[PATCH 5/7] i3c: mipi-i3c-hci-pci: Define default driver data

[Adrian Hunter]

Define default driver data, to save having to repeatedly check for NULL.

Signed-off-by: Adrian Hunter <adrian.hunter at intel.com>
---
 drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c b/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
index dc8ede0f8ad8..ccaec5d3d248 100644
--- a/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
+++ b/drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c
@@ -184,6 +184,9 @@ static const struct mipi_i3c_hci_pci_info intel_info = {
 	.exit = intel_i3c_exit,
 };
 
+static const struct mipi_i3c_hci_pci_info dflt_info = {
+};
+
 static int mipi_i3c_hci_pci_probe(struct pci_dev *pci,
 				  const struct pci_device_id *id)
 {
@@ -228,8 +231,8 @@ static int mipi_i3c_hci_pci_probe(struct pci_dev *pci,
 	if (ret)
 		goto err;
 
-	hci->info = (const struct mipi_i3c_hci_pci_info *)id->driver_data;
-	if (hci->info && hci->info->init) {
+	hci->info = (const struct mipi_i3c_hci_pci_info *)id->driver_data ?: &dflt_info;
+	if (hci->info->init) {
 		ret = hci->info->init(hci);
 		if (ret)
 			goto err;
@@ -244,7 +247,7 @@ static int mipi_i3c_hci_pci_probe(struct pci_dev *pci,
 	return 0;
 
 err_exit:
-	if (hci->info && hci->info->exit)
+	if (hci->info->exit)
 		hci->info->exit(hci);
 err:
 	platform_device_put(hci->pdev);
@@ -258,7 +261,7 @@ static void mipi_i3c_hci_pci_remove(struct pci_dev *pci)
 	struct platform_device *pdev = hci->pdev;
 	int dev_id = pdev->id;
 
-	if (hci->info && hci->info->exit)
+	if (hci->info->exit)
 		hci->info->exit(hci);
 
 	platform_device_unregister(pdev);
-- 
2.51.0