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From ca35910a1ba21e45368640ac4d884536649966d9 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Tue, 23 Jan 2018 11:24:07 +0100
Subject: [PATCH] USB: move many drivers to use DEVICE_ATTR_WO
Git-commit: ca35910a1ba21e45368640ac4d884536649966d9
References: git-fixes
Patch-mainline: v4.16-rc1

Instead of "open coding" a DEVICE_ATTR() define, use the
DEVICE_ATTR_WO() macro instead, which does everything properly instead.

This does require a few static functions to be renamed to work properly,
but thanks to a script from Joe Perches, this was easily done.

Reported-by: Joe Perches <joe@perches.com>
Cc: Peter Chen <Peter.Chen@nxp.com>
Cc: Valentina Manea <valentina.manea.m@gmail.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Johan Hovold <johan@kernel.org>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
 drivers/usb/chipidea/otg_fsm.c |    4 ++--
 drivers/usb/gadget/udc/core.c  |    8 ++++----
 drivers/usb/phy/phy-mv-usb.c   |    4 ++--
 drivers/usb/serial/ftdi_sio.c  |    4 ++--
 drivers/usb/usbip/stub_dev.c   |    4 ++--
 drivers/usb/usbip/vhci_sysfs.c |    8 ++++----
 drivers/usb/usbip/vudc_sysfs.c |    4 ++--
 7 files changed, 18 insertions(+), 18 deletions(-)

--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
@@ -166,7 +166,7 @@ set_b_bus_req(struct device *dev, struct
 static DEVICE_ATTR(b_bus_req, S_IRUGO | S_IWUSR, get_b_bus_req, set_b_bus_req);
 
 static ssize_t
-set_a_clr_err(struct device *dev, struct device_attribute *attr,
+a_clr_err_store(struct device *dev, struct device_attribute *attr,
 					const char *buf, size_t count)
 {
 	struct ci_hdrc	*ci = dev_get_drvdata(dev);
@@ -183,7 +183,7 @@ set_a_clr_err(struct device *dev, struct
 
 	return count;
 }
-static DEVICE_ATTR(a_clr_err, S_IWUSR, NULL, set_a_clr_err);
+static DEVICE_ATTR_WO(a_clr_err);
 
 static struct attribute *inputs_attrs[] = {
 	&dev_attr_a_bus_req.attr,
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1394,7 +1394,7 @@ EXPORT_SYMBOL_GPL(usb_gadget_unregister_
 
 /* ------------------------------------------------------------------------- */
 
-static ssize_t usb_udc_srp_store(struct device *dev,
+static ssize_t srp_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t n)
 {
 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);
@@ -1404,9 +1404,9 @@ static ssize_t usb_udc_srp_store(struct
 
 	return n;
 }
-static DEVICE_ATTR(srp, S_IWUSR, NULL, usb_udc_srp_store);
+static DEVICE_ATTR_WO(srp);
 
-static ssize_t usb_udc_softconn_store(struct device *dev,
+static ssize_t soft_connect_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t n)
 {
 	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);
@@ -1430,7 +1430,7 @@ static ssize_t usb_udc_softconn_store(st
 
 	return n;
 }
-static DEVICE_ATTR(soft_connect, S_IWUSR, NULL, usb_udc_softconn_store);
+static DEVICE_ATTR_WO(soft_connect);
 
 static ssize_t state_show(struct device *dev, struct device_attribute *attr,
 			  char *buf)
--- a/drivers/usb/phy/phy-mv-usb.c
+++ b/drivers/usb/phy/phy-mv-usb.c
@@ -573,7 +573,7 @@ static DEVICE_ATTR(a_bus_req, S_IRUGO |
 		   set_a_bus_req);
 
 static ssize_t
-set_a_clr_err(struct device *dev, struct device_attribute *attr,
+a_clr_err_store(struct device *dev, struct device_attribute *attr,
 	      const char *buf, size_t count)
 {
 	struct mv_otg *mvotg = dev_get_drvdata(dev);
@@ -597,7 +597,7 @@ set_a_clr_err(struct device *dev, struct
 	return count;
 }
 
