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Message-Id: <fa7fbdfa7498a9cd6d919403dda67c59a48f169a.1314028707.git.mina86@mina86.com>
Date: Mon, 22 Aug 2011 18:04:20 +0200
From: Michal Nazarewicz <mnazarewicz@...gle.com>
To: Alan Stern <stern@...land.harvard.edu>, Felipe Balbi <balbi@...com>
Cc: "Sebastian Andrzej Siewior" <bigeasy@...utronix.de>,
"Yang Rui Rui" <ruirui.r.yang@...to.com>,
"Dave Young" <hidave.darkstar@...il.com>,
linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCHv4 2/4] usb: gadget: replace "is_dualspeed" with "max_speed"
From: Michal Nazarewicz <mina86@...a86.com>
This commit replaces usb_gadget's is_dualspeed field with
a max_speed field.
Signed-off-by: Michal Nazarewicz <mina86@...a86.com>
---
drivers/usb/gadget/amd5536udc.c | 2 +-
drivers/usb/gadget/atmel_usba_udc.c | 2 +-
drivers/usb/gadget/ci13xxx_udc.c | 7 +++++--
drivers/usb/gadget/dummy_hcd.c | 2 +-
drivers/usb/gadget/epautoconf.c | 6 +++---
drivers/usb/gadget/fsl_udc_core.c | 2 +-
drivers/usb/gadget/fusb300_udc.c | 2 +-
drivers/usb/gadget/goku_udc.c | 1 +
drivers/usb/gadget/langwell_udc.c | 2 +-
drivers/usb/gadget/m66592-udc.c | 2 +-
drivers/usb/gadget/mv_udc_core.c | 2 +-
drivers/usb/gadget/net2272.c | 2 +-
drivers/usb/gadget/net2280.c | 2 +-
drivers/usb/gadget/omap_udc.c | 1 +
drivers/usb/gadget/pch_udc.c | 2 +-
drivers/usb/gadget/printer.c | 4 ++--
drivers/usb/gadget/r8a66597-udc.c | 2 +-
drivers/usb/gadget/s3c-hsotg.c | 2 +-
drivers/usb/gadget/s3c-hsudc.c | 2 +-
drivers/usb/gadget/udc-core.c | 24 +++++++++++++++++++-----
drivers/usb/musb/musb_gadget.c | 2 +-
drivers/usb/renesas_usbhs/mod_gadget.c | 2 +-
include/linux/usb/gadget.h | 10 +++++-----
23 files changed, 52 insertions(+), 33 deletions(-)
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index 397c9b9..8b684b0 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -3358,7 +3358,7 @@ static int udc_probe(struct udc *dev)
dev_set_name(&dev->gadget.dev, "gadget");
dev->gadget.dev.release = gadget_release;
dev->gadget.name = name;
- dev->gadget.is_dualspeed = 1;
+ dev->gadget.max_speed = USB_SPEED_HIGH;
/* init registers, interrupts, ... */
startup_registers(dev);
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 2507a34..cb87090 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -1038,7 +1038,7 @@ static struct usba_udc the_udc = {
.gadget = {
.ops = &usba_udc_ops,
.ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list),
- .is_dualspeed = 1,
+ .max_speed = USB_SPEED_HIGH,
.name = "atmel_usba_udc",
.dev = {
.init_name = "gadget",
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index 1265a85..b877464 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -751,8 +751,11 @@ static ssize_t show_device(struct device *dev, struct device_attribute *attr,
n += scnprintf(buf + n, PAGE_SIZE - n, "speed = %d\n",
gadget->speed);
+ n += scnprintf(buf + n, PAGE_SIZE - n, "max_speed = %d\n",
+ gadget->max_speed);
+ /* Provide "is_dualspeed" for backward compatibility. */
n += scnprintf(buf + n, PAGE_SIZE - n, "is_dualspeed = %d\n",
- gadget->is_dualspeed);
+ gadget_is_dualspeed(gadget));
n += scnprintf(buf + n, PAGE_SIZE - n, "is_otg = %d\n",
gadget->is_otg);
n += scnprintf(buf + n, PAGE_SIZE - n, "is_a_peripheral = %d\n",
@@ -2866,7 +2869,7 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev,
udc->gadget.ops = &usb_gadget_ops;
udc->gadget.speed = USB_SPEED_UNKNOWN;
- udc->gadget.is_dualspeed = 1;
+ udc->gadget.max_speed = USB_SPEED_HIGH;
udc->gadget.is_otg = 0;
udc->gadget.name = driver->name;
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index e755a9d..03f074f 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -986,7 +986,7 @@ static int dummy_udc_probe (struct platform_device *pdev)
dum->gadget.name = gadget_name;
dum->gadget.ops = &dummy_ops;
- dum->gadget.is_dualspeed = 1;
+ dum->gadget.max_speed = USB_SPEED_SUPER;
dev_set_name(&dum->gadget.dev, "gadget");
dum->gadget.dev.parent = &pdev->dev;
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 7a7e6b7..5b40f4b 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -162,7 +162,7 @@ ep_matches (
