Thread (37 messages) 37 messages, 4 authors, 2018-11-27

Re: [PATCH v9 15/17] tpm: introduce tpm_chip_start() and tpm_chip_stop()

From: Stefan Berger <stefanb@linux.ibm.com>
Date: 2018-11-19 14:14:05
Also in: linux-security-module, lkml

+}
+
+/**
+ * tpm_chip_stop() - power off the TPM
+ * @chip:	a TPM chip to use
+ * @flags:	TPM transmit flags
+ *
+ * Return:
+ * * The response length	- OK
+ * * -errno			- A system error
This function returns void!

+ */
+void tpm_chip_stop(struct tpm_chip *chip, unsigned int flags)
+{
+	tpm_go_idle(chip, flags);
+	tpm_relinquish_locality(chip, flags);
+	if (chip->ops->clk_enable)
+		chip->ops->clk_enable(chip, false);
+}
+
  
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