misc: pci_endpoint_test: Use full pci-endpoint-test name in request_irq()

Use full pci-endpoint-test name in request_irq(), so that it's easy to
profile the device that actually raised the interrupt.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index ef21d2d..bc3ae4a 100644 (file)
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -109,6 +109,7 @@ struct pci_endpoint_test {
        struct miscdevice miscdev;
        enum pci_barno test_reg_bar;
        size_t alignment;
+       const char *name;
 };
 
 struct pci_endpoint_test_data {
@@ -227,7 +228,7 @@ static bool pci_endpoint_test_request_irq(struct pci_endpoint_test *test)
        for (i = 0; i < test->num_irqs; i++) {
                err = devm_request_irq(dev, pci_irq_vector(pdev, i),
                                       pci_endpoint_test_irqhandler,
-                                      IRQF_SHARED, DRV_MODULE_NAME, test);
+                                      IRQF_SHARED, test->name, test);
                if (err)
                        goto fail;
        }
@@ -807,9 +808,6 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
        if (!pci_endpoint_test_alloc_irq_vectors(test, irq_type))
                goto err_disable_irq;
 
-       if (!pci_endpoint_test_request_irq(test))
-               goto err_disable_irq;
-
        for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
                if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
                        base = pci_ioremap_bar(pdev, bar);
@@ -839,12 +837,21 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
        }
 
        snprintf(name, sizeof(name), DRV_MODULE_NAME ".%d", id);
+       test->name = kstrdup(name, GFP_KERNEL);
+       if (!test->name) {
+               err = -ENOMEM;
+               goto err_ida_remove;
+       }
+
+       if (!pci_endpoint_test_request_irq(test))
+               goto err_kfree_test_name;
+
        misc_device = &test->miscdev;
        misc_device->minor = MISC_DYNAMIC_MINOR;
        misc_device->name = kstrdup(name, GFP_KERNEL);
        if (!misc_device->name) {
                err = -ENOMEM;
-               goto err_ida_remove;
+               goto err_release_irq;
        }
        misc_device->fops = &pci_endpoint_test_fops,
 
@@ -859,6 +866,12 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
 err_kfree_name:
        kfree(misc_device->name);
 
+err_release_irq:
+       pci_endpoint_test_release_irq(test);
+
+err_kfree_test_name:
+       kfree(test->name);
+
 err_ida_remove:
        ida_simple_remove(&pci_endpoint_test_ida, id);
 
@@ -867,7 +880,6 @@ err_iounmap:
                if (test->bar[bar])
                        pci_iounmap(pdev, test->bar[bar]);
        }
-       pci_endpoint_test_release_irq(test);
 
 err_disable_irq:
        pci_endpoint_test_free_irq_vectors(test);
@@ -893,6 +905,7 @@ static void pci_endpoint_test_remove(struct pci_dev *pdev)
 
        misc_deregister(&test->miscdev);
        kfree(misc_device->name);
+       kfree(test->name);
        ida_simple_remove(&pci_endpoint_test_ida, id);
        for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
                if (test->bar[bar])