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ata: fix CodingStyle issues in PATA timings code 

* fix the overly long line in ata_timing_quantize()

* use standard kernel CodingStyle in ata_timing_merge()

* do not use assignment in if condition in ata_timing_compute()

* fix non-standard comment style in ata_timing_compute()

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2020-03-26 16:58:06 +01:00 коммит произвёл Jens Axboe
Родитель 2b67a6d3a4
Коммит 4e16818704
1 изменённых файлов: 27 добавлений и 15 удалений
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42
drivers/ata/libata-core.c
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@ -3251,7 +3251,8 @@ static const struct ata_timing ata_timing[] = {
#define ENOUGH(v, unit) (((v)-1)/(unit)+1)
#define EZ(v, unit) ((v)?ENOUGH(((v) * 1000), unit):0)
static void ata_timing_quantize(const struct ata_timing *t, struct ata_timing *q, int T, int UT)
static void ata_timing_quantize(const struct ata_timing *t,
struct ata_timing *q, int T, int UT)
{
q->setup = EZ(t->setup, T);
q->act8b = EZ(t->act8b, T);
@ -3267,15 +3268,24 @@ static void ata_timing_quantize(const struct ata_timing *t, struct ata_timing *q
void ata_timing_merge(const struct ata_timing *a, const struct ata_timing *b,
struct ata_timing *m, unsigned int what)
{
if (what & ATA_TIMING_SETUP ) m->setup = max(a->setup, b->setup);
if (what & ATA_TIMING_ACT8B ) m->act8b = max(a->act8b, b->act8b);
if (what & ATA_TIMING_REC8B ) m->rec8b = max(a->rec8b, b->rec8b);
if (what & ATA_TIMING_CYC8B ) m->cyc8b = max(a->cyc8b, b->cyc8b);
if (what & ATA_TIMING_ACTIVE ) m->active = max(a->active, b->active);
if (what & ATA_TIMING_RECOVER) m->recover = max(a->recover, b->recover);
if (what & ATA_TIMING_DMACK_HOLD) m->dmack_hold = max(a->dmack_hold, b->dmack_hold);
if (what & ATA_TIMING_CYCLE ) m->cycle = max(a->cycle, b->cycle);
if (what & ATA_TIMING_UDMA ) m->udma = max(a->udma, b->udma);
if (what & ATA_TIMING_SETUP)
m->setup = max(a->setup, b->setup);
if (what & ATA_TIMING_ACT8B)
m->act8b = max(a->act8b, b->act8b);
if (what & ATA_TIMING_REC8B)
m->rec8b = max(a->rec8b, b->rec8b);
if (what & ATA_TIMING_CYC8B)
m->cyc8b = max(a->cyc8b, b->cyc8b);
if (what & ATA_TIMING_ACTIVE)
m->active = max(a->active, b->active);
if (what & ATA_TIMING_RECOVER)
m->recover = max(a->recover, b->recover);
if (what & ATA_TIMING_DMACK_HOLD)
m->dmack_hold = max(a->dmack_hold, b->dmack_hold);
if (what & ATA_TIMING_CYCLE)
m->cycle = max(a->cycle, b->cycle);
if (what & ATA_TIMING_UDMA)
m->udma = max(a->udma, b->udma);
}
EXPORT_SYMBOL_GPL(ata_timing_merge);
@ -3306,8 +3316,8 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
/*
* Find the mode.
*/
if (!(s = ata_timing_find_mode(speed)))
s = ata_timing_find_mode(speed);
if (!s)
return -EINVAL;
memcpy(t, s, sizeof(*s));
@ -3363,9 +3373,11 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
t->recover = t->cycle - t->active;
}
/* In a few cases quantisation may produce enough errors to
leave t->cycle too low for the sum of active and recovery
if so we must correct this */
/*
* In a few cases quantisation may produce enough errors to
* leave t->cycle too low for the sum of active and recovery
* if so we must correct this.
*/
if (t->active + t->recover > t->cycle)
t->cycle = t->active + t->recover;