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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2018-06-12 15:19:09 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2018-06-18 14:33:56 +1000
commit5a3c2f7656d0332eca310c74fb3641da0e45df17 (patch)
tree1ee46412a13b20d9f9214fffcd47a9952a004deb /drivers/fsi
parentbd21336457922280ac0eccdb3aeec14a5bf1391b (diff)
downloadlinux-5a3c2f7656d0332eca310c74fb3641da0e45df17.tar.bz2
fsi: scom: Fixup endian annotations
Use the proper annotated type __be32 and fixup the accessor used for get_scom() Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by: Eddie James <eajames@linux.vnet.ibm.com>
Diffstat (limited to 'drivers/fsi')
-rw-r--r--drivers/fsi/fsi-scom.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/fsi/fsi-scom.c b/drivers/fsi/fsi-scom.c
index 8a608db0aa07..6ddfb6021420 100644
--- a/drivers/fsi/fsi-scom.c
+++ b/drivers/fsi/fsi-scom.c
@@ -51,8 +51,8 @@ static DEFINE_IDA(scom_ida);
static int put_scom(struct scom_device *scom_dev, uint64_t value,
uint32_t addr)
{
+ __be32 data;
int rc;
- uint32_t data;
mutex_lock(&scom_dev->lock);
@@ -79,7 +79,7 @@ static int put_scom(struct scom_device *scom_dev, uint64_t value,
static int get_scom(struct scom_device *scom_dev, uint64_t *value,
uint32_t addr)
{
- uint32_t result, data;
+ __be32 result, data;
int rc;
@@ -96,14 +96,13 @@ static int get_scom(struct scom_device *scom_dev, uint64_t *value,
if (rc)
goto bail;
- *value |= (uint64_t)cpu_to_be32(result) << 32;
+ *value |= (uint64_t)be32_to_cpu(result) << 32;
rc = fsi_device_read(scom_dev->fsi_dev, SCOM_DATA1_REG, &result,
sizeof(uint32_t));
if (rc)
goto bail;
- *value |= cpu_to_be32(result);
-
+ *value |= be32_to_cpu(result);
bail:
mutex_unlock(&scom_dev->lock);
return rc;