This is a note to let you know that I've just added the patch titled
ahci_platform: add STRICT_AHCI platform type
to the 3.3-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:
ahci_platform-add-strict_ahci-platform-type.patch
and it can be found in the queue-3.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From d408e2b14fba4fa214fa5bc24b7baae8a55e563c Mon Sep 17 00:00:00 2001
From: Brian Norris <[email protected]>
Date: Tue, 21 Feb 2012 10:38:44 -0800
Subject: ahci_platform: add STRICT_AHCI platform type
From: Brian Norris <[email protected]>
commit d408e2b14fba4fa214fa5bc24b7baae8a55e563c upstream.
Some platforms need to make use of the AHCI_HFLAG_DELAY_ENGINE flag.
Signed-off-by: Brian Norris <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/ata/ahci_platform.c | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -26,6 +26,7 @@
enum ahci_type {
AHCI, /* standard platform ahci */
IMX53_AHCI, /* ahci on i.mx53 */
+ STRICT_AHCI, /* delayed DMA engine start */
};
static struct platform_device_id ahci_devtype[] = {
@@ -36,6 +37,9 @@ static struct platform_device_id ahci_de
.name = "imx53-ahci",
.driver_data = IMX53_AHCI,
}, {
+ .name = "strict-ahci",
+ .driver_data = STRICT_AHCI,
+ }, {
/* sentinel */
}
};
@@ -56,6 +60,13 @@ static const struct ata_port_info ahci_p
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_pmp_retry_srst_ops,
},
+ [STRICT_AHCI] = {
+ AHCI_HFLAGS (AHCI_HFLAG_DELAY_ENGINE),
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ },
};
static struct scsi_host_template ahci_platform_sht = {
Patches currently in stable-queue which might be from
[email protected] are
queue-3.3/ahci-add-ahci_hflag_delay_engine-host-flag.patch
queue-3.3/ahci-move-ahci_hflags-macro-to-ahci.h.patch
queue-3.3/ahci_platform-add-strict_ahci-platform-type.patch
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