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misc: pci_endpoint_test: Add ioctl to clear IRQ 

Add ioctl to clear IRQ which can be used to free the allocated
IRQ vectors and free the requested IRQ.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
This commit is contained in:
Kishon Vijay Abraham I 2020-03-17 15:31:55 +05:30 committed by Lorenzo Pieralisi
parent b2ba9225e0
commit 475007f9ce
2 changed files with 11 additions and 0 deletions
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10
drivers/misc/pci_endpoint_test.c
View File

@ -652,6 +652,13 @@ err:
return ret; return ret;
} }
static bool pci_endpoint_test_clear_irq(struct pci_endpoint_test *test)
{
pci_endpoint_test_release_irq(test);
pci_endpoint_test_free_irq_vectors(test);
return true;
}
static bool pci_endpoint_test_set_irq(struct pci_endpoint_test *test, static bool pci_endpoint_test_set_irq(struct pci_endpoint_test *test,
int req_irq_type) int req_irq_type)
{ {
@ -722,6 +729,9 @@ static long pci_endpoint_test_ioctl(struct file *file, unsigned int cmd,
case PCITEST_GET_IRQTYPE: case PCITEST_GET_IRQTYPE:
ret = irq_type; ret = irq_type;
break; break;
case PCITEST_CLEAR_IRQ:
ret = pci_endpoint_test_clear_irq(test);
break;
} }
ret: ret:

1
include/uapi/linux/pcitest.h
View File

@ -19,6 +19,7 @@
#define PCITEST_MSIX _IOW('P', 0x7, int) #define PCITEST_MSIX _IOW('P', 0x7, int)
#define PCITEST_SET_IRQTYPE _IOW('P', 0x8, int) #define PCITEST_SET_IRQTYPE _IOW('P', 0x8, int)
#define PCITEST_GET_IRQTYPE _IO('P', 0x9) #define PCITEST_GET_IRQTYPE _IO('P', 0x9)
#define PCITEST_CLEAR_IRQ _IO('P', 0x10)
#define PCITEST_FLAGS_USE_DMA 0x00000001 #define PCITEST_FLAGS_USE_DMA 0x00000001