linux-kernel - [PATCH 1/7] ide: don't display "BIOS" settings in ide_setup

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Date:	Sat, 8 Mar 2008 22:29:34 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	linux-ide@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/7] ide: don't display "BIOS" settings in ide_setup_dma()

Nowadays BIOS info is not very useful and only confuses users since:

- IDE always tries to use DMA

- BIOS info may not be accurate with modular IDE/libata

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
 drivers/ide/ide-dma.c |   11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

Index: b/drivers/ide/ide-dma.c
===================================================================
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -840,12 +840,10 @@ static int ide_allocate_dma_engine(ide_h
 
 void ide_setup_dma(ide_hwif_t *hwif, unsigned long base)
 {
-	u8 dma_stat;
-
 	if (hwif->mmio)
-		printk(KERN_INFO "    %s: MMIO-DMA ", hwif->name);
+		printk(KERN_INFO "    %s: MMIO-DMA\n", hwif->name);
 	else
-		printk(KERN_INFO "    %s: BM-DMA at 0x%04lx-0x%04lx",
+		printk(KERN_INFO "    %s: BM-DMA at 0x%04lx-0x%04lx\n",
 				 hwif->name, base, base + 7);
 
 	hwif->extra_base = base + (hwif->channel ? 8 : 16);
@@ -884,11 +882,6 @@ void ide_setup_dma(ide_hwif_t *hwif, uns
 		hwif->dma_timeout = &ide_dma_timeout;
 	if (!hwif->dma_lost_irq)
 		hwif->dma_lost_irq = &ide_dma_lost_irq;
-
-	dma_stat = hwif->INB(hwif->dma_status);
-	printk(KERN_CONT ", BIOS settings: %s:%s, %s:%s\n",
-	       hwif->drives[0].name, (dma_stat & 0x20) ? "DMA" : "PIO",
-	       hwif->drives[1].name, (dma_stat & 0x40) ? "DMA" : "PIO");
 }
 
 EXPORT_SYMBOL_GPL(ide_setup_dma);
--
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