Message ID | 1538482550-7698-1-git-send-email-ioana.ciornei@nxp.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | bus: fsl-mc: explicitly define the fsl_mc_command endianness | expand |
On 02.10.2018 15:16, Ioana Ciornei wrote: > Both the header and the command parameters of the fsl_mc_command are > 64-bit little-endian words. Use the appropriate type to explicitly > specify their endianness. > > Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Reviewed-By: Laurentiu Tudor <laurentiu.tudor@nxp.com> --- Best Regards, Laurentiu > --- > include/linux/fsl/mc.h | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h > index f27cb14..96c54bb 100644 > --- a/include/linux/fsl/mc.h > +++ b/include/linux/fsl/mc.h > @@ -210,8 +210,8 @@ struct mc_cmd_header { > }; > > struct fsl_mc_command { > - u64 header; > - u64 params[MC_CMD_NUM_OF_PARAMS]; > + __le64 header; > + __le64 params[MC_CMD_NUM_OF_PARAMS]; > }; > > enum mc_cmd_status { > @@ -238,11 +238,11 @@ enum mc_cmd_status { > /* Command completion flag */ > #define MC_CMD_FLAG_INTR_DIS 0x01 > > -static inline u64 mc_encode_cmd_header(u16 cmd_id, > - u32 cmd_flags, > - u16 token) > +static inline __le64 mc_encode_cmd_header(u16 cmd_id, > + u32 cmd_flags, > + u16 token) > { > - u64 header = 0; > + __le64 header = 0; > struct mc_cmd_header *hdr = (struct mc_cmd_header *)&header; > > hdr->cmd_id = cpu_to_le16(cmd_id); >
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index f27cb14..96c54bb 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -210,8 +210,8 @@ struct mc_cmd_header { }; struct fsl_mc_command { - u64 header; - u64 params[MC_CMD_NUM_OF_PARAMS]; + __le64 header; + __le64 params[MC_CMD_NUM_OF_PARAMS]; }; enum mc_cmd_status { @@ -238,11 +238,11 @@ enum mc_cmd_status { /* Command completion flag */ #define MC_CMD_FLAG_INTR_DIS 0x01 -static inline u64 mc_encode_cmd_header(u16 cmd_id, - u32 cmd_flags, - u16 token) +static inline __le64 mc_encode_cmd_header(u16 cmd_id, + u32 cmd_flags, + u16 token) { - u64 header = 0; + __le64 header = 0; struct mc_cmd_header *hdr = (struct mc_cmd_header *)&header; hdr->cmd_id = cpu_to_le16(cmd_id);
Both the header and the command parameters of the fsl_mc_command are 64-bit little-endian words. Use the appropriate type to explicitly specify their endianness. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> --- include/linux/fsl/mc.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)