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tpm: Remove useless priv field in struct tpm_vendor_specific

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Remove useless priv field in struct tpm_vendor_specific and take benefit
of chip->dev.driver_data.  As priv is the latest field available in
struct tpm_vendor_specific, remove any reference to that structure.

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>
This commit is contained in:
Christophe Ricard
2016-03-31 22:57:00 +02:00
committed by Jarkko Sakkinen
parent af782f339a
commit 9e0d39d8a6
13 changed files with 131 additions and 165 deletions
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47
drivers/char/tpm/tpm_tis.c
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@@ -132,7 +132,7 @@ static inline int is_itpm(struct acpi_device *dev)
* correct values in the other bits.' */
static int wait_startup(struct tpm_chip *chip, int l)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
unsigned long stop = jiffies + chip->timeout_a;
do {
if (ioread8(priv->iobase + TPM_ACCESS(l)) &
@@ -145,7 +145,7 @@ static int wait_startup(struct tpm_chip *chip, int l)
static int check_locality(struct tpm_chip *chip, int l)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
if ((ioread8(priv->iobase + TPM_ACCESS(l)) &
(TPM_ACCESS_ACTIVE_LOCALITY | TPM_ACCESS_VALID)) ==
@@ -157,7 +157,7 @@ static int check_locality(struct tpm_chip *chip, int l)
static void release_locality(struct tpm_chip *chip, int l, int force)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
if (force || (ioread8(priv->iobase + TPM_ACCESS(l)) &
(TPM_ACCESS_REQUEST_PENDING | TPM_ACCESS_VALID)) ==
@@ -168,7 +168,7 @@ static void release_locality(struct tpm_chip *chip, int l, int force)
static int request_locality(struct tpm_chip *chip, int l)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
unsigned long stop, timeout;
long rc;
@@ -209,7 +209,7 @@ again:
static u8 tpm_tis_status(struct tpm_chip *chip)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
return ioread8(priv->iobase +
TPM_STS(priv->locality));
@@ -217,7 +217,7 @@ static u8 tpm_tis_status(struct tpm_chip *chip)
static void tpm_tis_ready(struct tpm_chip *chip)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
/* this causes the current command to be aborted */
iowrite8(TPM_STS_COMMAND_READY,
@@ -226,7 +226,7 @@ static void tpm_tis_ready(struct tpm_chip *chip)
static int get_burstcount(struct tpm_chip *chip)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
unsigned long stop;
int burstcnt;
@@ -248,7 +248,7 @@ static int get_burstcount(struct tpm_chip *chip)
static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
int size = 0, burstcnt;
while (size < count &&
wait_for_tpm_stat(chip,
@@ -266,7 +266,7 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
static int tpm_tis_recv(struct tpm_chip *chip, u8 *buf, size_t count)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
int size = 0;
int expected, status;
@@ -322,7 +322,7 @@ MODULE_PARM_DESC(itpm, "Force iTPM workarounds (found on some Lenovo laptops)");
*/
static int tpm_tis_send_data(struct tpm_chip *chip, u8 *buf, size_t len)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
int rc, status, burstcnt;
size_t count = 0;
@@ -378,7 +378,7 @@ out_err:
static void disable_interrupts(struct tpm_chip *chip)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
u32 intmask;
intmask =
@@ -399,7 +399,7 @@ static void disable_interrupts(struct tpm_chip *chip)
*/
static int tpm_tis_send_main(struct tpm_chip *chip, u8 *buf, size_t len)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
int rc;
u32 ordinal;
unsigned long dur;
@@ -437,7 +437,7 @@ out_err:
static int tpm_tis_send(struct tpm_chip *chip, u8 *buf, size_t len)
{
int rc, irq;
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
if (!(chip->flags & TPM_CHIP_FLAG_IRQ) || priv->irq_tested)
return tpm_tis_send_main(chip, buf, len);
@@ -471,7 +471,7 @@ static const struct tis_vendor_timeout_override vendor_timeout_overrides[] = {
static bool tpm_tis_update_timeouts(struct tpm_chip *chip,
unsigned long *timeout_cap)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
int i;
u32 did_vid;
@@ -495,7 +495,7 @@ static bool tpm_tis_update_timeouts(struct tpm_chip *chip,
*/
static int probe_itpm(struct tpm_chip *chip)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
int rc = 0;
u8 cmd_getticks[] = {
0x00, 0xc1, 0x00, 0x00, 0x00, 0x0a,
@@ -537,7 +537,7 @@ out:
static bool tpm_tis_req_canceled(struct tpm_chip *chip, u8 status)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
switch (priv->manufacturer_id) {
case TPM_VID_WINBOND:
@@ -564,7 +564,7 @@ static const struct tpm_class_ops tpm_tis = {
static irqreturn_t tis_int_handler(int dummy, void *dev_id)
{
struct tpm_chip *chip = dev_id;
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
u32 interrupt;
int i;
@@ -574,7 +574,7 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id)
if (interrupt == 0)
return IRQ_NONE;
((struct priv_data *)chip->vendor.priv)->irq_tested = true;
priv->irq_tested = true;
if (interrupt & TPM_INTF_DATA_AVAIL_INT)
wake_up_interruptible(&priv->read_queue);
if (interrupt & TPM_INTF_LOCALITY_CHANGE_INT)
@@ -601,7 +601,7 @@ static irqreturn_t tis_int_handler(int dummy, void *dev_id)
static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask,
int flags, int irq)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
u8 original_int_vec;
if (devm_request_irq(&chip->dev, irq, tis_int_handler, flags,
@@ -654,7 +654,7 @@ static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask,
*/
static void tpm_tis_probe_irq(struct tpm_chip *chip, u32 intmask)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
u8 original_int_vec;
int i;
@@ -678,7 +678,7 @@ MODULE_PARM_DESC(interrupts, "Enable interrupts");
static void tpm_tis_remove(struct tpm_chip *chip)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
void __iomem *reg = priv->iobase + TPM_INT_ENABLE(priv->locality);
iowrite32(~TPM_GLOBAL_INT_ENABLE & ioread32(reg), reg);
@@ -701,7 +701,6 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info,
if (IS_ERR(chip))
return PTR_ERR(chip);
chip->vendor.priv = priv;
#ifdef CONFIG_ACPI
chip->acpi_dev_handle = acpi_dev_handle;
#endif
@@ -716,6 +715,8 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info,
chip->timeout_c = TIS_TIMEOUT_C_MAX;
chip->timeout_d = TIS_TIMEOUT_D_MAX;
dev_set_drvdata(&chip->dev, priv);
if (wait_startup(chip, 0) != 0) {
rc = -ENODEV;
goto out_err;
@@ -840,7 +841,7 @@ out_err:
#ifdef CONFIG_PM_SLEEP
static void tpm_tis_reenable_interrupts(struct tpm_chip *chip)
{
struct priv_data *priv = chip->vendor.priv;
struct priv_data *priv = dev_get_drvdata(&chip->dev);
u32 intmask;
/* reenable interrupts that device may have lost or