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path: root/drivers/mailbox/mailbox-test.c
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Diffstat (limited to 'drivers/mailbox/mailbox-test.c')
-rw-r--r--drivers/mailbox/mailbox-test.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c
index fc6a12a51b40..22d6018ceec3 100644
--- a/drivers/mailbox/mailbox-test.c
+++ b/drivers/mailbox/mailbox-test.c
@@ -367,8 +367,7 @@ static int mbox_test_probe(struct platform_device *pdev)
return -ENOMEM;
/* It's okay for MMIO to be NULL */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- tdev->tx_mmio = devm_ioremap_resource(&pdev->dev, res);
+ tdev->tx_mmio = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (PTR_ERR(tdev->tx_mmio) == -EBUSY) {
/* if reserved area in SRAM, try just ioremap */
size = resource_size(res);
@@ -378,8 +377,7 @@ static int mbox_test_probe(struct platform_device *pdev)
}
/* If specified, second reg entry is Rx MMIO */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- tdev->rx_mmio = devm_ioremap_resource(&pdev->dev, res);
+ tdev->rx_mmio = devm_platform_get_and_ioremap_resource(pdev, 1, &res);
if (PTR_ERR(tdev->rx_mmio) == -EBUSY) {
size = resource_size(res);
tdev->rx_mmio = devm_ioremap(&pdev->dev, res->start, size);
@@ -390,7 +388,7 @@ static int mbox_test_probe(struct platform_device *pdev)
tdev->tx_channel = mbox_test_request_channel(pdev, "tx");
tdev->rx_channel = mbox_test_request_channel(pdev, "rx");
- if (!tdev->tx_channel && !tdev->rx_channel)
+ if (IS_ERR_OR_NULL(tdev->tx_channel) && IS_ERR_OR_NULL(tdev->rx_channel))
return -EPROBE_DEFER;
/* If Rx is not specified but has Rx MMIO, then Rx = Tx */