Hi
We are using imx8mp SOC with imx-android-14.0.0_2.2.0.
We are upgrading from Android 13 to Android 14.
was able to add the TPM driver using GKI -imx8mp_gki.fragment and Shareboardconfig.mk to the BSP.
We observer protected symbol for the TPM driver.Share you input for resolving this in Android 14; same Hardware setup work fine for Android 13 BSP.
# dmesg | grep tpm
[ 12.845674] tpm: Protected symbol: compat_only_sysfs_link_entry_to_kobj (err -13)
[ 12.854206] tpm: Protected symbol: hash_digest_size (err -13)
[ 12.860854] tpm: Protected symbol: securityfs_create_dir (err -13)
[ 12.867862] tpm: Protected symbol: securityfs_create_file (err -13)
[ 12.874967] tpm: Protected symbol: securityfs_remove (err -13)
[ 12.881627] tpm: Protected symbol: efi_tpm_final_log_size (err -13)
[ 12.891035] tpm: Protected symbol: compat_only_sysfs_link_entry_to_kobj (err -13)
[ 12.899530] tpm: Protected symbol: hash_digest_size (err -13)
[ 12.906097] tpm: Protected symbol: securityfs_create_dir (err -13)
[ 12.913088] tpm: Protected symbol: securityfs_create_file (err -13)
[ 12.920129] tpm: Protected symbol: securityfs_remove (err -13)
Please share steps for resolving Protected symbol in Android 14
#Android #imx8mp
