diff options
Diffstat (limited to 'arch/arm/mach-omap1/mailbox.c')
-rw-r--r-- | arch/arm/mach-omap1/mailbox.c | 55 |
1 files changed, 21 insertions, 34 deletions
diff --git a/arch/arm/mach-omap1/mailbox.c b/arch/arm/mach-omap1/mailbox.c index 4f5b3da3d559..1a85a421007f 100644 --- a/arch/arm/mach-omap1/mailbox.c +++ b/arch/arm/mach-omap1/mailbox.c @@ -1,5 +1,5 @@ /* - * Mailbox reservation modules for DSP + * Mailbox reservation modules for OMAP1 * * Copyright (C) 2006-2009 Nokia Corporation * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> @@ -9,13 +9,10 @@ * for more details. */ -#include <linux/kernel.h> -#include <linux/resource.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/io.h> #include <plat/mailbox.h> -#include <mach/irqs.h> #define MAILBOX_ARM2DSP1 0x00 #define MAILBOX_ARM2DSP1b 0x04 @@ -83,7 +80,7 @@ static int omap1_mbox_fifo_full(struct omap_mbox *mbox) struct omap_mbox1_fifo *fifo = &((struct omap_mbox1_priv *)mbox->priv)->rx_fifo; - return (mbox_read_reg(fifo->flag)); + return mbox_read_reg(fifo->flag); } /* irq */ @@ -141,47 +138,37 @@ struct omap_mbox mbox_dsp_info = { .ops = &omap1_mbox_ops, .priv = &omap1_mbox_dsp_priv, }; -EXPORT_SYMBOL(mbox_dsp_info); + +struct omap_mbox *omap1_mboxes[] = { &mbox_dsp_info, NULL }; static int __devinit omap1_mbox_probe(struct platform_device *pdev) { - struct resource *res; + struct resource *mem; + int ret; + int i; + struct omap_mbox **list; - if (pdev->num_resources != 2) { - dev_err(&pdev->dev, "invalid number of resources: %d\n", - pdev->num_resources); - return -ENODEV; - } + list = omap1_mboxes; + list[0]->irq = platform_get_irq_byname(pdev, "dsp"); - /* MBOX base */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (unlikely(!res)) { - dev_err(&pdev->dev, "invalid mem resource\n"); - return -ENODEV; - } + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + mbox_base = ioremap(mem->start, resource_size(mem)); + if (!mbox_base) + return -ENOMEM; - mbox_base = ioremap(res->start, resource_size(res)); - if (!mbox_base) { - dev_err(&pdev->dev, "ioremap failed\n"); - return -ENODEV; - } - - /* DSP IRQ */ - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (unlikely(!res)) { - dev_err(&pdev->dev, "invalid irq resource\n"); + ret = omap_mbox_register(&pdev->dev, list); + if (ret) { iounmap(mbox_base); - return -ENODEV; + return ret; } - mbox_dsp_info.irq = res->start; - return omap_mbox_register(&pdev->dev, &mbox_dsp_info); + return 0; } static int __devexit omap1_mbox_remove(struct platform_device *pdev) { - omap_mbox_unregister(&mbox_dsp_info); - + omap_mbox_unregister(); + iounmap(mbox_base); return 0; } @@ -189,7 +176,7 @@ static struct platform_driver omap1_mbox_driver = { .probe = omap1_mbox_probe, .remove = __devexit_p(omap1_mbox_remove), .driver = { - .name = "omap1-mailbox", + .name = "omap-mailbox", }, }; |