summaryrefslogtreecommitdiffstats
path: root/drivers/char/tpm
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/tpm')
-rw-r--r--drivers/char/tpm/tpm_tis.c15
-rw-r--r--drivers/char/tpm/tpm_tis_core.c2
-rw-r--r--drivers/char/tpm/tpm_tis_core.h1
3 files changed, 0 insertions, 18 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index c847fc6..4b73e28 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -138,9 +138,6 @@ static int tpm_tcg_read_bytes(struct tpm_tis_data *data, u32 addr, u16 len,
{
struct tpm_tis_tcg_phy *phy = to_tpm_tis_tcg_phy(data);
- if (is_bsw() && !(data->flags & TPM_TIS_CLK_ENABLE))
- WARN(1, "CLKRUN not enabled!\n");
-
while (len--)
*result++ = ioread8(phy->iobase + addr);
@@ -152,9 +149,6 @@ static int tpm_tcg_write_bytes(struct tpm_tis_data *data, u32 addr, u16 len,
{
struct tpm_tis_tcg_phy *phy = to_tpm_tis_tcg_phy(data);
- if (is_bsw() && !(data->flags & TPM_TIS_CLK_ENABLE))
- WARN(1, "CLKRUN not enabled!\n");
-
while (len--)
iowrite8(*value++, phy->iobase + addr);
@@ -165,9 +159,6 @@ static int tpm_tcg_read16(struct tpm_tis_data *data, u32 addr, u16 *result)
{
struct tpm_tis_tcg_phy *phy = to_tpm_tis_tcg_phy(data);
- if (is_bsw() && !(data->flags & TPM_TIS_CLK_ENABLE))
- WARN(1, "CLKRUN not enabled!\n");
-
*result = ioread16(phy->iobase + addr);
return 0;
@@ -177,9 +168,6 @@ static int tpm_tcg_read32(struct tpm_tis_data *data, u32 addr, u32 *result)
{
struct tpm_tis_tcg_phy *phy = to_tpm_tis_tcg_phy(data);
- if (is_bsw() && !(data->flags & TPM_TIS_CLK_ENABLE))
- WARN(1, "CLKRUN not enabled!\n");
-
*result = ioread32(phy->iobase + addr);
return 0;
@@ -189,9 +177,6 @@ static int tpm_tcg_write32(struct tpm_tis_data *data, u32 addr, u32 value)
{
struct tpm_tis_tcg_phy *phy = to_tpm_tis_tcg_phy(data);
- if (is_bsw() && !(data->flags & TPM_TIS_CLK_ENABLE))
- WARN(1, "CLKRUN not enabled!\n");
-
iowrite32(value, phy->iobase + addr);
return 0;
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index 3238731..db1430a 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -763,7 +763,6 @@ static void tpm_tis_clkrun_enable(struct tpm_chip *chip, bool value)
return;
if (value) {
- data->flags |= TPM_TIS_CLK_ENABLE;
data->clkrun_enabled++;
if (data->clkrun_enabled > 1)
return;
@@ -794,7 +793,6 @@ static void tpm_tis_clkrun_enable(struct tpm_chip *chip, bool value)
* sure LPC clock is running before sending any TPM command.
*/
outb(0xCC, 0x80);
- data->flags &= ~TPM_TIS_CLK_ENABLE;
}
}
diff --git a/drivers/char/tpm/tpm_tis_core.h b/drivers/char/tpm/tpm_tis_core.h
index afc50cd..d5c6a2e9 100644
--- a/drivers/char/tpm/tpm_tis_core.h
+++ b/drivers/char/tpm/tpm_tis_core.h
@@ -86,7 +86,6 @@ enum tis_defaults {
enum tpm_tis_flags {
TPM_TIS_ITPM_WORKAROUND = BIT(0),
- TPM_TIS_CLK_ENABLE = BIT(1),
};
struct tpm_tis_data {
OpenPOWER on IntegriCloud