From: Tejun Heo <htejun@gmail.com>
Date: Fri, 21 Sep 2007 11:07:14 +0000 (+0900)
Subject: libata: fix ata_set_max_sectors()
X-Git-Tag: firefly_0821_release~26007^2~44
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1e582ba4ef6264dd8cb73250ebff767d0624d684;p=firefly-linux-kernel-4.4.55.git

libata: fix ata_set_max_sectors()

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 <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 8b08e7bdd24d..fd4563daacd1 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -950,9 +950,12 @@ static int ata_set_max_sectors(struct ata_device *dev, u64 new_sectors)
 		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;