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Commit ed4fdb4f authored by Nayna Jain's avatar Nayna Jain Committed by Jarkko Sakkinen
Browse files

tpm: replace of_find_node_by_name() with dev of_node property 



Using the device of_node property is a better way to refer to the
device tree node rather than of_find_node_by_name().

Suggested-by: default avatarJason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: default avatarNayna Jain <nayna@linux.vnet.ibm.com>
Reviewed-by: default avatarJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: default avatarJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
parent 02ae1382

drivers/char/tpm/tpm_of.c

+2 −4
Original line number Diff line number Diff line
@@ -29,7 +29,8 @@ int tpm_read_log_of(struct tpm_chip *chip) 
	struct tpm_bios_log *log;



	log = &chip->log;

	np = of_find_node_by_name(NULL, "vtpm");

	if (chip->dev.parent->of_node)

		np = chip->dev.parent->of_node;

	if (!np) {

		pr_err("%s: ERROR - IBMVTPM not supported\n", __func__);

		return -ENODEV;
@@ -55,18 +56,15 @@ int tpm_read_log_of(struct tpm_chip *chip) 
	if (!log->bios_event_log) {

		pr_err("%s: ERROR - Not enough memory for BIOS measurements\n",

		       __func__);

		of_node_put(np);

		return -ENOMEM;

	}



	log->bios_event_log_end = log->bios_event_log + *sizep;



	memcpy(log->bios_event_log, __va(*basep), *sizep);

	of_node_put(np);



	return 0;



cleanup_eio:

	of_node_put(np);

	return -EIO;

}