Attachment 173823 Details for Bug 325552

[patch] libata-fix-set_max_sectors

libata-fix-set_max_sectors (text/plain), 1.00 KB, created by Tejun Heo on 2007-09-21 10:24:35 UTC

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Creator: Tejun Heo

Created: 2007-09-21 10:24:35 UTC

Size: 1.00 KB

patch

obsolete

>From: Tejun Heo <teheo@suse.de>
>Subject: [PATCH] libata: fix ata_set_max_sectors()
>References: 325552
>Patch-Mainline: will be submitted after verified
>
>In ata_set_max_sectors(), the highest nibble in LBA28 mode was
>missing.  This made drives sized between 8G and 128G with HPA turned
>on to be resized to under 8G.  Fix it.
>
>Signed-off-by: Tejun Heo <teheo@suse.de>
>---
> drivers/ata/libata-core.c |    5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
>Index: linux-2.6.22/drivers/ata/libata-core.c
>===================================================================
>--- linux-2.6.22.orig/drivers/ata/libata-core.c
>+++ linux-2.6.22/drivers/ata/libata-core.c
>@@ -975,9 +975,12 @@ static int ata_set_max_sectors(struct at
> 		tf.hob_lbal = (new_sectors >> 24) & 0xff;
> 		tf.hob_lbam = (new_sectors >> 32) & 0xff;
> 		tf.hob_lbah = (new_sectors >> 40) & 0xff;
>-	} else
>+	} else {
> 		tf.command = ATA_CMD_SET_MAX;
> 
>+		tf.device |= (new_sectors >> 24) & 0xf;
>+	}
>+
> 	tf.protocol |= ATA_PROT_NODATA;
> 	tf.device |= ATA_LBA;
>

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