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SubjectRe: [PATCH 3/6] firewire: char device interface
John Stoffel wrote:
>>>>>> "Stefan" == Stefan Richter <> writes:
> Stefan> Signed-off-by: Stefan Richter <>
> Stefan> ---
> Stefan> drivers/firewire/fw-cdev.c | 954 ++++++++++++++++++++++++++++++++++
> Stefan> include/linux/firewire-cdev.h | 268 +++++++++
> Stefan> 2 files changed, 1222 insertions(+)
> Stefan> Index: linux_juju/include/linux/firewire-cdev.h
> Stefan> +#define RCODE_SEND_ERROR 0x10
> Stefan> +#define RCODE_CANCELLED 0x11
> Stefan> +#define RCODE_BUSY 0x12
> Stefan> +#define RCODE_GENERATION 0x13
> Stefan> +#define RCODE_NO_ACK 0x14
> Stefan> +
> Stefan> +#define SCODE_100 0x0
> Stefan> +#define SCODE_200 0x1
> Stefan> +#define SCODE_400 0x2
> Stefan> +#define SCODE_800 0x3
> Stefan> +#define SCODE_1600 0x4
> Stefan> +#define SCODE_3200 0x5
> These are also defined in fw-transaction.h, though that file doesn't
> have all the values. Can these just be combined into a single
> fw-constants.h file instead?
> I honestly haven't checked all your defines....

The firewire-cdev.h file is meant to be a self-contained userspace header file
and shouldn't include other kernel header files. All duplicated values are
standardized ieee1394 values and won't ever change. I should put a #ifndef
__FW_COMMON_DEFINES protection around the duplicate values, I guess, but I'm
just wondering why I never saw a "symbol redefined" warning...


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