Patchwork [#upstream-fixes] ahci: add Acer G725 to broken suspend list

login
register
mail settings
Submitter Tejun Heo
Date Jan. 28, 2010, 7:04 a.m.
Message ID <4B6136EF.706@kernel.org>
Download mbox | patch
Permalink /patch/43850/
State Not Applicable
Delegated to: David Miller
Headers show

Comments

Tejun Heo - Jan. 28, 2010, 7:04 a.m.
Acer G725 shares the same suspend problem with the HP laptops which
lose ATA devices on resume.  New firmware which fixes the problem is
already available.  Add G725 with old firmwares to the broken suspend
list.

This problem has been reported in bko#15104.

  http://bugzilla.kernel.org/show_bug.cgi?id=15104

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Jani-Matti H├Ątinen <jani-matti.hatinen@iki.fi>
---
 drivers/ata/ahci.c |   15 +++++++++++++++
 1 file changed, 15 insertions(+)

--
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Patch

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index b8bea10..b343903 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -2868,6 +2868,21 @@  static bool ahci_broken_suspend(struct pci_dev *pdev)
 			},
 			.driver_data = "F.23",	/* cutoff BIOS version */
 		},
+		/*
+		 * Acer eMachines G725 has the same problem.  BIOS
+		 * V1.03 is known to be broken.  V3.04 is known to
+		 * work.  Inbetween, there are V1.06, V2.06 and V3.03
+		 * that we don't have much idea about.  For now,
+		 * blacklist anything older than V3.04.
+		 */
+		{
+			.ident = "G725",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
+			},
+			.driver_data = "V3.04",	/* cutoff BIOS version */
+		},
 		{ }	/* terminate list */
 	};
 	const struct dmi_system_id *dmi = dmi_first_match(sysids);