[PATCH v2 03/13] mailbox: split internal header from API header

Suman Anna s-anna at ti.com
Mon Feb 11 23:57:02 EST 2013


From: Omar Ramirez Luna <omar.luna at linaro.org>

Now internal structures can remain hidden to the user and just API
related functions and defines are made available.

Signed-off-by: Omar Ramirez Luna <omar.luna at linaro.org>
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
 drivers/mailbox/mailbox.c          | 34 ++++++++++++++
 drivers/mailbox/mailbox_internal.h | 55 +++++++++++++++++++++++
 include/linux/mailbox.h            | 90 ++------------------------------------
 3 files changed, 93 insertions(+), 86 deletions(-)

diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 6c738aa..31303c5 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -116,6 +116,40 @@ out:
 }
 EXPORT_SYMBOL(omap_mbox_msg_send);
 
+void omap_mbox_save_ctx(struct omap_mbox *mbox)
+{
+	if (!mbox->ops->save_ctx) {
+		dev_err(mbox->dev, "%s:\tno save\n", __func__);
+		return;
+	}
+
+	mbox->ops->save_ctx(mbox);
+}
+EXPORT_SYMBOL(omap_mbox_save_ctx);
+
+void omap_mbox_restore_ctx(struct omap_mbox *mbox)
+{
+	if (!mbox->ops->restore_ctx) {
+		dev_err(mbox->dev, "%s:\tno restore\n", __func__);
+		return;
+	}
+
+	mbox->ops->restore_ctx(mbox);
+}
+EXPORT_SYMBOL(omap_mbox_restore_ctx);
+
+void omap_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+	mbox->ops->enable_irq(mbox, irq);
+}
+EXPORT_SYMBOL(omap_mbox_enable_irq);
+
+void omap_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+	mbox->ops->disable_irq(mbox, irq);
+}
+EXPORT_SYMBOL(omap_mbox_disable_irq);
+
 static void mbox_tx_tasklet(unsigned long tx_data)
 {
 	struct omap_mbox *mbox = (struct omap_mbox *)tx_data;
diff --git a/drivers/mailbox/mailbox_internal.h b/drivers/mailbox/mailbox_internal.h
index b39badb..e533440 100644
--- a/drivers/mailbox/mailbox_internal.h
+++ b/drivers/mailbox/mailbox_internal.h
@@ -9,6 +9,61 @@
 #ifndef MAILBOX_INTERNAL_H
 #define MAILBOX_INTERNAL_H
 
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/kfifo.h>
 #include <linux/mailbox.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+
+typedef int __bitwise omap_mbox_type_t;
+#define OMAP_MBOX_TYPE1 ((__force omap_mbox_type_t) 1)
+#define OMAP_MBOX_TYPE2 ((__force omap_mbox_type_t) 2)
+
+struct omap_mbox_ops {
+	omap_mbox_type_t        type;
+	int             (*startup)(struct omap_mbox *mbox);
+	void            (*shutdown)(struct omap_mbox *mbox);
+	/* fifo */
+	mbox_msg_t      (*fifo_read)(struct omap_mbox *mbox);
+	void            (*fifo_write)(struct omap_mbox *mbox, mbox_msg_t msg);
+	int             (*fifo_empty)(struct omap_mbox *mbox);
+	int             (*fifo_full)(struct omap_mbox *mbox);
+	/* irq */
+	void            (*enable_irq)(struct omap_mbox *mbox,
+			omap_mbox_irq_t irq);
+	void            (*disable_irq)(struct omap_mbox *mbox,
+			omap_mbox_irq_t irq);
+	void            (*ack_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
+	int             (*is_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
+	/* ctx */
+	void            (*save_ctx)(struct omap_mbox *mbox);
+	void            (*restore_ctx)(struct omap_mbox *mbox);
+};
+
+struct omap_mbox_queue {
+	spinlock_t              lock;
+	struct kfifo            fifo;
+	struct work_struct      work;
+	struct tasklet_struct   tasklet;
+	struct omap_mbox        *mbox;
+	bool full;
+};
+
+struct omap_mbox {
+	char                    *name;
+	unsigned int            irq;
+	struct omap_mbox_queue  *txq, *rxq;
+	struct omap_mbox_ops    *ops;
+	struct device           *dev;
+	void                    *priv;
+	int                     use_count;
+	struct blocking_notifier_head   notifier;
+};
+
+void omap_mbox_init_seq(struct omap_mbox *);
+
+int omap_mbox_register(struct device *parent, struct omap_mbox **);
+int omap_mbox_unregister(void);
 
