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-rw-r--r--drivers/mailbox/mailbox-test.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c
index 4e2bfba39d52..4e4ac4be6423 100644
--- a/drivers/mailbox/mailbox-test.c
+++ b/drivers/mailbox/mailbox-test.c
@@ -363,22 +363,24 @@ static int mbox_test_probe(struct platform_device *pdev)
/* It's okay for MMIO to be NULL */
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- size = resource_size(res);
tdev->tx_mmio = devm_ioremap_resource(&pdev->dev, res);
- if (PTR_ERR(tdev->tx_mmio) == -EBUSY)
+ if (PTR_ERR(tdev->tx_mmio) == -EBUSY) {
/* if reserved area in SRAM, try just ioremap */
+ size = resource_size(res);
tdev->tx_mmio = devm_ioremap(&pdev->dev, res->start, size);
- else if (IS_ERR(tdev->tx_mmio))
+ } else if (IS_ERR(tdev->tx_mmio)) {
tdev->tx_mmio = NULL;
+ }
/* If specified, second reg entry is Rx MMIO */
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- size = resource_size(res);
tdev->rx_mmio = devm_ioremap_resource(&pdev->dev, res);
- if (PTR_ERR(tdev->rx_mmio) == -EBUSY)
+ if (PTR_ERR(tdev->rx_mmio) == -EBUSY) {
+ size = resource_size(res);
tdev->rx_mmio = devm_ioremap(&pdev->dev, res->start, size);
- else if (IS_ERR(tdev->rx_mmio))
+ } else if (IS_ERR(tdev->rx_mmio)) {
tdev->rx_mmio = tdev->tx_mmio;
+ }
tdev->tx_channel = mbox_test_request_channel(pdev, "tx");
tdev->rx_channel = mbox_test_request_channel(pdev, "rx");