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path: root/drivers/ide/ide-xfer-mode.c
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Diffstat (limited to 'drivers/ide/ide-xfer-mode.c')
-rw-r--r--drivers/ide/ide-xfer-mode.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/ide/ide-xfer-mode.c b/drivers/ide/ide-xfer-mode.c
index 6910f6a257e8..af44be9d546c 100644
--- a/drivers/ide/ide-xfer-mode.c
+++ b/drivers/ide/ide-xfer-mode.c
@@ -9,11 +9,11 @@ static const char *udma_str[] =
9 { "UDMA/16", "UDMA/25", "UDMA/33", "UDMA/44", 9 { "UDMA/16", "UDMA/25", "UDMA/33", "UDMA/44",
10 "UDMA/66", "UDMA/100", "UDMA/133", "UDMA7" }; 10 "UDMA/66", "UDMA/100", "UDMA/133", "UDMA7" };
11static const char *mwdma_str[] = 11static const char *mwdma_str[] =
12 { "MWDMA0", "MWDMA1", "MWDMA2" }; 12 { "MWDMA0", "MWDMA1", "MWDMA2", "MWDMA3", "MWDMA4" };
13static const char *swdma_str[] = 13static const char *swdma_str[] =
14 { "SWDMA0", "SWDMA1", "SWDMA2" }; 14 { "SWDMA0", "SWDMA1", "SWDMA2" };
15static const char *pio_str[] = 15static const char *pio_str[] =
16 { "PIO0", "PIO1", "PIO2", "PIO3", "PIO4", "PIO5" }; 16 { "PIO0", "PIO1", "PIO2", "PIO3", "PIO4", "PIO5", "PIO6" };
17 17
18/** 18/**
19 * ide_xfer_verbose - return IDE mode names 19 * ide_xfer_verbose - return IDE mode names
@@ -30,11 +30,11 @@ const char *ide_xfer_verbose(u8 mode)
30 30
31 if (mode >= XFER_UDMA_0 && mode <= XFER_UDMA_7) 31 if (mode >= XFER_UDMA_0 && mode <= XFER_UDMA_7)
32 s = udma_str[i]; 32 s = udma_str[i];
33 else if (mode >= XFER_MW_DMA_0 && mode <= XFER_MW_DMA_2) 33 else if (mode >= XFER_MW_DMA_0 && mode <= XFER_MW_DMA_4)
34 s = mwdma_str[i]; 34 s = mwdma_str[i];
35 else if (mode >= XFER_SW_DMA_0 && mode <= XFER_SW_DMA_2) 35 else if (mode >= XFER_SW_DMA_0 && mode <= XFER_SW_DMA_2)
36 s = swdma_str[i]; 36 s = swdma_str[i];
37 else if (mode >= XFER_PIO_0 && mode <= XFER_PIO_5) 37 else if (mode >= XFER_PIO_0 && mode <= XFER_PIO_6)
38 s = pio_str[i & 0x7]; 38 s = pio_str[i & 0x7];
39 else if (mode == XFER_PIO_SLOW) 39 else if (mode == XFER_PIO_SLOW)
40 s = "PIO SLOW"; 40 s = "PIO SLOW";
@@ -79,7 +79,10 @@ u8 ide_get_best_pio_mode(ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
79 } 79 }
80 80
81 if (id[ATA_ID_FIELD_VALID] & 2) { /* ATA2? */ 81 if (id[ATA_ID_FIELD_VALID] & 2) { /* ATA2? */
82 if (ata_id_has_iordy(id)) { 82 if (ata_id_is_cfa(id) && (id[ATA_ID_CFA_MODES] & 7))
83 pio_mode = 4 + min_t(int, 2,
84 id[ATA_ID_CFA_MODES] & 7);
85 else if (ata_id_has_iordy(id)) {
83 if (id[ATA_ID_PIO_MODES] & 7) { 86 if (id[ATA_ID_PIO_MODES] & 7) {
84 overridden = 0; 87 overridden = 0;
85 if (id[ATA_ID_PIO_MODES] & 4) 88 if (id[ATA_ID_PIO_MODES] & 4)
@@ -239,7 +242,7 @@ int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)
239 242
240 BUG_ON(rate < XFER_PIO_0); 243 BUG_ON(rate < XFER_PIO_0);
241 244
242 if (rate >= XFER_PIO_0 && rate <= XFER_PIO_5) 245 if (rate >= XFER_PIO_0 && rate <= XFER_PIO_6)
243 return ide_set_pio_mode(drive, rate); 246 return ide_set_pio_mode(drive, rate);
244 247
245 return ide_set_dma_mode(drive, rate); 248 return ide_set_dma_mode(drive, rate);