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Commit dd282165 authored by Suman Anna's avatar Suman Anna Committed by Jassi Brar
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mailbox/omap: kill omap_mbox_{save/restore}_ctx() functions 



The omap_mbox_save_ctx() and omap_mbox_restore_ctx() API were
previously provided to OMAP mailbox clients to save and restore
the mailbox context during system suspend/resume. The save and
restore functionality is now implemented through System PM driver
callbacks, and there is no need for these functions, so kill these
API.

Signed-off-by: default avatarSuman Anna <s-anna@ti.com>
Signed-off-by: default avatarJassi Brar <jaswinder.singh@linaro.org>
parent 9f0cee98

drivers/mailbox/omap-mailbox.c

+0 −51
Original line number Diff line number Diff line
@@ -55,13 +55,6 @@ 
#define MAILBOX_IRQ_NEWMSG(m)		(1 << (2 * (m)))

#define MAILBOX_IRQ_NOTFULL(m)		(1 << (2 * (m) + 1))



#define MBOX_REG_SIZE			0x120



#define OMAP4_MBOX_REG_SIZE		0x130



#define MBOX_NR_REGS			(MBOX_REG_SIZE / sizeof(u32))

#define OMAP4_MBOX_NR_REGS		(OMAP4_MBOX_REG_SIZE / sizeof(u32))



/* Interrupt register configuration types */

#define MBOX_INTR_CFG_TYPE1		0

#define MBOX_INTR_CFG_TYPE2		1
@@ -118,7 +111,6 @@ struct omap_mbox { 
	struct omap_mbox_device *parent;

	struct omap_mbox_fifo	tx_fifo;

	struct omap_mbox_fifo	rx_fifo;

	u32			ctx[OMAP4_MBOX_NR_REGS];

	u32			intr_type;

	struct mbox_chan	*chan;

	bool			send_no_irq;
@@ -209,49 +201,6 @@ static int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq) 
	return (int)(enable & status & bit);

}



void omap_mbox_save_ctx(struct mbox_chan *chan)

{

	int i;

	int nr_regs;

	struct omap_mbox *mbox = mbox_chan_to_omap_mbox(chan);



	if (WARN_ON(!mbox))

		return;



	if (mbox->intr_type)

		nr_regs = OMAP4_MBOX_NR_REGS;

	else

		nr_regs = MBOX_NR_REGS;

	for (i = 0; i < nr_regs; i++) {

		mbox->ctx[i] = mbox_read_reg(mbox->parent, i * sizeof(u32));



		dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,

			i, mbox->ctx[i]);

	}

}

EXPORT_SYMBOL(omap_mbox_save_ctx);



void omap_mbox_restore_ctx(struct mbox_chan *chan)

{

	int i;

	int nr_regs;

	struct omap_mbox *mbox = mbox_chan_to_omap_mbox(chan);



	if (WARN_ON(!mbox))

		return;



	if (mbox->intr_type)

		nr_regs = OMAP4_MBOX_NR_REGS;

	else

		nr_regs = MBOX_NR_REGS;

	for (i = 0; i < nr_regs; i++) {

		mbox_write_reg(mbox->parent, mbox->ctx[i], i * sizeof(u32));

		dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,

			i, mbox->ctx[i]);

	}

}

EXPORT_SYMBOL(omap_mbox_restore_ctx);



static void _omap_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)

{

	u32 l;

include/linux/omap-mailbox.h

+0 −2
Original line number Diff line number Diff line
@@ -21,8 +21,6 @@ struct mbox_client; 
struct mbox_chan *omap_mbox_request_channel(struct mbox_client *cl,

					    const char *chan_name);



void omap_mbox_save_ctx(struct mbox_chan *chan);

void omap_mbox_restore_ctx(struct mbox_chan *chan);

void omap_mbox_enable_irq(struct mbox_chan *chan, omap_mbox_irq_t irq);

void omap_mbox_disable_irq(struct mbox_chan *chan, omap_mbox_irq_t irq);