Message ID | 20180612051911.20690-4-benh@kernel.crashing.org |
---|---|
State | Accepted, archived |
Headers | show |
Series | FSI scom driver overhaul | expand |
On 06/12/2018 12:19 AM, Benjamin Herrenschmidt wrote: > 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> > --- > drivers/fsi/fsi-scom.c | 9 ++++----- > 1 file 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;
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;
Use the proper annotated type __be32 and fixup the accessor used for get_scom() Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> --- drivers/fsi/fsi-scom.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)