switch (type) {
case USB_ENDPOINT_XFER_INT:
/* INT: limit 64 bytes full speed, 1024 high/super speed */
- if (!gadget->is_dualspeed && max > 64)
+ if (!gadget_is_dualspeed(gadget) && max > 64)
return 0;
/* FALLTHROUGH */
@@ -170,12 +170,12 @@ ep_matches (
/* ISO: limit 1023 bytes full speed, 1024 high/super speed */
if (ep->maxpacket < max)
return 0;
- if (!gadget->is_dualspeed && max > 1023)
+ if (!gadget_is_dualspeed(gadget) && max > 1023)
return 0;
/* BOTH: "high bandwidth" works only at high speed */
if ((desc->wMaxPacketSize & cpu_to_le16(3<<11))) {
- if (!gadget->is_dualspeed)
+ if (!gadget_is_dualspeed(gadget))
return 0;
/* configure your hardware with enough buffering!! */
}
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index a3ce075..f1fac0d 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -2531,7 +2531,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
/* Setup gadget structure */
udc_controller->gadget.ops = &fsl_gadget_ops;
- udc_controller->gadget.is_dualspeed = 1;
+ udc_controller->gadget.max_speed = USB_SPEED_HIGH;
udc_controller->gadget.ep0 = &udc_controller->eps[0].ep;
INIT_LIST_HEAD(&udc_controller->gadget.ep_list);
udc_controller->gadget.speed = USB_SPEED_UNKNOWN;
diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c
index 0e4489f..731675f 100644
--- a/drivers/usb/gadget/fusb300_udc.c
+++ b/drivers/usb/gadget/fusb300_udc.c
@@ -1473,7 +1473,7 @@ static int __init fusb300_probe(struct platform_device *pdev)
dev_set_name(&fusb300->gadget.dev, "gadget");
- fusb300->gadget.is_dualspeed = 1;
+ fusb300->gadget.max_speed = USB_SPEED_HIGH;
fusb300->gadget.dev.parent = &pdev->dev;
fusb300->gadget.dev.dma_mask = pdev->dev.dma_mask;
fusb300->gadget.dev.release = pdev->dev.release;
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 7f87805..ab9c924 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -1796,6 +1796,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
spin_lock_init(&dev->lock);
dev->pdev = pdev;
dev->gadget.ops = &goku_ops;
+ dev->gadget.max_speed = USB_SPEED_FULL;
/* the "gadget" abstracts/virtualizes the controller */
dev_set_name(&dev->gadget.dev, "gadget");
diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c
index 806a5df..22f4a4d 100644
--- a/drivers/usb/gadget/langwell_udc.c
+++ b/drivers/usb/gadget/langwell_udc.c
@@ -3304,7 +3304,7 @@ static int langwell_udc_probe(struct pci_dev *pdev,
dev->gadget.ep0 = &dev->ep[0].ep; /* gadget ep0 */
INIT_LIST_HEAD(&dev->gadget.ep_list); /* ep_list */
dev->gadget.speed = USB_SPEED_UNKNOWN; /* speed */
- dev->gadget.is_dualspeed = 1; /* support dual speed */
+ dev->gadget.max_speed = USB_SPEED_HIGH; /* support dual speed */
#ifdef OTG_TRANSCEIVER
dev->gadget.is_otg = 1; /* support otg mode */
#endif
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index 491f825..fbdfca8 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -1663,7 +1663,7 @@ static int __init m66592_probe(struct platform_device *pdev)
m66592->gadget.ops = &m66592_gadget_ops;
device_initialize(&m66592->gadget.dev);
dev_set_name(&m66592->gadget.dev, "gadget");
- m66592->gadget.is_dualspeed = 1;
+ m66592->gadget.max_speed = USB_SPEED_HIGH;
m66592->gadget.dev.parent = &pdev->dev;
m66592->gadget.dev.dma_mask = pdev->dev.dma_mask;
m66592->gadget.dev.release = pdev->dev.release;
diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c
index ce1ac2b..17e9c5d 100644
--- a/drivers/usb/gadget/mv_udc_core.c
+++ b/drivers/usb/gadget/mv_udc_core.c
@@ -2061,7 +2061,7 @@ int mv_udc_probe(struct platform_device *dev)
udc->gadget.ep0 = &udc->eps[0].ep; /* gadget ep0 */
INIT_LIST_HEAD(&udc->gadget.ep_list); /* ep_list */
udc->gadget.speed = USB_SPEED_UNKNOWN; /* speed */
- udc->gadget.is_dualspeed = 1; /* support dual speed */
+ udc->gadget.max_speed = USB_SPEED_HIGH; /* support dual speed */
/* the "gadget" abstracts/virtualizes the controller */
dev_set_name(&udc->gadget.dev, "gadget");
diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c
index 81d3dfa..8747432 100644
--- a/drivers/usb/gadget/net2272.c
+++ b/drivers/usb/gadget/net2272.c
