mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-24 01:41:39 +00:00
Code Issues Releases Wiki Activity

pmac: remove superfluous pmif == NULL checks

Browse source 
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-10-13 21:39:45 +02:00
parent e415e495f8
commit 9055ba3ee2
1 changed files with 5 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
drivers/ide/ppc/pmac.c
View file

@ -430,9 +430,6 @@ pmac_ide_selectproc(ide_drive_t *drive)
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
if (pmif == NULL)
return;
if (drive->dn & 1)
writel(pmif->timings[1], PMAC_IDE_REG(IDE_TIMING_CONFIG));
else
@ -452,9 +449,6 @@ pmac_ide_kauai_selectproc(ide_drive_t *drive)
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
if (pmif == NULL)
return;
if (drive->dn & 1) {
writel(pmif->timings[1], PMAC_IDE_REG(IDE_KAUAI_PIO_CONFIG));
writel(pmif->timings[3], PMAC_IDE_REG(IDE_KAUAI_ULTRA_CONFIG));
@ -475,9 +469,6 @@ pmac_ide_do_update_timings(ide_drive_t *drive)
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
if (pmif == NULL)
return;
if (pmif->kind == controller_sh_ata6 ||
pmif->kind == controller_un_ata6 ||
pmif->kind == controller_k2_ata6)
@ -524,9 +515,6 @@ pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
unsigned accessTime, recTime;
unsigned int cycle_time;
if (pmif == NULL)
return;
/* which drive is it ? */
timings = &pmif->timings[drive->dn & 1];
t = *timings;
@ -1558,11 +1546,7 @@ pmac_ide_dma_setup(ide_drive_t *drive)
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
struct request *rq = HWGROUP(drive)->rq;
u8 unit = drive->dn & 1, ata4;
if (pmif == NULL)
return 1;
ata4 = (pmif->kind == controller_kl_ata4);
u8 unit = drive->dn & 1, ata4 = (pmif->kind == controller_kl_ata4);
if (!pmac_ide_build_dmatable(drive, rq)) {
ide_map_sg(drive, rq);
@ -1616,12 +1600,8 @@ pmac_ide_dma_end (ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
volatile struct dbdma_regs __iomem *dma;
volatile struct dbdma_regs __iomem *dma = pmif->dma_regs;
u32 dstat;
if (pmif == NULL)
return 0;
dma = pmif->dma_regs;
drive->waiting_for_dma = 0;
dstat = readl(&dma->status);
@ -1646,13 +1626,9 @@ pmac_ide_dma_test_irq (ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
volatile struct dbdma_regs __iomem *dma;
volatile struct dbdma_regs __iomem *dma = pmif->dma_regs;
unsigned long status, timeout;
if (pmif == NULL)
return 0;
dma = pmif->dma_regs;
/* We have to things to deal with here:
*
* - The dbdma won't stop if the command was started
@ -1705,14 +1681,9 @@ pmac_ide_dma_lost_irq (ide_drive_t *drive)
ide_hwif_t *hwif = drive->hwif;
pmac_ide_hwif_t *pmif =
(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
volatile struct dbdma_regs __iomem *dma;
unsigned long status;
volatile struct dbdma_regs __iomem *dma = pmif->dma_regs;
unsigned long status = readl(&dma->status);
if (pmif == NULL)
return;
dma = pmif->dma_regs;
status = readl(&dma->status);
printk(KERN_ERR "ide-pmac lost interrupt, dma status: %lx\n", status);
}