Messages in this thread | | | Subject | Re: [RFC PATCH 3/5] fsi/scom: Fixup endian annotations | From | Eddie James <> | Date | Wed, 13 Jun 2018 09:58:11 -0500 |
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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;
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