1 files changed, 0 insertions, 112 deletions
diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c
deleted file mode 100644
index 169edf3ce86d..000000000000
--- a/drivers/char/tpm/tpm_acpi.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (C) 2005 IBM Corporation
- *
- * Authors:
- *	Seiji Munetoh <munetoh@jp.ibm.com>
- *	Stefan Berger <stefanb@us.ibm.com>
- *	Reiner Sailer <sailer@watson.ibm.com>
- *	Kylene Hall <kjhall@us.ibm.com>
- *	Nayna Jain <nayna@linux.vnet.ibm.com>
- *
- * Maintained by: <tpmdd-devel@lists.sourceforge.net>
- *
- * Access to the event log extended by the TCG BIOS of PC platform
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- */
-
-#include <linux/seq_file.h>
-#include <linux/fs.h>
-#include <linux/security.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/acpi.h>
-
-#include "tpm.h"
-#include "tpm_eventlog.h"
-
-struct acpi_tcpa {
-	struct acpi_table_header hdr;
-	u16 platform_class;
-	union {
-		struct client_hdr {
-			u32 log_max_len __packed;
-			u64 log_start_addr __packed;
-		} client;
-		struct server_hdr {
-			u16 reserved;
-			u64 log_max_len __packed;
-			u64 log_start_addr __packed;
-		} server;
-	};
-};
-
-/* read binary bios log */
-int tpm_read_log_acpi(struct tpm_chip *chip)
-{
-	struct acpi_tcpa *buff;
-	acpi_status status;
-	void __iomem *virt;
-	u64 len, start;
-	struct tpm_bios_log *log;
-
-	if (chip->flags & TPM_CHIP_FLAG_TPM2)
-		return -ENODEV;
-
-	log = &chip->log;
-
-	/* Unfortuntely ACPI does not associate the event log with a specific
-	 * TPM, like PPI. Thus all ACPI TPMs will read the same log.
-	 */
-	if (!chip->acpi_dev_handle)
-		return -ENODEV;
-
-	/* Find TCPA entry in RSDT (ACPI_LOGICAL_ADDRESSING) */
-	status = acpi_get_table(ACPI_SIG_TCPA, 1,
-				(struct acpi_table_header **)&buff);
-
-	if (ACPI_FAILURE(status))
-		return -ENODEV;
-
-	switch(buff->platform_class) {
-	case BIOS_SERVER:
-		len = buff->server.log_max_len;
-		start = buff->server.log_start_addr;
-		break;
-	case BIOS_CLIENT:
-	default:
-		len = buff->client.log_max_len;
-		start = buff->client.log_start_addr;
-		break;
-	}
-	if (!len) {
-		dev_warn(&chip->dev, "%s: TCPA log area empty\n", __func__);
-		return -EIO;
-	}
-
-	/* malloc EventLog space */
-	log->bios_event_log = kmalloc(len, GFP_KERNEL);
-	if (!log->bios_event_log)
-		return -ENOMEM;
-
-	log->bios_event_log_end = log->bios_event_log + len;
-
-	virt = acpi_os_map_iomem(start, len);
-	if (!virt)
-		goto err;
-
-	memcpy_fromio(log->bios_event_log, virt, len);
-
-	acpi_os_unmap_iomem(virt, len);
-	return 0;
-
-err:
-	kfree(log->bios_event_log);
-	log->bios_event_log = NULL;
-	return -EIO;
-
-}