From: Eddie James eajames@linux.ibm.com
[ Upstream commit 561d6ef75628db9cce433e573aa3cdb6b3bba903 ]
The sanity check mask for TPM_INT_ENABLE register was off by 8 bits, resulting in failure to probe if the TPM_INT_ENABLE register was a valid value.
Fixes: bbc23a07b072 ("tpm: Add tpm_tis_i2c backend for tpm_tis_core") Signed-off-by: Eddie James eajames@linux.ibm.com Reviewed-by: Jarkko Sakkinen jarkko@kernel.org Tested-by: Joel Stanley joel@jms.id.au Signed-off-by: Jarkko Sakkinen jarkko@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/char/tpm/tpm_tis_i2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/char/tpm/tpm_tis_i2c.c b/drivers/char/tpm/tpm_tis_i2c.c index ba0911b1d1ff..29f0db41c0b7 100644 --- a/drivers/char/tpm/tpm_tis_i2c.c +++ b/drivers/char/tpm/tpm_tis_i2c.c @@ -49,7 +49,7 @@
/* Masks with bits that must be read zero */ #define TPM_ACCESS_READ_ZERO 0x48 -#define TPM_INT_ENABLE_ZERO 0x7FFFFF6 +#define TPM_INT_ENABLE_ZERO 0x7FFFFF60 #define TPM_STS_READ_ZERO 0x23 #define TPM_INTF_CAPABILITY_ZERO 0x0FFFF000 #define TPM_I2C_INTERFACE_CAPABILITY_ZERO 0x80000000