summaryrefslogtreecommitdiff
path: root/drivers/char/tpm
diff options
context:
space:
mode:
authorJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2017-09-13 20:17:25 +0300
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2017-10-18 18:28:48 +0300
commit1a7a9b26c69d92582de53061b3a18740043bef29 (patch)
treec0050e85a1ea79248b997c30c494572503f904a0 /drivers/char/tpm
parent4557d4bedc9c4c51201a8e802a6671ed8dfc0f41 (diff)
downloadlinux-1a7a9b26c69d92582de53061b3a18740043bef29.tar.xz
tpm: fix type of a local variables in tpm_tis_spi.c
Use __le32 type for data in that format. Fixes: 0edbfea537d1 ("tpm/tpm_tis_spi: Add support for spi phy") Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Diffstat (limited to 'drivers/char/tpm')
-rw-r--r--drivers/char/tpm/tpm_tis_spi.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi.c
index 8ab0bd8445f6..424ff2fde1f2 100644
--- a/drivers/char/tpm/tpm_tis_spi.c
+++ b/drivers/char/tpm/tpm_tis_spi.c
@@ -152,29 +152,40 @@ static int tpm_tis_spi_write_bytes(struct tpm_tis_data *data, u32 addr,
static int tpm_tis_spi_read16(struct tpm_tis_data *data, u32 addr, u16 *result)
{
+ __le16 result_le;
int rc;
- rc = data->phy_ops->read_bytes(data, addr, sizeof(u16), (u8 *)result);
+ rc = data->phy_ops->read_bytes(data, addr, sizeof(u16),
+ (u8 *)&result_le);
if (!rc)
- *result = le16_to_cpu(*result);
+ *result = le16_to_cpu(result_le);
+
return rc;
}
static int tpm_tis_spi_read32(struct tpm_tis_data *data, u32 addr, u32 *result)
{
+ __le32 result_le;
int rc;
- rc = data->phy_ops->read_bytes(data, addr, sizeof(u32), (u8 *)result);
+ rc = data->phy_ops->read_bytes(data, addr, sizeof(u32),
+ (u8 *)&result_le);
if (!rc)
- *result = le32_to_cpu(*result);
+ *result = le32_to_cpu(result_le);
+
return rc;
}
static int tpm_tis_spi_write32(struct tpm_tis_data *data, u32 addr, u32 value)
{
- value = cpu_to_le32(value);
- return data->phy_ops->write_bytes(data, addr, sizeof(u32),
- (u8 *)&value);
+ __le32 value_le;
+ int rc;
+
+ value_le = cpu_to_le32(value);
+ rc = data->phy_ops->write_bytes(data, addr, sizeof(u32),
+ (u8 *)&value_le);
+
+ return rc;
}
static const struct tpm_tis_phy_ops tpm_spi_phy_ops = {