This is a note to let you know that I've just added the patch titled
libata: ahci: Add support for Enmotus Bobcat device.
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
libata-ahci-add-support-for-enmotus-bobcat-device.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 7f9c9f8e24590e7dcd26ca408458c43df5b83e61 Mon Sep 17 00:00:00 2001
From: Hugh Daschbach <[email protected]>
Date: Fri, 4 Jan 2013 14:39:09 -0800
Subject: libata: ahci: Add support for Enmotus Bobcat device.
From: Hugh Daschbach <[email protected]>
commit 7f9c9f8e24590e7dcd26ca408458c43df5b83e61 upstream.
Silicon does not support standard AHCI BAR assignment. Add
vendor/device exception to force BAR 2.
Signed-off-by: Hugh Daschbach <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/ata/ahci.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -53,6 +53,7 @@
enum {
AHCI_PCI_BAR_STA2X11 = 0,
+ AHCI_PCI_BAR_ENMOTUS = 2,
AHCI_PCI_BAR_STANDARD = 5,
};
@@ -407,6 +408,9 @@ static const struct pci_device_id ahci_p
/* Asmedia */
{ PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1061 */
+ /* Enmotus */
+ { PCI_DEVICE(0x1c44, 0x8000), board_ahci },
+
/* Generic, PCI class code for AHCI */
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci },
@@ -1079,9 +1083,11 @@ static int ahci_init_one(struct pci_dev
dev_info(&pdev->dev,
"PDC42819 can only drive SATA devices with this
driver\n");
- /* The Connext uses non-standard BAR */
+ /* Both Connext and Enmotus devices use non-standard BARs */
if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06)
ahci_pci_bar = AHCI_PCI_BAR_STA2X11;
+ else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000)
+ ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS;
/* acquire resources */
rc = pcim_enable_device(pdev);
Patches currently in stable-queue which might be from
[email protected] are
queue-3.4/libata-ahci-add-support-for-enmotus-bobcat-device.patch
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