On Fri, Jan 16, 2009 at 10:27:37AM +0200, Hiroshi DOYU wrote:
> diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
> index a877305..544dde9 100644
> --- a/arch/arm/mach-omap2/mailbox.c
> +++ b/arch/arm/mach-omap2/mailbox.c
> @@ -32,6 +32,8 @@
> #define MAILBOX_IRQ_NEWMSG(u) (1 << (2 * (u)))
> #define MAILBOX_IRQ_NOTFULL(u) (1 << (2 * (u) + 1))
>
> +#define MBOX_REG_SIZE 0x120
> +
> static void __iomem *mbox_base;
>
> struct omap_mbox2_fifo {
> @@ -47,6 +49,7 @@ struct omap_mbox2_priv {
> unsigned long irqstatus;
> u32 newmsg_bit;
> u32 notfull_bit;
> + char ctx[MBOX_REG_SIZE];
u32 ctx[MOX_REG_SIZE / sizeof(u32)];
?
> };
>
> static struct clk *mbox_ick_handle;
> @@ -167,6 +170,36 @@ static int omap2_mbox_is_irq(struct omap_mbox *mbox,
> return (enable & status & bit);
> }
>
> +static void omap2_mbox_save_ctx(struct omap_mbox *mbox)
> +{
> + int i;
> + struct omap_mbox2_priv *p = mbox->priv;
> +
> + for (i = 0; i < MBOX_REG_SIZE; i += sizeof(u32)) {
> + u32 val;
> +
> + val = mbox_read_reg(i);
> + *(u32 *)(p->ctx + i) = val;
p->ctx[i] = mbox_read_reg(i);
?
> +
> + dev_dbg(mbox->dev, "%s\t[%02d] %08x\n", __func__, i, val);
tabs aren't nice in kernel messages.
dev_dbg(mbox->dev, "%s: [%02d] %08x\n", __func__,
i, p->ctx[i]);
also, mixing decimal and octal as bare numbers can be rather confusing.
> + }
> +}
> +
> +static void omap2_mbox_restore_ctx(struct omap_mbox *mbox)
> +{
> + int i;
> + struct omap_mbox2_priv *p = mbox->priv;
> +
> + for (i = 0; i < MBOX_REG_SIZE; i += sizeof(u32)) {
> + u32 val;
> +
> + val = *(u32 *)(p->ctx + i);
> + mbox_write_reg(val, i);
mbox_write_reg(p->ctx[i], i);
> +
> + dev_dbg(mbox->dev, "%s\t[%02d] %08x\n", __func__, i, val);
dev_dbg(mbox->dev, "%s: [%02d] %08x\n@, __func__,
i, p->ctx[i]);
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