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-rw-r--r--drivers/ide/ide-lib.c55
1 files changed, 29 insertions, 26 deletions
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 1609b86..062d3bc 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -29,41 +29,44 @@
* Add common non I/O op stuff here. Make sure it has proper
* kernel-doc function headers or your patch will be rejected
*/
-
+
+static const char *udma_str[] =
+ { "UDMA/16", "UDMA/25", "UDMA/33", "UDMA/44",
+ "UDMA/66", "UDMA/100", "UDMA/133", "UDMA7" };
+static const char *mwdma_str[] =
+ { "MWDMA0", "MWDMA1", "MWDMA2" };
+static const char *swdma_str[] =
+ { "SWDMA0", "SWDMA1", "SWDMA2" };
+static const char *pio_str[] =
+ { "PIO0", "PIO1", "PIO2", "PIO3", "PIO4", "PIO5" };
/**
* ide_xfer_verbose - return IDE mode names
- * @xfer_rate: rate to name
+ * @mode: transfer mode
*
* Returns a constant string giving the name of the mode
* requested.
*/
-char *ide_xfer_verbose (u8 xfer_rate)
+const char *ide_xfer_verbose(u8 mode)
{
- switch(xfer_rate) {
- case XFER_UDMA_7: return("UDMA 7");
- case XFER_UDMA_6: return("UDMA 6");
- case XFER_UDMA_5: return("UDMA 5");
- case XFER_UDMA_4: return("UDMA 4");
- case XFER_UDMA_3: return("UDMA 3");
- case XFER_UDMA_2: return("UDMA 2");
- case XFER_UDMA_1: return("UDMA 1");
- case XFER_UDMA_0: return("UDMA 0");
- case XFER_MW_DMA_2: return("MW DMA 2");
- case XFER_MW_DMA_1: return("MW DMA 1");
- case XFER_MW_DMA_0: return("MW DMA 0");
- case XFER_SW_DMA_2: return("SW DMA 2");
- case XFER_SW_DMA_1: return("SW DMA 1");
- case XFER_SW_DMA_0: return("SW DMA 0");
- case XFER_PIO_4: return("PIO 4");
- case XFER_PIO_3: return("PIO 3");
- case XFER_PIO_2: return("PIO 2");
- case XFER_PIO_1: return("PIO 1");
- case XFER_PIO_0: return("PIO 0");
- case XFER_PIO_SLOW: return("PIO SLOW");
- default: return("XFER ERROR");
- }
+ const char *s;
+ u8 i = mode & 0xf;
+
+ if (mode >= XFER_UDMA_0 && mode <= XFER_UDMA_7)
+ s = udma_str[i];
+ else if (mode >= XFER_MW_DMA_0 && mode <= XFER_MW_DMA_2)
+ s = mwdma_str[i];
+ else if (mode >= XFER_SW_DMA_0 && mode <= XFER_SW_DMA_2)
+ s = swdma_str[i];
+ else if (mode >= XFER_PIO_0 && mode <= XFER_PIO_5)
+ s = pio_str[i & 0x7];
+ else if (mode == XFER_PIO_SLOW)
+ s = "PIO SLOW";
+ else
+ s = "XFER ERROR";
+
+ return s;
}
EXPORT_SYMBOL(ide_xfer_verbose);
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