tpm: drop 'iobase' from struct tpm_vendor_specific

Dropped the field 'iobase' from struct tpm_vendor_specific and migrated
it to the private structures of tpm_atmel and tpm_tis.

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

1 files changed, 17 insertions, 11 deletions

diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c
index 68d5c0991c51..b76929961281 100644
--- a/drivers/char/tpm/tpm_atmel.c
+++ b/drivers/char/tpm/tpm_atmel.c
@@ -37,6 +37,7 @@ enum tpm_atmel_read_status {
 
 static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 {
+	struct tpm_atmel_priv *priv = chip->vendor.priv;
 	u8 status, *hdr = buf;
 	u32 size;
 	int i;
@@ -47,12 +48,12 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 		return -EIO;
 
 	for (i = 0; i < 6; i++) {
-		status = ioread8(chip->vendor.iobase + 1);
+		status = ioread8(priv->iobase + 1);
 		if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
 			dev_err(&chip->dev, "error reading header\n");
 			return -EIO;
 		}
-		*buf++ = ioread8(chip->vendor.iobase);
+		*buf++ = ioread8(priv->iobase);
 	}
 
 	/* size of the data received */
@@ -63,7 +64,7 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 		dev_err(&chip->dev,
 			"Recv size(%d) less than available space\n", size);
 		for (; i < size; i++) {	/* clear the waiting data anyway */
-			status = ioread8(chip->vendor.iobase + 1);
+			status = ioread8(priv->iobase + 1);
 			if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
 				dev_err(&chip->dev, "error reading data\n");
 				return -EIO;
@@ -74,16 +75,16 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 
 	/* read all the data available */
 	for (; i < size; i++) {
-		status = ioread8(chip->vendor.iobase + 1);
+		status = ioread8(priv->iobase + 1);
 		if ((status & ATML_STATUS_DATA_AVAIL) == 0) {
 			dev_err(&chip->dev, "error reading data\n");
 			return -EIO;
 		}
-		*buf++ = ioread8(chip->vendor.iobase);
+		*buf++ = ioread8(priv->iobase);
 	}
 
 	/* make sure data available is gone */
-	status = ioread8(chip->vendor.iobase + 1);
+	status = ioread8(priv->iobase + 1);
 
 	if (status & ATML_STATUS_DATA_AVAIL) {
 		dev_err(&chip->dev, "data available is stuck\n");
@@ -95,12 +96,13 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count)
 
 static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count)
 {
+	struct tpm_atmel_priv *priv = chip->vendor.priv;
 	int i;
 
 	dev_dbg(&chip->dev, "tpm_atml_send:\n");
 	for (i = 0; i < count; i++) {
 		dev_dbg(&chip->dev, "%d 0x%x(%d)\n",  i, buf[i], buf[i]);
- 		iowrite8(buf[i], chip->vendor.iobase);
+		iowrite8(buf[i], priv->iobase);
 	}
 
 	return count;
@@ -108,12 +110,16 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count)
 
 static void tpm_atml_cancel(struct tpm_chip *chip)
 {
-	iowrite8(ATML_STATUS_ABORT, chip->vendor.iobase + 1);
+	struct tpm_atmel_priv *priv = chip->vendor.priv;
+
+	iowrite8(ATML_STATUS_ABORT, priv->iobase + 1);
 }
 
 static u8 tpm_atml_status(struct tpm_chip *chip)
 {
-	return ioread8(chip->vendor.iobase + 1);
+	struct tpm_atmel_priv *priv = chip->vendor.priv;
+
+	return ioread8(priv->iobase + 1);
 }
 
 static bool tpm_atml_req_canceled(struct tpm_chip *chip, u8 status)
@@ -142,7 +148,7 @@ static void atml_plat_remove(void)
 		tpm_chip_unregister(chip);
 		if (priv->have_region)
 			atmel_release_region(priv->base, priv->region_size);
-		atmel_put_base_addr(chip->vendor.iobase);
+		atmel_put_base_addr(priv->iobase);
 		platform_device_unregister(pdev);
 	}
 }
@@ -190,6 +196,7 @@ static int __init init_atmel(void)
 		goto err_unreg_dev;
 	}
 
+	priv->iobase = iobase;
 	priv->base = base;
 	priv->have_region = have_region;
 	priv->region_size = region_size;
@@ -200,7 +207,6 @@ static int __init init_atmel(void)
 		goto err_unreg_dev;
 	}
 
-	chip->vendor.iobase = iobase;
 	chip->vendor.priv = priv;
 
 	rc = tpm_chip_register(chip);