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Commit bfbdcf8a authored Jul 30, 2007 by Hiroshi DOYU Committed by Tony Lindgren May 09, 2008

ARM: OMAP: Fix Unbalanced enable for IRQ in omap mailbox



Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

parent 0692f05d

arch/arm/mach-omap2/mailbox.c

+15 −10

Original line number	Original line	Diff line number	Diff line
	@@ -70,6 +70,9 @@ struct omap_mbox2_priv {

	static struct clk *mbox_ick_handle;		static struct clk *mbox_ick_handle;

			static void omap2_mbox_enable_irq(struct omap_mbox *mbox,
			omap_mbox_type_t irq);

	static inline unsigned int mbox_read_reg(unsigned int reg)		static inline unsigned int mbox_read_reg(unsigned int reg)
	{		{
	return __raw_readl(mbox_base + reg);		return __raw_readl(mbox_base + reg);
	@@ -81,7 +84,7 @@ static inline void mbox_write_reg(unsigned int val, unsigned int reg)
	}		}

	/* Mailbox H/W preparations */		/* Mailbox H/W preparations */
	static inline int omap2_mbox_startup(struct omap_mbox *mbox)		static int omap2_mbox_startup(struct omap_mbox *mbox)
	{		{
	unsigned int l;		unsigned int l;

	@@ -97,38 +100,40 @@ static inline int omap2_mbox_startup(struct omap_mbox *mbox)
	l \|= 0x00000011;		l \|= 0x00000011;
	mbox_write_reg(l, MAILBOX_SYSCONFIG);		mbox_write_reg(l, MAILBOX_SYSCONFIG);

			omap2_mbox_enable_irq(mbox, IRQ_RX);

	return 0;		return 0;
	}		}

	static inline void omap2_mbox_shutdown(struct omap_mbox *mbox)		static void omap2_mbox_shutdown(struct omap_mbox *mbox)
	{		{
	clk_disable(mbox_ick_handle);		clk_disable(mbox_ick_handle);
	clk_put(mbox_ick_handle);		clk_put(mbox_ick_handle);
	}		}

	/* Mailbox FIFO handle functions */		/* Mailbox FIFO handle functions */
	static inline mbox_msg_t omap2_mbox_fifo_read(struct omap_mbox *mbox)		static mbox_msg_t omap2_mbox_fifo_read(struct omap_mbox *mbox)
	{		{
	struct omap_mbox2_fifo *fifo =		struct omap_mbox2_fifo *fifo =
	&((struct omap_mbox2_priv *)mbox->priv)->rx_fifo;		&((struct omap_mbox2_priv *)mbox->priv)->rx_fifo;
	return (mbox_msg_t) mbox_read_reg(fifo->msg);		return (mbox_msg_t) mbox_read_reg(fifo->msg);
	}		}

	static inline void omap2_mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)		static void omap2_mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
	{		{
	struct omap_mbox2_fifo *fifo =		struct omap_mbox2_fifo *fifo =
	&((struct omap_mbox2_priv *)mbox->priv)->tx_fifo;		&((struct omap_mbox2_priv *)mbox->priv)->tx_fifo;
	mbox_write_reg(msg, fifo->msg);		mbox_write_reg(msg, fifo->msg);
	}		}

	static inline int omap2_mbox_fifo_empty(struct omap_mbox *mbox)		static int omap2_mbox_fifo_empty(struct omap_mbox *mbox)
	{		{
	struct omap_mbox2_fifo *fifo =		struct omap_mbox2_fifo *fifo =
	&((struct omap_mbox2_priv *)mbox->priv)->rx_fifo;		&((struct omap_mbox2_priv *)mbox->priv)->rx_fifo;
	return (mbox_read_reg(fifo->msg_stat) == 0);		return (mbox_read_reg(fifo->msg_stat) == 0);
	}		}

	static inline int omap2_mbox_fifo_full(struct omap_mbox *mbox)		static int omap2_mbox_fifo_full(struct omap_mbox *mbox)
	{		{
	struct omap_mbox2_fifo *fifo =		struct omap_mbox2_fifo *fifo =
	&((struct omap_mbox2_priv *)mbox->priv)->tx_fifo;		&((struct omap_mbox2_priv *)mbox->priv)->tx_fifo;
	@@ -136,7 +141,7 @@ static inline int omap2_mbox_fifo_full(struct omap_mbox *mbox)
	}		}

	/* Mailbox IRQ handle functions */		/* Mailbox IRQ handle functions */
	static inline void omap2_mbox_enable_irq(struct omap_mbox *mbox,		static void omap2_mbox_enable_irq(struct omap_mbox *mbox,
	omap_mbox_type_t irq)		omap_mbox_type_t irq)
	{		{
	struct omap_mbox2_priv p = (struct omap_mbox2_priv )mbox->priv;		struct omap_mbox2_priv p = (struct omap_mbox2_priv )mbox->priv;
	@@ -147,7 +152,7 @@ static inline void omap2_mbox_enable_irq(struct omap_mbox *mbox,
	mbox_write_reg(l, p->irqenable);		mbox_write_reg(l, p->irqenable);
	}		}

	static inline void omap2_mbox_disable_irq(struct omap_mbox *mbox,		static void omap2_mbox_disable_irq(struct omap_mbox *mbox,
	omap_mbox_type_t irq)		omap_mbox_type_t irq)
	{		{
	struct omap_mbox2_priv p = (struct omap_mbox2_priv )mbox->priv;		struct omap_mbox2_priv p = (struct omap_mbox2_priv )mbox->priv;
	@@ -158,7 +163,7 @@ static inline void omap2_mbox_disable_irq(struct omap_mbox *mbox,
	mbox_write_reg(l, p->irqenable);		mbox_write_reg(l, p->irqenable);
	}		}

	static inline void omap2_mbox_ack_irq(struct omap_mbox *mbox,		static void omap2_mbox_ack_irq(struct omap_mbox *mbox,
	omap_mbox_type_t irq)		omap_mbox_type_t irq)
	{		{
	struct omap_mbox2_priv p = (struct omap_mbox2_priv )mbox->priv;		struct omap_mbox2_priv p = (struct omap_mbox2_priv )mbox->priv;
	@@ -167,7 +172,7 @@ static inline void omap2_mbox_ack_irq(struct omap_mbox *mbox,
	mbox_write_reg(bit, p->irqstatus);		mbox_write_reg(bit, p->irqstatus);
	}		}

	static inline int omap2_mbox_is_irq(struct omap_mbox *mbox,		static int omap2_mbox_is_irq(struct omap_mbox *mbox,
	omap_mbox_type_t irq)		omap_mbox_type_t irq)
	{		{
	struct omap_mbox2_priv p = (struct omap_mbox2_priv )mbox->priv;		struct omap_mbox2_priv p = (struct omap_mbox2_priv )mbox->priv;

arch/arm/plat-omap/mailbox.c

+0 −1

Original line number	Original line	Diff line number	Diff line
	@@ -355,7 +355,6 @@ static int omap_mbox_init(struct omap_mbox *mbox)
	"failed to register mailbox interrupt:%d\n", ret);		"failed to register mailbox interrupt:%d\n", ret);
	goto fail_request_irq;		goto fail_request_irq;
	}		}
	enable_mbox_irq(mbox, IRQ_RX);

	mq = mbox_queue_alloc(mbox, mbox_txq_fn, mbox_tx_work);		mq = mbox_queue_alloc(mbox, mbox_txq_fn, mbox_tx_work);
	if (!mq) {		if (!mq) {

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