linux-kernel - Remove apparently dead CONFIG_NO_ATA

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Message-ID: <Pine.LNX.4.64.0705031350550.11235@localhost.localdomain>
Date:	Thu, 3 May 2007 13:53:06 -0400 (EDT)
From:	"Robert P. J. Day" <rpjday@...dspring.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
cc:	Andrew Morton <akpm@...l.org>
Subject: Remove apparently dead CONFIG_NO_ATA_LEGACY code.

Remove the single snippet of code conditional on the non-existent
CONFIG_NO_ATA_LEGACY Kconfig variable.

Signed-off-by: Robert P. J. Day <rpjday@...dspring.com>

---

  i would have mailed a note about this to the ATA maintainer but it
wasn't clear who that was.  this is the only dead CONFIG_ variable
under drivers/ata so i figured i'd just submit the patch.

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index d211db6..5a4821a 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -985,16 +985,6 @@ int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info,
 		mask = (1 << 2) | (1 << 0);
 		if ((tmp8 & mask) != mask)
 			legacy_mode = (1 << 3);
-#if defined(CONFIG_NO_ATA_LEGACY)
-		/* Some platforms with PCI limits cannot address compat
-		   port space. In that case we punt if their firmware has
-		   left a device in compatibility mode */
-		if (legacy_mode) {
-			printk(KERN_ERR "ata: Compatibility mode ATA is not supported on this platform, skipping.\n");
-			rc = -EOPNOTSUPP;
-			goto err_out;
-		}
-#endif
 	}

 	/* alloc and init host */
-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://fsdev.net/wiki/index.php?title=Main_Page
========================================================================
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