diff options
| -rw-r--r-- | drivers/ide/ide-dma.c | 9 | ||||
| -rw-r--r-- | drivers/ide/ide.c | 1 | ||||
| -rw-r--r-- | drivers/ide/pci/hpt366.c | 23 | ||||
| -rw-r--r-- | include/linux/ide.h | 1 |
4 files changed, 30 insertions, 4 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index ff644a5e12cd..097d6e9865bc 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -673,8 +673,13 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base) mask &= 0x07; break; case XFER_MW_DMA_0: - if (id->field_valid & 2) - mask = id->dma_mword & hwif->mwdma_mask; + if ((id->field_valid & 2) == 0) + break; + if (hwif->mdma_filter) + mask = hwif->mdma_filter(drive); + else + mask = hwif->mwdma_mask; + mask &= id->dma_mword; break; case XFER_SW_DMA_0: if (id->field_valid & 2) { diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 5e88a060df06..de54306789a1 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -398,6 +398,7 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif) hwif->tuneproc = tmp_hwif->tuneproc; hwif->speedproc = tmp_hwif->speedproc; + hwif->mdma_filter = tmp_hwif->mdma_filter; hwif->udma_filter = tmp_hwif->udma_filter; hwif->selectproc = tmp_hwif->selectproc; hwif->reset_poll = tmp_hwif->reset_poll; diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c index 39f1c89f7c86..3d8d6b2ee41a 100644 --- a/drivers/ide/pci/hpt366.c +++ b/drivers/ide/pci/hpt366.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/hpt366.c Version 1.12 Aug 19, 2007 + * linux/drivers/ide/pci/hpt366.c Version 1.13 Sep 29, 2007 * * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> * Portions Copyright (C) 2001 Sun Microsystems, Inc. @@ -114,7 +114,7 @@ * unify HPT36x/37x timing setup code and the speedproc handlers by joining * the register setting lists into the table indexed by the clock selected * - set the correct hwif->ultra_mask for each individual chip - * - add UltraDMA mode filtering for the HPT37[24] based SATA cards + * - add Ultra and MW DMA mode filtering for the HPT37[24] based SATA cards * Sergei Shtylyov, <sshtylyov@ru.mvista.com> or <source@mvista.com> */ @@ -562,6 +562,24 @@ static u8 hpt3xx_udma_filter(ide_drive_t *drive) return check_in_drive_list(drive, bad_ata33) ? 0x00 : mask; } +static u8 hpt3xx_mdma_filter(ide_drive_t *drive) +{ + ide_hwif_t *hwif = HWIF(drive); + struct hpt_info *info = pci_get_drvdata(hwif->pci_dev); + + switch (info->chip_type) { + case HPT372 : + case HPT372A: + case HPT372N: + case HPT374 : + if (ide_dev_is_sata(drive->id)) + return 0x00; + /* Fall thru */ + default: + return 0x07; + } +} + static u32 get_speed_setting(u8 speed, struct hpt_info *info) { int i; @@ -1257,6 +1275,7 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif) hwif->busproc = &hpt3xx_busproc; hwif->udma_filter = &hpt3xx_udma_filter; + hwif->mdma_filter = &hpt3xx_mdma_filter; /* * HPT3xxN chips have some complications: diff --git a/include/linux/ide.h b/include/linux/ide.h index b9f66c10caa0..0665428356d3 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -723,6 +723,7 @@ typedef struct hwif_s { /* driver soft-power interface */ int (*busproc)(ide_drive_t *, int); #endif + u8 (*mdma_filter)(ide_drive_t *); u8 (*udma_filter)(ide_drive_t *); void (*ata_input_data)(ide_drive_t *, void *, u32); |