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ide: move ide_rate_filter() calls to the upper layer (take 2)

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* Move ide_rate_filter() calls from host drivers to IDE core.

* Make ide_rate_filter() static.

* Make 'speed' argument of ->speedproc const.

v2:
* Fix it8213_tune_chipset() comment.

There should be no functionality changes caused by this patch.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2007-10-11 23:53:59 +02:00
parent 3160d5416f
commit f212ff28f0
32 changed files with 59 additions and 123 deletions
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8
drivers/ide/pci/atiixp.c
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@@ -163,23 +163,21 @@ static void atiixp_tuneproc(ide_drive_t *drive, u8 pio)
/**
* atiixp_tune_chipset - tune a ATIIXP interface
* @drive: IDE drive to tune
* @xferspeed: speed to configure
* @speed: speed to configure
*
* Set a ATIIXP interface channel to the desired speeds. This involves
* requires the right timing data into the ATIIXP configuration space
* then setting the drive parameters appropriately
*/
static int atiixp_speedproc(ide_drive_t *drive, u8 xferspeed)
static int atiixp_speedproc(ide_drive_t *drive, const u8 speed)
{
struct pci_dev *dev = drive->hwif->pci_dev;
unsigned long flags;
int timing_shift = (drive->dn & 2) ? 16 : 0 + (drive->dn & 1) ? 0 : 8;
u32 tmp32;
u16 tmp16;
u8 speed, pio;
speed = ide_rate_filter(drive, xferspeed);
u8 pio;
if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) {
atiixp_tune_pio(drive, speed - XFER_PIO_0);