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Submit #1754

Updated by tuxillo almost 10 years ago

FreeBSD commit 206604: "For early ALI chips do not announce I/O sizes that 
 
 require unsupported 48bit DMA commands." 

 

 --- /usr/src/sys/dev/disk/nata/ata-chipset.c 	 2010-02-23 09:32:42 -0800 
 
 +++ ata-chipset.c 	 2010-04-29 23:32:42 -0700 
 
 @@ -1167,8 +1167,11 @@ 
 	 
 	 return ENXIO; 
 
      
 
      /* older chips can't do 48bit DMA transfers */ 
 
 -      if (ctlr->chip->chiprev <= 0xc4) 
 
 +      if (ctlr->chip->chiprev <= 0xc4) { 
 	 
 	 ch->flags |= ATA_NO_48BIT_DMA; 
 
 + 	 if (ch->dma->max_iosize > 256 * 512) 
 
 + 		 ch->dma->max_iosize = 256 * 512; 
 
 +      } 
 
      
 
      return 0; 
  
  }

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