diff options
Diffstat (limited to 'drivers/ide/ide-dma.c')
-rw-r--r-- | drivers/ide/ide-dma.c | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index a00d2598ec7f..c352cf27b6e7 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c | |||
@@ -482,11 +482,12 @@ int ide_dma_setup(ide_drive_t *drive) | |||
482 | 482 | ||
483 | EXPORT_SYMBOL_GPL(ide_dma_setup); | 483 | EXPORT_SYMBOL_GPL(ide_dma_setup); |
484 | 484 | ||
485 | static void ide_dma_exec_cmd(ide_drive_t *drive, u8 command) | 485 | void ide_dma_exec_cmd(ide_drive_t *drive, u8 command) |
486 | { | 486 | { |
487 | /* issue cmd to drive */ | 487 | /* issue cmd to drive */ |
488 | ide_execute_command(drive, command, &ide_dma_intr, 2*WAIT_CMD, dma_timer_expiry); | 488 | ide_execute_command(drive, command, &ide_dma_intr, 2*WAIT_CMD, dma_timer_expiry); |
489 | } | 489 | } |
490 | EXPORT_SYMBOL_GPL(ide_dma_exec_cmd); | ||
490 | 491 | ||
491 | void ide_dma_start(ide_drive_t *drive) | 492 | void ide_dma_start(ide_drive_t *drive) |
492 | { | 493 | { |
@@ -532,7 +533,7 @@ int __ide_dma_end (ide_drive_t *drive) | |||
532 | EXPORT_SYMBOL(__ide_dma_end); | 533 | EXPORT_SYMBOL(__ide_dma_end); |
533 | 534 | ||
534 | /* returns 1 if dma irq issued, 0 otherwise */ | 535 | /* returns 1 if dma irq issued, 0 otherwise */ |
535 | static int __ide_dma_test_irq(ide_drive_t *drive) | 536 | int ide_dma_test_irq(ide_drive_t *drive) |
536 | { | 537 | { |
537 | ide_hwif_t *hwif = HWIF(drive); | 538 | ide_hwif_t *hwif = HWIF(drive); |
538 | u8 dma_stat = hwif->INB(hwif->dma_status); | 539 | u8 dma_stat = hwif->INB(hwif->dma_status); |
@@ -545,6 +546,7 @@ static int __ide_dma_test_irq(ide_drive_t *drive) | |||
545 | drive->name, __func__); | 546 | drive->name, __func__); |
546 | return 0; | 547 | return 0; |
547 | } | 548 | } |
549 | EXPORT_SYMBOL_GPL(ide_dma_test_irq); | ||
548 | #else | 550 | #else |
549 | static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; } | 551 | static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; } |
550 | #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ | 552 | #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ |
@@ -839,21 +841,19 @@ int ide_allocate_dma_engine(ide_hwif_t *hwif) | |||
839 | } | 841 | } |
840 | EXPORT_SYMBOL_GPL(ide_allocate_dma_engine); | 842 | EXPORT_SYMBOL_GPL(ide_allocate_dma_engine); |
841 | 843 | ||
842 | static struct ide_dma_ops sff_dma_ops = { | 844 | static const struct ide_dma_ops sff_dma_ops = { |
843 | .dma_host_set = ide_dma_host_set, | 845 | .dma_host_set = ide_dma_host_set, |
844 | .dma_setup = ide_dma_setup, | 846 | .dma_setup = ide_dma_setup, |
845 | .dma_exec_cmd = ide_dma_exec_cmd, | 847 | .dma_exec_cmd = ide_dma_exec_cmd, |
846 | .dma_start = ide_dma_start, | 848 | .dma_start = ide_dma_start, |
847 | .dma_end = __ide_dma_end, | 849 | .dma_end = __ide_dma_end, |
848 | .dma_test_irq = __ide_dma_test_irq, | 850 | .dma_test_irq = ide_dma_test_irq, |
849 | .dma_timeout = ide_dma_timeout, | 851 | .dma_timeout = ide_dma_timeout, |
850 | .dma_lost_irq = ide_dma_lost_irq, | 852 | .dma_lost_irq = ide_dma_lost_irq, |
851 | }; | 853 | }; |
852 | 854 | ||
853 | void ide_setup_dma(ide_hwif_t *hwif, unsigned long base, | 855 | void ide_setup_dma(ide_hwif_t *hwif, unsigned long base) |
854 | const struct ide_port_info *d) | ||
855 | { | 856 | { |
856 | struct ide_dma_ops *dma_ops = d->dma_ops ? d->dma_ops : &sff_dma_ops; | ||
857 | hwif->dma_base = base; | 857 | hwif->dma_base = base; |
858 | 858 | ||
859 | if (!hwif->dma_command) | 859 | if (!hwif->dma_command) |
@@ -867,24 +867,7 @@ void ide_setup_dma(ide_hwif_t *hwif, unsigned long base, | |||
867 | if (!hwif->dma_prdtable) | 867 | if (!hwif->dma_prdtable) |
868 | hwif->dma_prdtable = hwif->dma_base + 4; | 868 | hwif->dma_prdtable = hwif->dma_base + 4; |
869 | 869 | ||
870 | hwif->dma_ops = dma_ops; | 870 | hwif->dma_ops = &sff_dma_ops; |
871 | |||
872 | if (dma_ops->dma_host_set == NULL) | ||
873 | dma_ops->dma_host_set = ide_dma_host_set; | ||
874 | if (dma_ops->dma_setup == NULL) | ||
875 | dma_ops->dma_setup = ide_dma_setup; | ||
876 | if (dma_ops->dma_exec_cmd == NULL) | ||
877 | dma_ops->dma_exec_cmd = ide_dma_exec_cmd; | ||
878 | if (dma_ops->dma_start == NULL) | ||
879 | dma_ops->dma_start = ide_dma_start; | ||
880 | if (dma_ops->dma_end == NULL) | ||
881 | dma_ops->dma_end = __ide_dma_end; | ||
882 | if (dma_ops->dma_test_irq == NULL) | ||
883 | dma_ops->dma_test_irq = __ide_dma_test_irq; | ||
884 | if (dma_ops->dma_timeout == NULL) | ||
885 | dma_ops->dma_timeout = ide_dma_timeout; | ||
886 | if (dma_ops->dma_lost_irq == NULL) | ||
887 | dma_ops->dma_lost_irq = ide_dma_lost_irq; | ||
888 | } | 871 | } |
889 | 872 | ||
890 | EXPORT_SYMBOL_GPL(ide_setup_dma); | 873 | EXPORT_SYMBOL_GPL(ide_setup_dma); |