From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/drivers/scsi/aacraid/src.c | 66 +++++++++++---------------------------- 1 file changed, 18 insertions(+), 48 deletions(-) (limited to 'kernel/drivers/scsi/aacraid/src.c') diff --git a/kernel/drivers/scsi/aacraid/src.c b/kernel/drivers/scsi/aacraid/src.c index 4596e9dd7..2aa34ea8c 100644 --- a/kernel/drivers/scsi/aacraid/src.c +++ b/kernel/drivers/scsi/aacraid/src.c @@ -46,7 +46,7 @@ static int aac_src_get_sync_status(struct aac_dev *dev); -irqreturn_t aac_src_intr_message(int irq, void *dev_id) +static irqreturn_t aac_src_intr_message(int irq, void *dev_id) { struct aac_msix_ctx *ctx; struct aac_dev *dev; @@ -447,6 +447,10 @@ static int aac_src_deliver_message(struct fib *fib) u32 fibsize; dma_addr_t address; struct aac_fib_xporthdr *pFibX; +#if !defined(writeq) + unsigned long flags; +#endif + u16 hdr_size = le16_to_cpu(fib->hw_fib_va->header.Size); atomic_inc(&q->numpending); @@ -511,10 +515,14 @@ static int aac_src_deliver_message(struct fib *fib) return -EINVAL; address |= fibsize; } - +#if defined(writeq) + src_writeq(dev, MUnit.IQ_L, (u64)address); +#else + spin_lock_irqsave(&fib->dev->iq_lock, flags); src_writel(dev, MUnit.IQ_H, upper_32_bits(address) & 0xffffffff); src_writel(dev, MUnit.IQ_L, address & 0xffffffff); - + spin_unlock_irqrestore(&fib->dev->iq_lock, flags); +#endif return 0; } @@ -726,6 +734,7 @@ int aac_src_init(struct aac_dev *dev) dev->a_ops.adapter_sync_cmd = src_sync_cmd; dev->a_ops.adapter_check_health = aac_src_check_health; dev->a_ops.adapter_restart = aac_src_restart_adapter; + dev->a_ops.adapter_start = aac_src_start_adapter; /* * First clear out all interrupts. Then enable the one's that we @@ -741,7 +750,7 @@ int aac_src_init(struct aac_dev *dev) if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE1) goto error_iounmap; - dev->msi = aac_msi && !pci_enable_msi(dev->pdev); + dev->msi = !pci_enable_msi(dev->pdev); dev->aac_msix[0].vector_no = 0; dev->aac_msix[0].dev = dev; @@ -789,9 +798,7 @@ int aac_srcv_init(struct aac_dev *dev) unsigned long status; int restart = 0; int instance = dev->id; - int i, j; const char *name = dev->name; - int cpu; dev->a_ops.adapter_ioremap = aac_srcv_ioremap; dev->a_ops.adapter_comm = aac_src_select_comm; @@ -892,6 +899,7 @@ int aac_srcv_init(struct aac_dev *dev) dev->a_ops.adapter_sync_cmd = src_sync_cmd; dev->a_ops.adapter_check_health = aac_src_check_health; dev->a_ops.adapter_restart = aac_src_restart_adapter; + dev->a_ops.adapter_start = aac_src_start_adapter; /* * First clear out all interrupts. Then enable the one's that we @@ -908,48 +916,10 @@ int aac_srcv_init(struct aac_dev *dev) goto error_iounmap; if (dev->msi_enabled) aac_src_access_devreg(dev, AAC_ENABLE_MSIX); - if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) { - cpu = cpumask_first(cpu_online_mask); - for (i = 0; i < dev->max_msix; i++) { - dev->aac_msix[i].vector_no = i; - dev->aac_msix[i].dev = dev; - - if (request_irq(dev->msixentry[i].vector, - dev->a_ops.adapter_intr, - 0, - "aacraid", - &(dev->aac_msix[i]))) { - printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n", - name, instance, i); - for (j = 0 ; j < i ; j++) - free_irq(dev->msixentry[j].vector, - &(dev->aac_msix[j])); - pci_disable_msix(dev->pdev); - goto error_iounmap; - } - if (irq_set_affinity_hint( - dev->msixentry[i].vector, - get_cpu_mask(cpu))) { - printk(KERN_ERR "%s%d: Failed to set IRQ affinity for cpu %d\n", - name, instance, cpu); - } - cpu = cpumask_next(cpu, cpu_online_mask); - } - } else { - dev->aac_msix[0].vector_no = 0; - dev->aac_msix[0].dev = dev; - - if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, - IRQF_SHARED, - "aacraid", - &(dev->aac_msix[0])) < 0) { - if (dev->msi) - pci_disable_msi(dev->pdev); - printk(KERN_ERR "%s%d: Interrupt unavailable.\n", - name, instance); - goto error_iounmap; - } - } + + if (aac_acquire_irq(dev)) + goto error_iounmap; + dev->dbg_base = dev->base_start; dev->dbg_base_mapped = dev->base; dev->dbg_size = dev->base_size; -- cgit 1.2.3-korg