_BURST_COUNT_STATIC)
@@ -847,17 +846,17 @@ static void tpm_tis_reenable_interrupts(struct tpm_chip *chip)
 	/* reenable interrupts that device may have lost or
 	   BIOS/firmware may have disabled */
 	iowrite8(priv->irq, priv->iobase +
-		 TPM_INT_VECTOR(chip->vendor.locality));
+		 TPM_INT_VECTOR(priv->locality));
 
 	intmask =
-	    ioread32(priv->iobase + TPM_INT_ENABLE(chip->vendor.locality));
+	    ioread32(priv->iobase + TPM_INT_ENABLE(priv->locality));
 
 	intmask |= TPM_INTF_CMD_READY_INT
 	    | TPM_INTF_LOCALITY_CHANGE_INT | TPM_INTF_DATA_AVAIL_INT
 	    | TPM_INTF_STS_VALID_INT | TPM_GLOBAL_INT_ENABLE;
 
 	iowrite32(intmask,
-		  priv->iobase + TPM_INT_ENABLE(chip->vendor.locality));
+		  priv->iobase + TPM_INT_ENABLE(priv->locality));
 }
 
 static int tpm_tis_resume(struct device *dev)