tpm: Cleanup tpm_continue_selftest (d97c6ade) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/char/tpm/tpm.c

+23 −7

Original line number	Diff line number	Diff line
		@@ -611,15 +611,31 @@ duration:
		}
		EXPORT_SYMBOL_GPL(tpm_get_timeouts);

		void tpm_continue_selftest(struct tpm_chip *chip)
		{
		u8 data[] = {
		0, 193, /* TPM_TAG_RQU_COMMAND */
		0, 0, 0, 10, /* length */
		0, 0, 0, 83, /* TPM_ORD_ContinueSelfTest */
		#define TPM_ORD_CONTINUE_SELFTEST 83
		#define CONTINUE_SELFTEST_RESULT_SIZE 10

		static struct tpm_input_header continue_selftest_header = {
		.tag = TPM_TAG_RQU_COMMAND,
		.length = cpu_to_be32(10),
		.ordinal = cpu_to_be32(TPM_ORD_CONTINUE_SELFTEST),
		};

		tpm_transmit(chip, data, sizeof(data));
		/**
		* tpm_continue_selftest -- run TPM's selftest
		* @chip: TPM chip to use
		*
		* Returns 0 on success, < 0 in case of fatal error or a value > 0 representing
		* a TPM error code.
		*/
		int tpm_continue_selftest(struct tpm_chip *chip)
		{
		int rc;
		struct tpm_cmd_t cmd;

		cmd.header.in = continue_selftest_header;
		rc = transmit_cmd(chip, &cmd, CONTINUE_SELFTEST_RESULT_SIZE,
		"continue selftest");
		return rc;
		}
		EXPORT_SYMBOL_GPL(tpm_continue_selftest);

+1 −1

Original line number	Diff line number	Diff line
		@@ -281,7 +281,7 @@ ssize_t tpm_getcap(struct device , __be32, cap_t , const char *);

		extern int tpm_get_timeouts(struct tpm_chip *);
		extern void tpm_gen_interrupt(struct tpm_chip *);
		extern void tpm_continue_selftest(struct tpm_chip *);
		extern int tpm_continue_selftest(struct tpm_chip *);
		extern unsigned long tpm_calc_ordinal_duration(struct tpm_chip *, u32);
		extern struct tpm_chip* tpm_register_hardware(struct device *,
		const struct tpm_vendor_specific *);