From: Biju Das <biju.das@bp.renesas.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Yu Chen <chenyu56@huawei.com>
Cc: linux-usb@vger.kernel.org,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Simon Horman <horms@verge.net.au>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Chris Paterson <Chris.Paterson2@renesas.com>,
Biju Das <biju.das@bp.renesas.com>,
Fabrizio Castro <fabrizio.castro@bp.renesas.com>,
linux-renesas-soc@vger.kernel.org,
Hans de Goede <hdegoede@redhat.com>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
John Stultz <john.stultz@linaro.org>
Subject: [PATCH V5 1/9] usb: roles: Introduce stubs for the exiting functions in role.h.
Date: Wed, 24 Apr 2019 10:22:15 +0100 [thread overview]
Message-ID: <1556097743-12717-2-git-send-email-biju.das@bp.renesas.com> (raw)
In-Reply-To: <1556097743-12717-1-git-send-email-biju.das@bp.renesas.com>
From: Yu Chen <chenyu56@huawei.com>
This patch adds stubs for the exiting functions while
CONFIG_USB_ROLE_SWITCH does not enabled.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Yu Chen <chenyu56@huawei.com>
---
* This is a dependency patch for the next patch in this series
Ref:(https://patchwork.kernel.org/patch/10909971/)
Note:- This patch is added to this series to avoid compilation issues.
---
include/linux/usb/role.h | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/include/linux/usb/role.h b/include/linux/usb/role.h
index c05ffa6..da2b964 100644
--- a/include/linux/usb/role.h
+++ b/include/linux/usb/role.h
@@ -42,6 +42,8 @@ struct usb_role_switch_desc {
bool allow_userspace_control;
};
+
+#if IS_ENABLED(CONFIG_USB_ROLE_SWITCH)
int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role);
enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw);
struct usb_role_switch *usb_role_switch_get(struct device *dev);
@@ -51,5 +53,33 @@ struct usb_role_switch *
usb_role_switch_register(struct device *parent,
const struct usb_role_switch_desc *desc);
void usb_role_switch_unregister(struct usb_role_switch *sw);
+#else
+static inline int usb_role_switch_set_role(struct usb_role_switch *sw,
+ enum usb_role role)
+{
+ return 0;
+}
+
+static inline enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)
+{
+ return USB_ROLE_NONE;
+}
+
+static inline struct usb_role_switch *usb_role_switch_get(struct device *dev)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline void usb_role_switch_put(struct usb_role_switch *sw) { }
+
+static inline struct usb_role_switch *
+usb_role_switch_register(struct device *parent,
+ const struct usb_role_switch_desc *desc)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline void usb_role_switch_unregister(struct usb_role_switch *sw) { }
+#endif
#endif /* __LINUX_USB_ROLE_H */
--
2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Biju Das <biju.das@bp.renesas.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Yu Chen <chenyu56@huawei.com>
Cc: linux-usb@vger.kernel.org,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Simon Horman <horms@verge.net.au>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Chris Paterson <Chris.Paterson2@renesas.com>,
Biju Das <biju.das@bp.renesas.com>,
Fabrizio Castro <fabrizio.castro@bp.renesas.com>,
linux-renesas-soc@vger.kernel.org,
Hans de Goede <hdegoede@redhat.com>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
John Stultz <john.stultz@linaro.org>
Subject: [V5,1/9] usb: roles: Introduce stubs for the exiting functions in role.h.
Date: Wed, 24 Apr 2019 10:22:15 +0100 [thread overview]
Message-ID: <1556097743-12717-2-git-send-email-biju.das@bp.renesas.com> (raw)
From: Yu Chen <chenyu56@huawei.com>
This patch adds stubs for the exiting functions while
CONFIG_USB_ROLE_SWITCH does not enabled.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Yu Chen <chenyu56@huawei.com>
---
* This is a dependency patch for the next patch in this series
Ref:(https://patchwork.kernel.org/patch/10909971/)
Note:- This patch is added to this series to avoid compilation issues.
