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authorDaniel Tang <dt.tangr@gmail.com>2015-02-11 12:44:58 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-03-18 16:19:11 +0100
commit905276c4319174d52de0e45fc9b22f599497be47 (patch)
treeab9f3deb33459b81fdd12d371262b402eb0c5a76 /drivers/usb/chipidea/host.c
parent89200448a01d9d07a1ee5cc42e8b847f86cdaf7c (diff)
Chipidea: Set connect-at-fullspeed bit when entering host mode if CI_HDRC_FORCE_FULLSPEED is set in the platform data
PORTSC_PFSC is not set on entering host mode which means the USB OTG controller will attempt to enumerate USB devices at high speed even when the CI_HDRC_FORCE_FULLSPEED flag is set in the platform data. This patch ensures it is set right before host mode operations begin if needed. Signed-off-by: Daniel Tang <dt.tangr@gmail.com> Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/host.c')
-rw-r--r--drivers/usb/chipidea/host.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index 48731d0bab35..12edbd0c998a 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -133,6 +133,9 @@ static int host_start(struct ci_hdrc *ci)
if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
+ if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED)
+ hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC);
+
return ret;
put_hcd: