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-rw-r--r--target/linux/coldfire/patches/044-Fix-Max3353-otg-toggle-bug.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/coldfire/patches/044-Fix-Max3353-otg-toggle-bug.patch b/target/linux/coldfire/patches/044-Fix-Max3353-otg-toggle-bug.patch
new file mode 100644
index 0000000000..218d49cd3a
--- /dev/null
+++ b/target/linux/coldfire/patches/044-Fix-Max3353-otg-toggle-bug.patch
@@ -0,0 +1,26 @@
+From ff4fb46407f3aee09432a897822e4934d5c6b3ff Mon Sep 17 00:00:00 2001
+From: Jingchang Lu <b35083@freescale.com>
+Date: Thu, 4 Aug 2011 09:59:54 +0800
+Subject: [PATCH 44/52] Fix Max3353 otg toggle bug
+
+The max3353 charge pump work with SOC FS/LS transceiver,
+during dual role toggle, the root hub port should be powered
+off to disable port status detection when suspend host mode,
+otherwise it won't work properly when switch to host mode.
+
+Signed-off-by: Jingchang Lu <b35083@freescale.com>
+---
+ drivers/usb/host/ehci-fsl.c | 2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+--- a/drivers/usb/host/ehci-fsl.c
++++ b/drivers/usb/host/ehci-fsl.c
+@@ -528,7 +528,7 @@ static int ehci_fsl_suspend(struct devic
+ pdata->pm_portsc &= cpu_to_hc32(ehci, ~PORT_RWC_BITS);
+
+ pdata->suspended = 1;
+-#if 0
++#if defined(CONFIG_USB_M5441X_MAX3353_FSLS)
+ /* clear PP to cut power to the port */
+ tmp = ehci_readl(ehci, &ehci->regs->port_status[0]);
+ tmp &= ~PORT_POWER;