Hi Tony,
From: "ext C.A, Subramaniam" <subramaniam.ca@xxxxxx>
Subject: [PATCH 8/10] omap mailbox: OMAP4-Mailbox - Adds code changes to support OMAP4 mailbox.
Date: Tue, 22 Sep 2009 16:33:32 +0200
> From 6e3100d338c37928724821cab460ced1437bfa59 Mon Sep 17 00:00:00 2001
> From: C A Subramaniam <subramaniam.ca@xxxxxx>
> Date: Tue, 8 Sep 2009 22:36:20 +0530
> Subject: [PATCH 8/10] omap mailbox: OMAP4-Mailbox - Adds code changes to support OMAP4 mailbox.
>
> This patch adds code changes in the mailbox driver module to
> add support for OMAP4 mailbox.
>
> Signed-off-by: Hari Kanigeri <h-kanigeri2@xxxxxx>
> Signed-off-by: C A Subramaniam <subramaniam.ca@xxxxxx>
> Signed-off-by: Ramesh Gupta G <grgupta@xxxxxx>
> ---
> arch/arm/mach-omap2/mailbox.c | 120 +++++++++++++++++++++++++++++++++++------
> arch/arm/plat-omap/mailbox.c | 25 +++++++--
> 2 files changed, 123 insertions(+), 22 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
> index 6f71f37..3d85807 100644
> --- a/arch/arm/mach-omap2/mailbox.c
> +++ b/arch/arm/mach-omap2/mailbox.c
[...]
> @@ -70,10 +88,9 @@ static inline void mbox_write_reg(u32 val, size_t ofs)
> static int omap2_mbox_startup(struct omap_mbox *mbox)
> {
> unsigned int l;
> -
> mbox_ick_handle = clk_get(NULL, "mailboxes_ick");
> if (IS_ERR(mbox_ick_handle)) {
> - printk("Could not get mailboxes_ick\n");
> + printk(KERN_ERR "Could not get mailboxes_ick\n");
> return -ENODEV;
> }
> clk_enable(mbox_ick_handle);
> @@ -85,7 +102,6 @@ static int omap2_mbox_startup(struct omap_mbox *mbox)
> l = mbox_read_reg(MAILBOX_SYSCONFIG);
> l |= 0x00000011;
> mbox_write_reg(l, MAILBOX_SYSCONFIG);
> -
> omap2_mbox_enable_irq(mbox, IRQ_RX);
>
> return 0;
The above may conflict with the following patch, but it won't be
diffcult to solve the confliction.
http://patchwork.kernel.org/patch/44224/
Tony, can you get the above "softreset" patch in?
[...]
> @@ -156,6 +172,8 @@ static void omap2_mbox_ack_irq(struct omap_mbox *mbox,
> u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
>
> mbox_write_reg(bit, p->irqstatus);
> + /* Flush post writing */
> + mbox_read_reg(p->irqstatus);
> }
This is the same as the following patch:
http://patchwork.kernel.org/patch/43740/
Tony, can you get the above "flush posted write" patch in?
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