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[U-Boot,v2,batch,4,26/29] powerpc/usb: Fix usb device-tree fix-up

Message ID 1364233225-31262-26-git-send-email-yorksun@freescale.com
State Superseded
Delegated to: Andy Fleming
Headers show

Commit Message

York Sun March 25, 2013, 5:40 p.m. UTC 
From: Ramneek Mehresh <ramneek.mehresh@freescale.com>

Fix USB device-tree fixup to properly handle device-tree fixup and
print appropriate message when wrong/junk "dr_mode" or "phy_type"
are mentioned in hwconfig string

Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
---
 arch/powerpc/cpu/mpc8xxx/fdt.c |    5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c
index 2847094..26dc5f0 100644
--- a/arch/powerpc/cpu/mpc8xxx/fdt.c
+++ b/arch/powerpc/cpu/mpc8xxx/fdt.c
@@ -167,6 +167,11 @@  void fdt_fixup_dr_usb(void *blob, bd_t *bd)
 				}
 			}
 
+			if (mode_idx < 0 || phy_idx < 0) {
+				printf("WARNING: wrong usb mode/phy defined!!\n");
+				return;
+			}
+
 			dr_mode_type = modes[mode_idx];
 			dr_phy_type = phys[phy_idx];