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authorPeter Chen2013-08-14 11:44:14 +0200
committerGreg Kroah-Hartman2013-08-14 21:37:20 +0200
commitd268e9bc23f5df4a2f4167da246d277c2a468d3d (patch)
treec513252a12c3ef3ee16b864e9cfb91bf0d4fe406
parentusb: chipidea: udc: fix misuse of REGS_SHARED and PULLUP_ON_VBUS flags (diff)
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usb: chipidea: retire flag CI_HDRC_PULLUP_ON_VBUS
Currently, the controller only runs when the ci->vbus_active is true. So the flag CI_HDRC_PULLUP_ON_VBUS is useless no longer. If the user doesn't have otgsc, he/she needs to change ci_handle_vbus_change to update ci->vbus_active. Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/chipidea/ci_hdrc_imx.c1
-rw-r--r--drivers/usb/chipidea/ci_hdrc_msm.c1
-rw-r--r--drivers/usb/chipidea/udc.c24
-rw-r--r--include/linux/usb/chipidea.h1
4 files changed, 6 insertions, 21 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 30fdc2fd8771..cc53e63c9ce9 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -88,7 +88,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
.name = "ci_hdrc_imx",
.capoffset = DEF_CAPOFFSET,
.flags = CI_HDRC_REQUIRE_TRANSCEIVER |
- CI_HDRC_PULLUP_ON_VBUS |
CI_HDRC_DISABLE_STREAMING,
};
int ret;
diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
index fb657ef50a9c..2d51d852b474 100644
--- a/drivers/usb/chipidea/ci_hdrc_msm.c
+++ b/drivers/usb/chipidea/ci_hdrc_msm.c
@@ -49,7 +49,6 @@ static struct ci_hdrc_platform_data ci_hdrc_msm_platdata = {
.name = "ci_hdrc_msm",
.flags = CI_HDRC_REGS_SHARED |
CI_HDRC_REQUIRE_TRANSCEIVER |
- CI_HDRC_PULLUP_ON_VBUS |
CI_HDRC_DISABLE_STREAMING,
.notify_event = ci_hdrc_msm_notify_event,
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 45abf4d46a71..90c3572bd1b0 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1448,9 +1448,6 @@ static int ci_udc_vbus_session(struct usb_gadget *_gadget, int is_active)
unsigned long flags;
int gadget_ready = 0;
- if (!(ci->platdata->flags & CI_HDRC_PULLUP_ON_VBUS))
- return -EOPNOTSUPP;
-
spin_lock_irqsave(&ci->lock, flags);
ci->vbus_active = is_active;
if (ci->driver)
@@ -1635,13 +1632,11 @@ static int ci_udc_start(struct usb_gadget *gadget,
ci->driver = driver;
pm_runtime_get_sync(&ci->gadget.dev);
- if (ci->platdata->flags & CI_HDRC_PULLUP_ON_VBUS) {
- if (ci->vbus_active) {
- hw_device_reset(ci, USBMODE_CM_DC);
- } else {
- pm_runtime_put_sync(&ci->gadget.dev);
- goto done;
- }
+ if (ci->vbus_active) {
+ hw_device_reset(ci, USBMODE_CM_DC);
+ } else {
+ pm_runtime_put_sync(&ci->gadget.dev);
+ goto done;
}
retval = hw_device_state(ci, ci->ep0out->qh.dma);
@@ -1664,8 +1659,7 @@ static int ci_udc_stop(struct usb_gadget *gadget,
spin_lock_irqsave(&ci->lock, flags);
- if (!(ci->platdata->flags & CI_HDRC_PULLUP_ON_VBUS) ||
- ci->vbus_active) {
+ if (ci->vbus_active) {
hw_device_state(ci, 0);
if (ci->platdata->notify_event)
ci->platdata->notify_event(ci,
@@ -1800,12 +1794,6 @@ static int udc_start(struct ci_hdrc *ci)
}
}
- if (!(ci->platdata->flags & CI_HDRC_PULLUP_ON_VBUS)) {
- retval = hw_device_reset(ci, USBMODE_CM_DC);
- if (retval)
- goto put_transceiver;
- }
-
if (ci->transceiver) {
retval = otg_set_peripheral(ci->transceiver->otg,
&ci->gadget);
diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
index 10a607ce9090..7d399671a566 100644
--- a/include/linux/usb/chipidea.h
+++ b/include/linux/usb/chipidea.h
@@ -18,7 +18,6 @@ struct ci_hdrc_platform_data {
unsigned long flags;
#define CI_HDRC_REGS_SHARED BIT(0)
#define CI_HDRC_REQUIRE_TRANSCEIVER BIT(1)
-#define CI_HDRC_PULLUP_ON_VBUS BIT(2)
#define CI_HDRC_DISABLE_STREAMING BIT(3)
/*
* Only set it when DCCPARAMS.DC==1 and DCCPARAMS.HC==1,