xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

aacraid: Reset irq affinity hints

Browse Source 
Reset irq affinity hints before releasing IRQ.
Removed duplicate code of IRQ acquire/release.

Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Murthy Bhat <Murthy.Bhat@pmcs.com>
Reviewed-by: Karthikeya Sunkesula <Karthikeya.Sunkesula@pmcs.com>
Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Mahesh Rajashekhara
2015-08-28 06:38:38 -04:00
committed by James Bottomley
parent 55b8760847
commit 8b1462e0eb
3 changed files with 86 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/scsi/aacraid/src.c
View File

@@ -798,9 +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;
@@ -918,48 +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 (aac_acquire_irq(dev))
goto error_iounmap;
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;
}
}
dev->dbg_base = dev->base_start;
dev->dbg_base_mapped = dev->base;
dev->dbg_size = dev->base_size;