-static DEVICE_ATTR(a_clr_err, S_IWUSR, NULL, set_a_clr_err);
+static DEVICE_ATTR_WO(a_clr_err);
 
 static ssize_t
 get_a_bus_drop(struct device *dev, struct device_attribute *attr,
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1736,7 +1736,7 @@ static DEVICE_ATTR_RW(latency_timer);
 
 /* Write an event character directly to the FTDI register.  The ASCII
    value is in the low 8 bits, with the enable bit in the 9th bit. */
-static ssize_t store_event_char(struct device *dev,
+static ssize_t event_char_store(struct device *dev,
 	struct device_attribute *attr, const char *valbuf, size_t count)
 {
 	struct usb_serial_port *port = to_usb_serial_port(dev);
@@ -1763,7 +1763,7 @@ static ssize_t store_event_char(struct d
 
 	return count;
 }
-static DEVICE_ATTR(event_char, S_IWUSR, NULL, store_event_char);
+static DEVICE_ATTR_WO(event_char);
 
 static int create_sysfs_attrs(struct usb_serial_port *port)
 {
--- a/drivers/usb/usbip/stub_dev.c
+++ b/drivers/usb/usbip/stub_dev.c
@@ -53,7 +53,7 @@ static DEVICE_ATTR_RO(usbip_status);
  * is used to transfer usbip requests by kernel threads. -1 is a magic number
  * by which usbip connection is finished.
  */
-static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
+static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *attr,
 			    const char *buf, size_t count)
 {
 	struct stub_device *sdev = dev_get_drvdata(dev);
@@ -117,7 +117,7 @@ err:
 	spin_unlock_irq(&sdev->ud.lock);
 	return -EINVAL;
 }
-static DEVICE_ATTR(usbip_sockfd, S_IWUSR, NULL, store_sockfd);
+static DEVICE_ATTR_WO(usbip_sockfd);
 
 static int stub_add_files(struct device *dev)
 {
--- a/drivers/usb/usbip/vhci_sysfs.c
+++ b/drivers/usb/usbip/vhci_sysfs.c
@@ -195,7 +195,7 @@ static int valid_port(__u32 pdev_nr, __u
 	return 1;
 }
 
-static ssize_t store_detach(struct device *dev, struct device_attribute *attr,
+static ssize_t detach_store(struct device *dev, struct device_attribute *attr,
 			    const char *buf, size_t count)
 {
 	__u32 port = 0, pdev_nr = 0, rhport = 0;
@@ -225,7 +225,7 @@ static ssize_t store_detach(struct devic
 
 	return count;
 }
-static DEVICE_ATTR(detach, S_IWUSR, NULL, store_detach);
+static DEVICE_ATTR_WO(detach);
 
 static int valid_args(__u32 pdev_nr, __u32 rhport, enum usb_device_speed speed)
 {
@@ -260,7 +260,7 @@ static int valid_args(__u32 pdev_nr, __u
  *
  * write() returns 0 on success, else negative errno.
  */
-static ssize_t store_attach(struct device *dev, struct device_attribute *attr,
+static ssize_t attach_store(struct device *dev, struct device_attribute *attr,
 			    const char *buf, size_t count)
 {
 	struct socket *socket;
@@ -344,7 +344,7 @@ static ssize_t store_attach(struct devic
 
 	return count;
 }
-static DEVICE_ATTR(attach, S_IWUSR, NULL, store_attach);
+static DEVICE_ATTR_WO(attach);
 
 #define MAX_STATUS_NAME 16
 
--- a/drivers/usb/usbip/vudc_sysfs.c
+++ b/drivers/usb/usbip/vudc_sysfs.c
@@ -102,7 +102,7 @@ unlock:
 }
 static BIN_ATTR_RO(dev_desc, sizeof(struct usb_device_descriptor));
 
-static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr,
+static ssize_t usbip_sockfd_store(struct device *dev, struct device_attribute *attr,
 		     const char *in, size_t count)
 {
 	struct vudc *udc = (struct vudc *) dev_get_drvdata(dev);
@@ -192,7 +192,7 @@ unlock:
 
 	return ret;
 }
-static DEVICE_ATTR(usbip_sockfd, S_IWUSR, NULL, store_sockfd);
+static DEVICE_ATTR_WO(usbip_sockfd);
 
 static ssize_t usbip_status_show(struct device *dev,
 			       struct device_attribute *attr, char *out)