linux-kernel - [PATCH] tpm: remove tpm_read_index and tpm_write

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Date:   Wed, 25 Jan 2017 16:48:58 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     tpmdd-devel@...ts.sourceforge.net
Cc:     linux-security-module@...r.kernel.org,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Peter Huewe <peterhuewe@....de>,
        Marcel Selhorst <tpmdd@...horst.net>,
        Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] tpm: remove tpm_read_index and tpm_write_index from tpm.h

These are non-generic functions and do not belong to tpm.h.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
---
 drivers/char/tpm/tpm.h       | 11 -----------
 drivers/char/tpm/tpm_atmel.h |  6 ++++++
 drivers/char/tpm/tpm_nsc.c   | 12 ++++++++++++
 3 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 7216bd7..244fcff 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -195,17 +195,6 @@ struct tpm_chip {
 
 #define to_tpm_chip(d) container_of(d, struct tpm_chip, dev)
 
-static inline int tpm_read_index(int base, int index)
-{
-	outb(index, base);
-	return inb(base+1) & 0xFF;
-}
-
-static inline void tpm_write_index(int base, int index, int value)
-{
-	outb(index, base);
-	outb(value & 0xFF, base+1);
-}
 struct tpm_input_header {
 	__be16	tag;
 	__be32	length;
diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h
index 4f96d80..5c82eb4 100644
--- a/drivers/char/tpm/tpm_atmel.h
+++ b/drivers/char/tpm/tpm_atmel.h
@@ -96,6 +96,12 @@ enum tpm_atmel_addr {
 	TPM_ATMEL_BASE_ADDR_HI = 0x09
 };
 
+static inline int tpm_read_index(int base, int index)
+{
+	outb(index, base);
+	return inb(base+1) & 0xFF;
+}
+
 /* Verify this is a 1.1 Atmel TPM */
 static int atmel_verify_tpm11(void)
 {
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 9ff0e07..5d6cce7 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -278,6 +278,18 @@ static struct platform_driver nsc_drv = {
 	},
 };
 
+static inline int tpm_read_index(int base, int index)
+{
+	outb(index, base);
+	return inb(base+1) & 0xFF;
+}
+
+static inline void tpm_write_index(int base, int index, int value)
+{
+	outb(index, base);
+	outb(value & 0xFF, base+1);
+}
+
 static int __init init_nsc(void)
 {
 	int rc = 0;
-- 
2.9.3