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authorChristophe Ricard <christophe.ricard@gmail.com>2016-03-31 22:56:58 +0200
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2016-06-25 16:26:35 +0200
commit56671c893e0e3ee237bc8e229923a9e6555c2fc9 (patch)
tree4691182cc215bbeec44b98e51641627149e9c373 /drivers/char/tpm/tpm_tis.c
parenttpm: drop 'read_queue' from struct tpm_vendor_specific (diff)
downloadlinux-56671c893e0e3ee237bc8e229923a9e6555c2fc9.tar.xz
linux-56671c893e0e3ee237bc8e229923a9e6555c2fc9.zip
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>
Diffstat (limited to 'drivers/char/tpm/tpm_tis.c')
-rw-r--r--drivers/char/tpm/tpm_tis.c71
1 files changed, 35 insertions, 36 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 38240acbfee6..9e2ba1d31469 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/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)