 #endif /* MAILBOX_INTERNAL_H */
diff --git a/include/linux/mailbox.h b/include/linux/mailbox.h
index 57dd502..e97824e 100644
--- a/include/linux/mailbox.h
+++ b/include/linux/mailbox.h
@@ -9,12 +9,6 @@
 #ifndef MAILBOX_H
 #define MAILBOX_H
 
-#include <linux/spinlock.h>
-#include <linux/workqueue.h>
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/kfifo.h>
-
 typedef u32 mbox_msg_t;
 struct omap_mbox;
 
@@ -22,90 +16,14 @@ typedef int __bitwise omap_mbox_irq_t;
 #define IRQ_TX ((__force omap_mbox_irq_t) 1)
 #define IRQ_RX ((__force omap_mbox_irq_t) 2)
 
-typedef int __bitwise omap_mbox_type_t;
-#define OMAP_MBOX_TYPE1 ((__force omap_mbox_type_t) 1)
-#define OMAP_MBOX_TYPE2 ((__force omap_mbox_type_t) 2)
-
-struct omap_mbox_ops {
-	omap_mbox_type_t        type;
-	int             (*startup)(struct omap_mbox *mbox);
-	void            (*shutdown)(struct omap_mbox *mbox);
-	/* fifo */
-	mbox_msg_t      (*fifo_read)(struct omap_mbox *mbox);
-	void            (*fifo_write)(struct omap_mbox *mbox, mbox_msg_t msg);
-	int             (*fifo_empty)(struct omap_mbox *mbox);
-	int             (*fifo_full)(struct omap_mbox *mbox);
-	/* irq */
-	void            (*enable_irq)(struct omap_mbox *mbox,
-			omap_mbox_irq_t irq);
-	void            (*disable_irq)(struct omap_mbox *mbox,
-			omap_mbox_irq_t irq);
-	void            (*ack_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
-	int             (*is_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
-	/* ctx */
-	void            (*save_ctx)(struct omap_mbox *mbox);
-	void            (*restore_ctx)(struct omap_mbox *mbox);
-};
-
-struct omap_mbox_queue {
-	spinlock_t              lock;
-	struct kfifo            fifo;
-	struct work_struct      work;
-	struct tasklet_struct   tasklet;
-	struct omap_mbox        *mbox;
-	bool full;
-};
-
-struct omap_mbox {
-	char                    *name;
-	unsigned int            irq;
-	struct omap_mbox_queue  *txq, *rxq;
-	struct omap_mbox_ops    *ops;
-	struct device           *dev;
-	void                    *priv;
-	int                     use_count;
-	struct blocking_notifier_head   notifier;
-};
-
 int omap_mbox_msg_send(struct omap_mbox *, mbox_msg_t msg);
-void omap_mbox_init_seq(struct omap_mbox *);
 
 struct omap_mbox *omap_mbox_get(const char *, struct notifier_block *nb);
 void omap_mbox_put(struct omap_mbox *mbox, struct notifier_block *nb);
 
-int omap_mbox_register(struct device *parent, struct omap_mbox **);
-int omap_mbox_unregister(void);
-
-static inline void omap_mbox_save_ctx(struct omap_mbox *mbox)
-{
-	if (!mbox->ops->save_ctx) {
-		dev_err(mbox->dev, "%s:\tno save\n", __func__);
-		return;
-	}
-
-	mbox->ops->save_ctx(mbox);
-}
-
-static inline void omap_mbox_restore_ctx(struct omap_mbox *mbox)
-{
-	if (!mbox->ops->restore_ctx) {
-		dev_err(mbox->dev, "%s:\tno restore\n", __func__);
-		return;
-	}
-
-	mbox->ops->restore_ctx(mbox);
-}
-
-static inline void omap_mbox_enable_irq(struct omap_mbox *mbox,
-		omap_mbox_irq_t irq)
-{
-	mbox->ops->enable_irq(mbox, irq);
-}
-
-static inline void omap_mbox_disable_irq(struct omap_mbox *mbox,
-		omap_mbox_irq_t irq)
-{
-	mbox->ops->disable_irq(mbox, irq);
-}
+void omap_mbox_save_ctx(struct omap_mbox *mbox);
+void omap_mbox_restore_ctx(struct omap_mbox *mbox);
+void omap_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq);
+void omap_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq);
 
 #endif /* MAILBOX_H */
-- 
1.8.1.2




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