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tpm: Use livetree and allow children

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Adjust the TPM drivers to use livetree (only one does not). Also,
sometimes TPMs can have child devices if they provide a service to the
system (such as storing secure data), so permit that.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2018-10-01 12:22:27 -06:00
parent c6ebd011bb
commit c89d32a7b1
2 changed files with 4 additions and 1 deletions
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3
drivers/tpm/tpm-uclass.c
View file

@ -129,5 +129,8 @@ UCLASS_DRIVER(tpm) = {
.id = UCLASS_TPM,
.name = "tpm",
.flags = DM_UC_FLAG_SEQ_ALIAS,
#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
.post_bind = dm_scan_fdt_dev,
#endif
.per_device_auto_alloc_size = sizeof(struct tpm_chip_priv),
};

2
drivers/tpm/tpm_tis_lpc.c
View file

@ -164,7 +164,7 @@ static int tpm_tis_lpc_probe(struct udevice *dev)
u32 didvid;
ulong chip_type = dev_get_driver_data(dev);
addr = devfdt_get_addr(dev);
addr = dev_read_addr(dev);
if (addr == FDT_ADDR_T_NONE)
return -EINVAL;
priv->regs = map_sysmem(addr, 0);