usb: musb: fix incorrect usage of resource pointer

We can't simply pass the resource pointer from our
device down to our children, otherwise module
reinsertion will not work as the resource will
continue to be marked as busy.

Fix it by building a proper struct resource for
our child musb device.

Tested-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 16 insertions, 2 deletions

diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index b903b744a224..0da6f648a9fe 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -476,6 +476,7 @@ static u64 da8xx_dmamask = DMA_BIT_MASK(32);
 
 static int da8xx_probe(struct platform_device *pdev)
 {
+        struct resource musb_resources[2];
         struct musb_hdrc_platform_data  *pdata = pdev->dev.platform_data;
         struct platform_device          *musb;
         struct da8xx_glue               *glue;
@@ -521,8 +522,21 @@ static int da8xx_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, glue);
 
-        ret = platform_device_add_resources(musb, pdev->resource,
-                        pdev->num_resources);
+        memset(musb_resources, 0x00, sizeof(*musb_resources) *
+                        ARRAY_SIZE(musb_resources));
+
+        musb_resources[0].name = pdev->resource[0].name;
+        musb_resources[0].start = pdev->resource[0].start;
+        musb_resources[0].end = pdev->resource[0].end;
+        musb_resources[0].flags = pdev->resource[0].flags;
+
+        musb_resources[1].name = pdev->resource[1].name;
+        musb_resources[1].start = pdev->resource[1].start;
+        musb_resources[1].end = pdev->resource[1].end;
+        musb_resources[1].flags = pdev->resource[1].flags;
+
+        ret = platform_device_add_resources(musb, musb_resources,
+                        ARRAY_SIZE(musb_resources));
         if (ret) {
                 dev_err(&pdev->dev, "failed to add resources\n");
                 goto err5;