From 5bfb151f1f565e6082304a30e8c81dfb6ed0b0c8 Mon Sep 17 00:00:00 2001 From: Joao Ramos Date: Mon, 15 Jun 2009 22:13:44 +0200 Subject: ide: do not access ide_drive_t 'drive_data' field directly Change ide_drive_t 'drive_data' field from 'unsigned int' type to 'void *' type, allowing a wider range of values/types to be stored in this field. Added 'ide_get_drivedata' and 'ide_set_drivedata' helpers to get and set the 'drive_data' field. Fixed all host drivers to maintain coherency with the change in the 'drive_data' field type. Signed-off-by: Joao Ramos [bart: fix qd65xx build, cast to 'unsigned long', minor Coding Style fixups] Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/cs5536.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) (limited to 'drivers/ide/cs5536.c') diff --git a/drivers/ide/cs5536.c b/drivers/ide/cs5536.c index 0332a95eefd4..9623b852c616 100644 --- a/drivers/ide/cs5536.c +++ b/drivers/ide/cs5536.c @@ -146,14 +146,16 @@ static void cs5536_set_pio_mode(ide_drive_t *drive, const u8 pio) struct pci_dev *pdev = to_pci_dev(drive->hwif->dev); ide_drive_t *pair = ide_get_pair_dev(drive); int cshift = (drive->dn & 1) ? IDE_CAST_D1_SHIFT : IDE_CAST_D0_SHIFT; + unsigned long timings = (unsigned long)ide_get_drivedata(drive); u32 cast; u8 cmd_pio = pio; if (pair) cmd_pio = min(pio, ide_get_best_pio_mode(pair, 255, 4)); - drive->drive_data &= (IDE_DRV_MASK << 8); - drive->drive_data |= drv_timings[pio]; + timings &= (IDE_DRV_MASK << 8); + timings |= drv_timings[pio]; + ide_set_drivedata(drive, (void *)timings); cs5536_program_dtc(drive, drv_timings[pio]); @@ -186,6 +188,7 @@ static void cs5536_set_dma_mode(ide_drive_t *drive, const u8 mode) struct pci_dev *pdev = to_pci_dev(drive->hwif->dev); int dshift = (drive->dn & 1) ? IDE_D1_SHIFT : IDE_D0_SHIFT; + unsigned long timings = (unsigned long)ide_get_drivedata(drive); u32 etc; cs5536_read(pdev, ETC, &etc); @@ -195,8 +198,9 @@ static void cs5536_set_dma_mode(ide_drive_t *drive, const u8 mode) etc |= udma_timings[mode - XFER_UDMA_0] << dshift; } else { /* MWDMA */ etc &= ~(IDE_ETC_UDMA_MASK << dshift); - drive->drive_data &= IDE_DRV_MASK; - drive->drive_data |= mwdma_timings[mode - XFER_MW_DMA_0] << 8; + timings &= IDE_DRV_MASK; + timings |= mwdma_timings[mode - XFER_MW_DMA_0] << 8; + ide_set_drivedata(drive, (void *)timings); } cs5536_write(pdev, ETC, etc); @@ -204,9 +208,11 @@ static void cs5536_set_dma_mode(ide_drive_t *drive, const u8 mode) static void cs5536_dma_start(ide_drive_t *drive) { + unsigned long timings = (unsigned long)ide_get_drivedata(drive); + if (drive->current_speed < XFER_UDMA_0 && - (drive->drive_data >> 8) != (drive->drive_data & IDE_DRV_MASK)) - cs5536_program_dtc(drive, drive->drive_data >> 8); + (timings >> 8) != (timings & IDE_DRV_MASK)) + cs5536_program_dtc(drive, timings >> 8); ide_dma_start(drive); } @@ -214,10 +220,11 @@ static void cs5536_dma_start(ide_drive_t *drive) static int cs5536_dma_end(ide_drive_t *drive) { int ret = ide_dma_end(drive); + unsigned long timings = (unsigned long)ide_get_drivedata(drive); if (drive->current_speed < XFER_UDMA_0 && - (drive->drive_data >> 8) != (drive->drive_data & IDE_DRV_MASK)) - cs5536_program_dtc(drive, drive->drive_data & IDE_DRV_MASK); + (timings >> 8) != (timings & IDE_DRV_MASK)) + cs5536_program_dtc(drive, timings & IDE_DRV_MASK); return ret; } -- cgit v1.2.3-59-g8ed1b