diff options
Diffstat (limited to 'target/linux/coldfire/patches/044-Fix-Max3353-otg-toggle-bug.patch')
| -rw-r--r-- | target/linux/coldfire/patches/044-Fix-Max3353-otg-toggle-bug.patch | 26 |
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; |