@@ -2265,7 +2265,7 @@ net2272_probe_init(struct device *dev, unsigned int irq)
ret->irq = irq;
ret->dev = dev;
ret->gadget.ops = &net2272_ops;
- ret->gadget.is_dualspeed = 1;
+ ret->gadget.max_speed = USB_SPEED_HIGH;
/* the "gadget" abstracts/virtualizes the controller */
dev_set_name(&ret->gadget.dev, "gadget");
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 149ade6..40b86a7 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2741,7 +2741,7 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
spin_lock_init (&dev->lock);
dev->pdev = pdev;
dev->gadget.ops = &net2280_ops;
- dev->gadget.is_dualspeed = 1;
+ dev->gadget.max_speed = USB_SPEED_HIGH;
/* the "gadget" abstracts/virtualizes the controller */
dev_set_name(&dev->gadget.dev, "gadget");
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 740c7da..fff7e1c 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -2686,6 +2686,7 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv)
INIT_LIST_HEAD(&udc->gadget.ep_list);
INIT_LIST_HEAD(&udc->iso);
udc->gadget.speed = USB_SPEED_UNKNOWN;
+ udc->gadget.max_speed = USB_SPEED_FULL;
udc->gadget.name = driver_name;
device_initialize(&udc->gadget.dev);
diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index f96615a..d781540 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -2949,7 +2949,7 @@ static int pch_udc_probe(struct pci_dev *pdev,
dev->gadget.dev.dma_mask = pdev->dev.dma_mask;
dev->gadget.dev.release = gadget_release;
dev->gadget.name = KBUILD_MODNAME;
- dev->gadget.is_dualspeed = 1;
+ dev->gadget.max_speed = USB_SPEED_HIGH;
retval = device_register(&dev->gadget.dev);
if (retval)
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 78fc14b..c39dd8c 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -1150,7 +1150,7 @@ printer_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
break;
#ifdef CONFIG_USB_GADGET_DUALSPEED
case USB_DT_DEVICE_QUALIFIER:
- if (!gadget->is_dualspeed)
+ if (!gadget_is_dualspeed(gadget))
break;
/*
* assumes ep0 uses the same value for both
@@ -1164,7 +1164,7 @@ printer_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
break;
case USB_DT_OTHER_SPEED_CONFIG:
- if (!gadget->is_dualspeed)
+ if (!gadget_is_dualspeed(gadget))
break;
/* FALLTHROUGH */
#endif /* CONFIG_USB_GADGET_DUALSPEED */
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 50991e5..a8f7a05 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1616,7 +1616,7 @@ static int __init r8a66597_probe(struct platform_device *pdev)
r8a66597->gadget.ops = &r8a66597_gadget_ops;
device_initialize(&r8a66597->gadget.dev);
dev_set_name(&r8a66597->gadget.dev, "gadget");
- r8a66597->gadget.is_dualspeed = 1;
+ r8a66597->gadget.max_speed = USB_SPEED_HIGH;
r8a66597->gadget.dev.parent = &pdev->dev;
r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask;
r8a66597->gadget.dev.release = pdev->dev.release;
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 48b5c71..9311a20 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -3364,7 +3364,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
dev_set_name(&hsotg->gadget.dev, "gadget");
- hsotg->gadget.is_dualspeed = 1;
+ hsotg->gadget.max_speed = USB_SPEED_HIGH;
hsotg->gadget.ops = &s3c_hsotg_gadget_ops;
hsotg->gadget.name = dev_name(dev);
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index 3fa717c..3ac4241 100644
--- a/drivers/usb/gadget/s3c-hsudc.c
+++ b/drivers/usb/gadget/s3c-hsudc.c
@@ -1287,7 +1287,7 @@ static int s3c_hsudc_probe(struct platform_device *pdev)
device_initialize(&hsudc->gadget.dev);
dev_set_name(&hsudc->gadget.dev, "gadget");
- hsudc->gadget.is_dualspeed = 1;
+ hsudc->gadget.max_speed = USB_SPEED_HIGH;
hsudc->gadget.ops = &s3c_hsudc_gadget_ops;
hsudc->gadget.name = dev_name(dev);
hsudc->gadget.dev.parent = dev;
diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 5e77a46..e775f3a 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -371,14 +371,28 @@ static ssize_t usb_udc_softconn_store(struct device *dev,
}
static DEVICE_ATTR(soft_connect, S_IWUSR, NULL, usb_udc_softconn_store);
-static ssize_t usb_udc_speed_show(struct device *dev,
+#define USB_UDC_SPEED_ATTR(name) \
