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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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7
drivers/ide/pci/piix.c
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@@ -221,19 +221,18 @@ static void piix_tune_drive (ide_drive_t *drive, u8 pio)
/**
* piix_tune_chipset - tune a PIIX interface
* @drive: IDE drive to tune
* @xferspeed: speed to configure
* @speed: speed to configure
*
* Set a PIIX interface channel to the desired speeds. This involves
* requires the right timing data into the PIIX configuration space
* then setting the drive parameters appropriately
*/
static int piix_tune_chipset (ide_drive_t *drive, u8 xferspeed)
static int piix_tune_chipset(ide_drive_t *drive, const u8 speed)
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 maslave = hwif->channel ? 0x42 : 0x40;
u8 speed = ide_rate_filter(drive, xferspeed);
int a_speed = 3 << (drive->dn * 4);
int u_flag = 1 << drive->dn;
int v_flag = 0x01 << drive->dn;