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c0e1a6f342
Backport of upstream commits: 86e4cb35f2260374df4139c2352afe7fe247cb60 usb: host: ehci-platform: BUG_ON() to WARN_ON() on probe b6dd245c4594482d46507a0bfd100439be367952 usb: host: ohci-platform: BUG_ON() to WARN_ON() on probe 04216bedafb1b3992a6c2b7f1518281d2ba5fc7b usb: host: ehci-platform: add platform specific power callback e4d37aeb373a5edceecc1dadc76fabbe8bc18e44 usb: host: ohci-platform: addplatform specific power callback Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 34842
37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
From 86e4cb35f2260374df4139c2352afe7fe247cb60 Mon Sep 17 00:00:00 2001
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From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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Date: Mon, 6 Aug 2012 18:06:53 -0700
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Subject: [PATCH] usb: host: ehci-platform: BUG_ON() to WARN_ON() on probe
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Commit 86e4cb35f2260374df4139c2352afe7fe247cb60 upstream.
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usb_ehci_pdata is certainly required in ehci-platform driver.
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This patch avoids using BUG_ON() from driver,
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and return from probe with WARN_ON() if pdata was NULL.
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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Acked-by: Alan Stern <stern@rowland.harvard.edu>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/usb/host/ehci-platform.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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--- a/drivers/usb/host/ehci-platform.c
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+++ b/drivers/usb/host/ehci-platform.c
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@@ -82,10 +82,14 @@ static int __devinit ehci_platform_probe
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{
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struct usb_hcd *hcd;
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struct resource *res_mem;
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+ struct usb_ehci_pdata *pdata = dev->dev.platform_data;
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int irq;
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int err = -ENOMEM;
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- BUG_ON(!dev->dev.platform_data);
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+ if (!pdata) {
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+ WARN_ON(1);
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+ return -ENODEV;
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+ }
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if (usb_disabled())
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return -ENODEV;
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