This is a note to let you know that I've just added the patch titled
mtip32xx: fix incorrect value set for drv_cleanup_done, and
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:
mtip32xx-fix-incorrect-value-set-for-drv_cleanup_done-and.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 22be2e6e13ac09b20000582ac34d47fb0029a6da Mon Sep 17 00:00:00 2001
From: Asai Thambi S P <[email protected]>
Date: Fri, 23 Mar 2012 12:33:03 +0100
Subject: mtip32xx: fix incorrect value set for drv_cleanup_done, and
re-initialize and start port in mtip_restart_port()
From: Asai Thambi S P <[email protected]>
commit 22be2e6e13ac09b20000582ac34d47fb0029a6da upstream.
This patch includes two changes:
* fix incorrect value set for drv_cleanup_done
* re-initialize and start port in mtip_restart_port()
Signed-off-by: Asai Thambi S P <[email protected]>
Signed-off-by: Sam Bradshaw <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/block/mtip32xx/mtip32xx.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -422,6 +422,10 @@ static void mtip_init_port(struct mtip_p
/* Clear any pending interrupts for this port */
writel(readl(port->mmio + PORT_IRQ_STAT), port->mmio + PORT_IRQ_STAT);
+ /* Clear any pending interrupts on the HBA. */
+ writel(readl(port->dd->mmio + HOST_IRQ_STAT),
+ port->dd->mmio + HOST_IRQ_STAT);
+
/* Enable port interrupts */
writel(DEF_PORT_IRQ, port->mmio + PORT_IRQ_MASK);
}
@@ -490,11 +494,9 @@ static void mtip_restart_port(struct mti
dev_warn(&port->dd->pdev->dev,
"COM reset failed\n");
- /* Clear SError, the PxSERR.DIAG.x should be set so clear it */
- writel(readl(port->mmio + PORT_SCR_ERR), port->mmio + PORT_SCR_ERR);
+ mtip_init_port(port);
+ mtip_start_port(port);
- /* Enable the DMA engine */
- mtip_enable_engine(port, 1);
}
/*
@@ -3359,9 +3361,6 @@ static int mtip_pci_probe(struct pci_dev
return -ENOMEM;
}
- /* Set the atomic variable as 1 in case of SRSI */
- atomic_set(&dd->drv_cleanup_done, true);
-
atomic_set(&dd->resumeflag, false);
/* Attach the private data to this PCI device. */
@@ -3434,8 +3433,8 @@ iomap_err:
pci_set_drvdata(pdev, NULL);
return rv;
done:
- /* Set the atomic variable as 0 in case of SRSI */
- atomic_set(&dd->drv_cleanup_done, true);
+ /* Set the atomic variable as 0 */
+ atomic_set(&dd->drv_cleanup_done, false);
return rv;
}
@@ -3463,8 +3462,6 @@ static void mtip_pci_remove(struct pci_d
}
}
}
- /* Set the atomic variable as 1 in case of SRSI */
- atomic_set(&dd->drv_cleanup_done, true);
/* Clean up the block layer. */
mtip_block_remove(dd);
Patches currently in stable-queue which might be from [email protected]
are
queue-3.3/mtip32xx-fix-incorrect-value-set-for-drv_cleanup_done-and.patch
queue-3.3/block-mtip32xx-remove-hotplug_pci_pcie-dependancy.patch
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