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authorWilliam Wu <william.wu@rock-chips.com>2016-05-13 18:13:46 +0800
committerFelipe Balbi <felipe.balbi@linux.intel.com>2016-06-20 12:32:46 +0300
commit475c8beb35e129c2f33182f476373db04008892e (patch)
treec8ffa5787de734517d68a34d56e60f3e6c63dee7 /drivers/usb/dwc3/debugfs.c
parente77c561432bccf5ea9df2f49aa039c015529590e (diff)
downloadop-kernel-dev-475c8beb35e129c2f33182f476373db04008892e.zip
op-kernel-dev-475c8beb35e129c2f33182f476373db04008892e.tar.gz
usb: dwc3: add DWC3_GUCTL1 reg for debug
GUCTL1 reg has some useful functions which can be written by user. For rockchip platform, we set GUCTL1.DEV_FORCE_20_CLK_FOR_30_CLK (bit26, applicable for the core is programmed to operate in 2.0 device only) to 1 in bootrom, and after start the kernel, we want to check whether this bit can be reset to default 0 after the core reset. Dump GUCTL1 reg from debugfs is more convenient for us. Signed-off-by: William Wu <william.wu@rock-chips.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3/debugfs.c')
-rw-r--r--drivers/usb/dwc3/debugfs.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index 89c26e0..31926dd 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -70,6 +70,7 @@ static const struct debugfs_reg32 dwc3_regs[] = {
dump_register(GCTL),
dump_register(GEVTEN),
dump_register(GSTS),
+ dump_register(GUCTL1),
dump_register(GSNPSID),
dump_register(GGPIO),
dump_register(GUID),
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