+ssize_t usb_udc_##name##_show(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct usb_udc *udc = container_of(dev, struct usb_udc, dev); \
+ return snprintf(buf, PAGE_SIZE, "%s\n", \
+ usb_speed_string(udc->gadget->name)); \
+} \
+static DEVICE_ATTR(name, S_IRUSR, usb_udc_##name##_show, NULL)
+
+static USB_UDC_SPEED_ATTR(speed);
+static USB_UDC_SPEED_ATTR(max_speed);
+
+/* Provide "is_dualspeed" for backward compatibility. */
+static ssize_t usb_udc_is_dualspeed_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct usb_udc *udc = container_of(dev, struct usb_udc, dev);
- return snprintf(buf, PAGE_SIZE, "%s\n",
- usb_speed_string(udc->gadget->speed));
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ gadget_is_dualspeed(udc->gadget));
}
-static DEVICE_ATTR(speed, S_IRUSR, usb_udc_speed_show, NULL);
+static DEVICE_ATTR(is_dualspeed, S_IRUSR, usb_udc_is_dualspeed_show, NULL);
#define USB_UDC_ATTR(name) \
ssize_t usb_udc_##name##_show(struct device *dev, \
@@ -391,7 +405,6 @@ ssize_t usb_udc_##name##_show(struct device *dev, \
} \
static DEVICE_ATTR(name, S_IRUSR, usb_udc_##name##_show, NULL)
-static USB_UDC_ATTR(is_dualspeed);
static USB_UDC_ATTR(is_otg);
static USB_UDC_ATTR(is_a_peripheral);
static USB_UDC_ATTR(b_hnp_enable);
@@ -402,6 +415,7 @@ static struct attribute *usb_udc_attrs[] = {
&dev_attr_srp.attr,
&dev_attr_soft_connect.attr,
&dev_attr_speed.attr,
+ &dev_attr_max_speed.attr,
&dev_attr_is_dualspeed.attr,
&dev_attr_is_otg.attr,
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 8c41a2e..0b3fb20 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1827,7 +1827,7 @@ int __init musb_gadget_setup(struct musb *musb)
*/
musb->g.ops = &musb_gadget_operations;
- musb->g.is_dualspeed = 1;
+ musb->g.max_speed = USB_SPEED_HIGH;
musb->g.speed = USB_SPEED_UNKNOWN;
/* this "gadget" abstracts/virtualizes the controller */
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index cb2d451..a8ae54f 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -917,7 +917,7 @@ int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv)
gpriv->gadget.dev.parent = dev;
gpriv->gadget.name = "renesas_usbhs_udc";
gpriv->gadget.ops = &usbhsg_gadget_ops;
- gpriv->gadget.is_dualspeed = 1;
+ gpriv->gadget.max_speed = USB_SPEED_HIGH;
INIT_LIST_HEAD(&gpriv->gadget.ep_list);
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 087f4b9..7eb2ec3 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -477,8 +477,8 @@ struct usb_gadget_ops {
* driver setup() requests
* @ep_list: List of other endpoints supported by the device.
* @speed: Speed of current connection to USB host.
- * @is_dualspeed: True if the controller supports both high and full speed
- * operation. If it does, the gadget driver must also support both.
+ * @max_speed: Maximal speed the UDC can handle. UDC must support this
+ * and all slower speeds.
* @is_otg: True if the USB device port uses a Mini-AB jack, so that the
* gadget driver must provide a USB OTG descriptor.
* @is_a_peripheral: False unless is_otg, the "A" end of a USB cable
@@ -518,7 +518,7 @@ struct usb_gadget {
struct usb_ep *ep0;
struct list_head ep_list; /* of usb_ep */
enum usb_device_speed speed;
- unsigned is_dualspeed:1;
+ enum usb_device_speed max_speed;
unsigned is_otg:1;
unsigned is_a_peripheral:1;
unsigned b_hnp_enable:1;
@@ -549,7 +549,7 @@ static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev)
static inline int gadget_is_dualspeed(struct usb_gadget *g)
{
#ifdef CONFIG_USB_GADGET_DUALSPEED
- /* runtime test would check "g->is_dualspeed" ... that might be
+ /* runtime test would check "g->max_speed" ... that might be
* useful to work around hardware bugs, but is mostly pointless
*/
return 1;
@@ -567,7 +567,7 @@ static inline int gadget_is_superspeed(struct usb_gadget *g)
{
#ifdef CONFIG_USB_GADGET_SUPERSPEED
/*
- * runtime test would check "g->is_superspeed" ... that might be
+ * runtime test would check "g->max_speed" ... that might be
* useful to work around hardware bugs, but is mostly pointless
*/
return 1;
--
1.7.3.1
--
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