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authorKishon Vijay Abraham I <kishon@ti.com>2020-03-17 15:31:55 +0530
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2020-04-02 17:57:10 +0100
commit475007f9cef0ef88ea9263529ad93a16849c49e8 (patch)
treed6474125b23781786c15a715c41b68193da535c8
parentb2ba9225e0313b1de631a44b7b48c109032bffec (diff)
downloadunicode-475007f9cef0ef88ea9263529ad93a16849c49e8.tar.gz
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>
-rw-r--r--drivers/misc/pci_endpoint_test.c10
-rw-r--r--include/uapi/linux/pcitest.h1
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index ca680635d7a950..bb8b94ac8d3bfc 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -652,6 +652,13 @@ err:
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,
int req_irq_type)
{
@@ -722,6 +729,9 @@ static long pci_endpoint_test_ioctl(struct file *file, unsigned int cmd,
case PCITEST_GET_IRQTYPE:
ret = irq_type;
break;
+ case PCITEST_CLEAR_IRQ:
+ ret = pci_endpoint_test_clear_irq(test);
+ break;
}
ret:
diff --git a/include/uapi/linux/pcitest.h b/include/uapi/linux/pcitest.h
index 8b868761f8b437..c3ab4c826297c9 100644
--- a/include/uapi/linux/pcitest.h
+++ b/include/uapi/linux/pcitest.h
@@ -19,6 +19,7 @@
#define PCITEST_MSIX _IOW('P', 0x7, int)
#define PCITEST_SET_IRQTYPE _IOW('P', 0x8, int)
#define PCITEST_GET_IRQTYPE _IO('P', 0x9)
+#define PCITEST_CLEAR_IRQ _IO('P', 0x10)
#define PCITEST_FLAGS_USE_DMA 0x00000001