---
include/linux/usb/role.h | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/include/linux/usb/role.h b/include/linux/usb/role.h
index c05ffa6..da2b964 100644
--- a/include/linux/usb/role.h
+++ b/include/linux/usb/role.h
@@ -42,6 +42,8 @@ struct usb_role_switch_desc {
bool allow_userspace_control;
};
+
+#if IS_ENABLED(CONFIG_USB_ROLE_SWITCH)
int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role);
enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw);
struct usb_role_switch *usb_role_switch_get(struct device *dev);
@@ -51,5 +53,33 @@ struct usb_role_switch *
usb_role_switch_register(struct device *parent,
const struct usb_role_switch_desc *desc);
void usb_role_switch_unregister(struct usb_role_switch *sw);
+#else
+static inline int usb_role_switch_set_role(struct usb_role_switch *sw,
+ enum usb_role role)
+{
+ return 0;
+}
+
+static inline enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)
+{
+ return USB_ROLE_NONE;
+}
+
+static inline struct usb_role_switch *usb_role_switch_get(struct device *dev)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline void usb_role_switch_put(struct usb_role_switch *sw) { }
+
+static inline struct usb_role_switch *
+usb_role_switch_register(struct device *parent,
+ const struct usb_role_switch_desc *desc)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline void usb_role_switch_unregister(struct usb_role_switch *sw) { }
+#endif
#endif /* __LINUX_USB_ROLE_H */
next prev parent reply other threads:[~2019-04-24 9:29 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-24 9:22 [PATCH V5 0/9] Add USB3.0 and TI HD3SS3220 driver support Biju Das
2019-04-24 9:22 ` Biju Das [this message]
2019-04-24 9:22 ` [V5,1/9] usb: roles: Introduce stubs for the exiting functions in role.h Biju Das
2019-04-24 9:22 ` [PATCH V5 2/9] usb: roles: add API to get usb_role_switch by node Biju Das
2019-04-24 9:22 ` Biju Das
2019-04-24 9:22 ` Biju Das
2019-04-24 9:22 ` [V5,2/9] " Biju Das
2019-04-24 9:22 ` [PATCH V5 3/9] dt-bindings: usb: hd3ss3220 device tree binding document Biju Das
2019-04-24 9:22 ` [V5,3/9] " Biju Das
2019-04-24 9:22 ` [PATCH V5 4/9] dt-bindings: usb: renesas_usb3: Add renesas,usb-role-switch property Biju Das
2019-04-24 9:22 ` [V5,4/9] " Biju Das
2019-04-26 18:14 ` [PATCH V5 4/9] " Rob Herring
2019-04-26 18:14 ` [V5,4/9] " Rob Herring
2019-04-29 9:39 ` [PATCH V5 4/9] " Biju Das
2019-04-29 9:39 ` [V5,4/9] " Biju Das
2019-04-29 9:39 ` [PATCH V5 4/9] " Biju Das
2019-05-03 6:39 ` Biju Das
2019-05-03 6:39 ` [V5,4/9] " Biju Das
2019-05-03 6:39 ` [PATCH V5 4/9] " Biju Das
2019-04-24 9:22 ` [PATCH V5 5/9] usb: typec: driver for TI HD3SS3220 USB Type-C DRP port controller Biju Das
2019-04-24 9:22 ` [V5,5/9] " Biju Das
2019-04-24 9:22 ` [PATCH V5 6/9] usb: gadget: udc: renesas_usb3: Use usb_role_switch framework Biju Das
2019-04-24 9:22 ` [V5,6/9] " Biju Das
2019-04-24 9:22 ` [PATCH V5 7/9] arm64: defconfig: enable TYPEC_HD3SS3220 config option Biju Das
2019-04-24 9:22 ` Biju Das
2019-04-24 9:22 ` [PATCH V5 8/9] arm64: dts: renesas: r8a774c0-cat874: Enable USB3.0 host/peripheral device node Biju Das
2019-04-24 9:22 ` [PATCH V5 9/9] arm64: dts: renesas: r8a774c0-cat874: Enable usb role switch support Biju Das
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