From bd1aac809ddbcf7772cfd809d8cfb29c729c6cf9 Mon Sep 17 00:00:00 2001 From: Mark Haverkamp Date: Wed, 3 Aug 2005 15:39:01 -0700 Subject: [SCSI] aacraid: driver shutdown method Add in pci shutdown method so that the adapter shuts down correctly and flushes its cache. Shutdown should also disable the adapter's interrupt when shutdown (in particularly if the driver is rmmod'd) to prevent spurious hardware activities. Signed-off-by: Mark Haverkamp Signed-off-by: James Bottomley --- drivers/scsi/aacraid/rkt.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers/scsi/aacraid/rkt.c') diff --git a/drivers/scsi/aacraid/rkt.c b/drivers/scsi/aacraid/rkt.c index 7d68b782513..557287a0b80 100644 --- a/drivers/scsi/aacraid/rkt.c +++ b/drivers/scsi/aacraid/rkt.c @@ -87,6 +87,16 @@ static irqreturn_t aac_rkt_intr(int irq, void *dev_id, struct pt_regs *regs) return IRQ_NONE; } +/** + * aac_rkt_disable_interrupt - Disable interrupts + * @dev: Adapter + */ + +static void aac_rkt_disable_interrupt(struct aac_dev *dev) +{ + rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); +} + /** * rkt_sync_cmd - send a command and wait * @dev: Adapter @@ -412,10 +422,19 @@ int aac_rkt_init(struct aac_dev *dev) * Fill in the function dispatch table. */ dev->a_ops.adapter_interrupt = aac_rkt_interrupt_adapter; + dev->a_ops.adapter_disable_int = aac_rkt_disable_interrupt; dev->a_ops.adapter_notify = aac_rkt_notify_adapter; dev->a_ops.adapter_sync_cmd = rkt_sync_cmd; dev->a_ops.adapter_check_health = aac_rkt_check_health; + /* + * First clear out all interrupts. Then enable the one's that we + * can handle. + */ + rkt_writeb(dev, MUnit.OIMR, 0xff); + rkt_writel(dev, MUnit.ODR, 0xffffffff); + rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); + if (aac_init_adapter(dev) == NULL) goto error_irq; /* @@ -438,6 +457,7 @@ error_kfree: kfree(dev->queues); error_irq: + rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); free_irq(dev->scsi_host_ptr->irq, (void *)dev); error_iounmap: -- cgit v1.2.3