Hello Olof,
Thanks a lot for your feedback.
On 02/26/2015 02:13 AM, Gwendal Grignou wrote:
> Olof,
>
> I think the way Javier did it is fine, the 'major' of the ioctl is
> 0xEC, from ':'.
>
> Gwendal.
>
As Gwendal said, I deliberately changed the IOCTL mayor number to
make it different in both kernels.
downstream:
#define CROS_EC_DEV_IOC ':'
#define CROS_EC_DEV_IOCXCMD _IOWR(':', 0, struct cros_ec_command)
#define CROS_EC_DEV_IOCRDMEM _IOWR(':', 1, struct cros_ec_readmem)
mainline:
#define CROS_EC_DEV_IOC 0xEC
#define CROS_EC_DEV_IOCXCMD _IOWR(CROS_EC_DEV_IOC, 0, struct cros_ec_command)
#define CROS_EC_DEV_IOCRDMEM _IOWR(CROS_EC_DEV_IOC, 1, struct cros_ec_readmem)
I can also do what you suggested and keep ':' as the major and use 2/3
as command numbers but I just think 0xEC is a much nicer major for the
interface to talk with the Embedded Controller and it was available ;)
Best regards,
Javier
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