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| author | Arnd Bergmann <arnd@arndb.de> | 2017-07-14 11:25:13 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-21 04:37:22 +0100 |
| commit | 921edf312a6a20be16cf2b60e0dec3dce35e5cb9 (patch) | |
| tree | de7a67d798a76de632c56effdf29109fc2af760a /drivers/ide/ide-timings.c | |
| parent | 96080f697786e0a30006fcbcc5b53f350fcb3e9f (diff) | |
| download | lwn-921edf312a6a20be16cf2b60e0dec3dce35e5cb9.tar.gz lwn-921edf312a6a20be16cf2b60e0dec3dce35e5cb9.zip | |
ide: avoid warning for timings calculation
gcc-7 warns about the result of a constant multiplication used as
a boolean:
drivers/ide/ide-timings.c: In function 'ide_timing_quantize':
drivers/ide/ide-timings.c:112:24: error: '*' in boolean context, suggest '&&' instead [-Werror=int-in-bool-context]
q->setup = EZ(t->setup * 1000, T);
This slightly rearranges the macro to simplify the code and avoid
the warning at the same time.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/ide/ide-timings.c')
| -rw-r--r-- | drivers/ide/ide-timings.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c index 0e05f75934c9..1858e3ce3993 100644 --- a/drivers/ide/ide-timings.c +++ b/drivers/ide/ide-timings.c @@ -104,19 +104,19 @@ u16 ide_pio_cycle_time(ide_drive_t *drive, u8 pio) EXPORT_SYMBOL_GPL(ide_pio_cycle_time); #define ENOUGH(v, unit) (((v) - 1) / (unit) + 1) -#define EZ(v, unit) ((v) ? ENOUGH(v, unit) : 0) +#define EZ(v, unit) ((v) ? ENOUGH((v) * 1000, unit) : 0) static void ide_timing_quantize(struct ide_timing *t, struct ide_timing *q, int T, int UT) { - q->setup = EZ(t->setup * 1000, T); - q->act8b = EZ(t->act8b * 1000, T); - q->rec8b = EZ(t->rec8b * 1000, T); - q->cyc8b = EZ(t->cyc8b * 1000, T); - q->active = EZ(t->active * 1000, T); - q->recover = EZ(t->recover * 1000, T); - q->cycle = EZ(t->cycle * 1000, T); - q->udma = EZ(t->udma * 1000, UT); + q->setup = EZ(t->setup, T); + q->act8b = EZ(t->act8b, T); + q->rec8b = EZ(t->rec8b, T); + q->cyc8b = EZ(t->cyc8b, T); + q->active = EZ(t->active, T); + q->recover = EZ(t->recover, T); + q->cycle = EZ(t->cycle, T); + q->udma = EZ(t->udma, UT); } void ide_timing_merge(struct ide_timing *a, struct ide_timing *b, |