From: Ashish Kalra <Ashish.Kalra@xxxxxxxxxxxxx>
Date: Fri, 26 Jun 2009 15:46:02 +0530
Subject: [PATCH][v2] sata_fsl: Add asynchronous notification support
Enable device hot-plug support on Port multiplier fan-out ports
Signed-off-by: Ashish Kalra <Ashish.Kalra@xxxxxxxxxxxxx>
---
drivers/ata/sata_fsl.c | 10 ++++++++--
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 94eaa43..5751145 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -34,7 +34,7 @@ enum {
SATA_FSL_HOST_FLAGS = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
- ATA_FLAG_PMP | ATA_FLAG_NCQ),
+ ATA_FLAG_PMP | ATA_FLAG_NCQ | ATA_FLAG_AN),
SATA_FSL_MAX_CMDS = SATA_FSL_QUEUE_DEPTH,
SATA_FSL_CMD_HDR_SIZE = 16, /* 4 DWORDS */
@@ -132,7 +132,7 @@ enum {
INT_ON_SINGL_DEVICE_ERR = (1 << 1),
INT_ON_CMD_COMPLETE = 1,
- INT_ON_ERROR = INT_ON_FATAL_ERR |
+ INT_ON_ERROR = INT_ON_FATAL_ERR | INT_ON_SNOTIFY_UPDATE |
INT_ON_PHYRDY_CHG | INT_ON_SINGL_DEVICE_ERR,
/*
@@ -154,6 +154,7 @@ enum {
DEFAULT_PORT_IRQ_ENABLE_MASK = IE_ON_FATAL_ERR | IE_ON_PHYRDY_CHG |
IE_ON_SIGNATURE_UPDATE |
+ IE_ON_SNOTIFY_UPDATE |
IE_ON_SINGL_DEVICE_ERR | IE_ON_CMD_COMPLETE,
EXT_INDIRECT_SEG_PRD_FLAG = (1 << 31),
@@ -1003,6 +1004,11 @@ static void sata_fsl_error_intr(struct ata_port *ap)
freeze = 1;
}
+ /* Handle SDB FIS receive & notify update */
+ if (hstatus & INT_ON_SNOTIFY_UPDATE) {
+ sata_async_notification(ap);
+ }
+
/* Handle PHYRDY change notification */
if (hstatus & INT_ON_PHYRDY_CHG) {
DPRINTK("SATA FSL: PHYRDY change indication\n");
--
1.6.0
--
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