The patch below does not apply to the 3.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From ea78201e2e08f8a91e30100c4c4a908b5cf295fc Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov <[email protected]> Date: Sun, 22 Sep 2013 01:43:58 +0400 Subject: [PATCH] usb: musb: davinci: fix resources passed to MUSB driver for DM6467 After commit 09fc7d22b024692b2fe8a943b246de1af307132b (usb: musb: fix incorrect usage of resource pointer), CPPI DMA driver on DaVinci DM6467 can't detect its dedicated IRQ and so the MUSB IRQ is erroneously used instead. This is because only 2 resources are passed to the MUSB driver from the DaVinci glue layer, so fix this by always copying 3 resources (it's safe since a placeholder for the 3rd resource is always there) and passing 'pdev->num_resources' instead of the size of musb_resources[] to platform_device_add_resources(). Cc: <[email protected]> # 3.11+ Signed-off-by: Sergei Shtylyov <[email protected]> Signed-off-by: Felipe Balbi <[email protected]> diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index 45aae0bb..1121fd74 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -513,7 +513,7 @@ static const struct platform_device_info davinci_dev_info = { static int davinci_probe(struct platform_device *pdev) { - struct resource musb_resources[2]; + struct resource musb_resources[3]; struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev); struct platform_device *musb; struct davinci_glue *glue; @@ -561,6 +561,15 @@ static int davinci_probe(struct platform_device *pdev) musb_resources[1].end = pdev->resource[1].end; musb_resources[1].flags = pdev->resource[1].flags; + /* + * For DM6467 3 resources are passed. A placeholder for the 3rd + * resource is always there, so it's safe to always copy it... + */ + musb_resources[2].name = pdev->resource[2].name; + musb_resources[2].start = pdev->resource[2].start; + musb_resources[2].end = pdev->resource[2].end; + musb_resources[2].flags = pdev->resource[2].flags; + pinfo = davinci_dev_info; pinfo.parent = &pdev->dev; pinfo.res = musb_resources; -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
