linux-kernel - [PATCH v1] tpm: tpm_tis: make implementation of read16, read32 and write32 optional fix

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Date:   Thu, 14 May 2020 19:48:25 +0300
From:   amirmizi6@...il.com
To:     Eyal.Cohen@...oton.com, jarkko.sakkinen@...ux.intel.com,
        oshrialkoby85@...il.com, alexander.steffen@...ineon.com,
        robh+dt@...nel.org,
        "benoit.houyere@...com--to=mark.rutland"@arm.com,
        peterhuewe@....de, christophe-h.richard@...com, jgg@...pe.ca,
        arnd@...db.de, gregkh@...uxfoundation.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-integrity@...r.kernel.org, oshri.alkoby@...oton.com,
        tmaimon77@...il.com, gcwilson@...ibm.com, kgoldman@...ibm.com,
        Dan.Morav@...oton.com, oren.tanami@...oton.com,
        shmulik.hager@...oton.com, amir.mizinski@...oton.com,
        Amir Mizinski <amirmizi6@...il.com>,
        kbuild test robot <lkp@...el.com>
Subject: [PATCH v1] tpm: tpm_tis: make implementation of read16, read32 and write32 optional fix

From: Amir Mizinski <amirmizi6@...il.com>

Removed SPI extern function definitions and unused callback functions for
CR50 driver.

Fixes: fa05dc792ea0 ("tpm: tpm_tis: make implementation of read16, read32 and write32 optional")
Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Amir Mizinski <amirmizi6@...il.com>
---
 drivers/char/tpm/tpm_tis_spi.h      | 4 ----
 drivers/char/tpm/tpm_tis_spi_cr50.c | 3 ---
 2 files changed, 7 deletions(-)

diff --git a/drivers/char/tpm/tpm_tis_spi.h b/drivers/char/tpm/tpm_tis_spi.h
index bba7397..d0f66f6 100644
--- a/drivers/char/tpm/tpm_tis_spi.h
+++ b/drivers/char/tpm/tpm_tis_spi.h
@@ -31,10 +31,6 @@ extern int tpm_tis_spi_init(struct spi_device *spi, struct tpm_tis_spi_phy *phy,
 extern int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len,
 				u8 *in, const u8 *out);
 
-extern int tpm_tis_spi_read16(struct tpm_tis_data *data, u32 addr, u16 *result);
-extern int tpm_tis_spi_read32(struct tpm_tis_data *data, u32 addr, u32 *result);
-extern int tpm_tis_spi_write32(struct tpm_tis_data *data, u32 addr, u32 value);
-
 #ifdef CONFIG_TCG_TIS_SPI_CR50
 extern int cr50_spi_probe(struct spi_device *spi);
 #else
diff --git a/drivers/char/tpm/tpm_tis_spi_cr50.c b/drivers/char/tpm/tpm_tis_spi_cr50.c
index 37d72e8..f339d20 100644
--- a/drivers/char/tpm/tpm_tis_spi_cr50.c
+++ b/drivers/char/tpm/tpm_tis_spi_cr50.c
@@ -215,9 +215,6 @@ static int tpm_tis_spi_cr50_write_bytes(struct tpm_tis_data *data, u32 addr,
 static const struct tpm_tis_phy_ops tpm_spi_cr50_phy_ops = {
 	.read_bytes = tpm_tis_spi_cr50_read_bytes,
 	.write_bytes = tpm_tis_spi_cr50_write_bytes,
-	.read16 = tpm_tis_spi_read16,
-	.read32 = tpm_tis_spi_read32,
-	.write32 = tpm_tis_spi_write32,
 };
 
 static void cr50_print_fw_version(struct tpm_tis_data *data)
-- 
2.7.4