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Date: Fri, 29 Jan 2010 17:03:21 +0100
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: linux-ide@...r.kernel.org
Cc: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH 02/68] libata: CodingStyle fixes for ATA timings code
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
Subject: [PATCH] libata: CodingStyle fixes for ATA timings code
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
drivers/ata/libata-core.c | 39 +++++++++++++++++++++++++--------------
1 file changed, 25 insertions(+), 14 deletions(-)
Index: b/drivers/ata/libata-core.c
===================================================================
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3076,10 +3076,11 @@ static const struct ata_timing ata_timin
{ 0xFF }
};
-#define ENOUGH(v, unit) (((v)-1)/(unit)+1)
-#define EZ(v, unit) ((v)?ENOUGH(v, unit):0)
+#define ENOUGH(v, unit) (((v) - 1) / (unit) + 1)
+#define EZ(v, unit) ((v) ? ENOUGH(v, 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 * 1000, T);
q->act8b = EZ(t->act8b * 1000, T);
@@ -3095,15 +3096,24 @@ static void ata_timing_quantize(const st
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);
}
const struct ata_timing *ata_timing_find_mode(u8 xfer_mode)
@@ -3129,7 +3139,8 @@ int ata_timing_compute(struct ata_device
* 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));
@@ -3162,7 +3173,7 @@ int ata_timing_compute(struct ata_device
/*
* Even in DMA/UDMA modes we still use PIO access for IDENTIFY,
- * S.M.A.R.T * and some other commands. We have to ensure that the
+ * S.M.A.R.T and some other commands. We have to ensure that the
* DMA cycle timing is slower/equal than the fastest PIO timing.
*/
--
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