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linux/include/linux
Jiri Slaby 70beaed22c serial: refactor ASYNC_ flags
Define ASYNCB_* flags which are bit numbers of the ASYNC_* flags.
This is useful for {test,set,clear}_bit.

Also convert each ASYNC_% to be (1 << ASYNCB_%) and define masks
with the macros, not constants.

Tested with:
#include "PATH_TO_KERNEL/include/linux/serial.h"
static struct {
        unsigned int new, old;
} as[] = {
        { ASYNC_HUP_NOTIFY, 0x0001 },
        { ASYNC_FOURPORT, 0x0002 },
...
	{ ASYNC_BOOT_ONLYMCA, 0x00400000 },
        { ASYNC_INTERNAL_FLAGS, 0xFFC00000 }
};
...
        for (a = 0; a < ARRAY_SIZE(as); a++)
                if (as[a].old != as[a].new)
                        printf("%.8x != %.8x\n", as[a].old, as[a].new);

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-11 08:50:58 -07:00
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