omap: mailbox: reorganize registering

It's more extensible this way.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>

1 files changed, 44 insertions, 63 deletions

diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 3ff1ad592bca..e5abc8e42f52 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -56,6 +56,8 @@
 
 static void __iomem *mbox_base;
 
+static struct omap_mbox **list;
+
 struct omap_mbox2_fifo {
         unsigned long msg;
         unsigned long fifo_stat;
@@ -307,6 +309,8 @@ struct omap_mbox mbox_dsp_info = {
         .priv   = &omap2_mbox_dsp_priv,
 };
 
+struct omap_mbox *omap3_mboxes[] = { &mbox_dsp_info, NULL };
+
 #if defined(CONFIG_ARCH_OMAP2420)
 
 /* IVA */
@@ -331,6 +335,8 @@ static struct omap_mbox mbox_iva_info = {
         .ops    = &omap2_mbox_ops,
         .priv   = &omap2_mbox_iva_priv,
 };
+
+struct omap_mbox *omap2_mboxes[] = { &mbox_iva_info, &mbox_dsp_info, NULL };
 #endif
 
 /* OMAP4 */
@@ -378,89 +384,64 @@ struct omap_mbox mbox_2_info = {
         .priv   = &omap2_mbox_2_priv,
 };
 
+struct omap_mbox *omap4_mboxes[] = { &mbox_1_info, &mbox_2_info, NULL };
+
 static int __devinit omap2_mbox_probe(struct platform_device *pdev)
 {
-        struct resource *res;
+        struct resource *mem;
         int ret;
+        int i;
 
-        /* MBOX base */
-        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (unlikely(!res)) {
-                dev_err(&pdev->dev, "invalid mem resource\n");
-                return -ENODEV;
+        if (cpu_is_omap3430()) {
+                list = omap3_mboxes;
+
+                list[0]->irq = platform_get_irq_byname(pdev, "dsp");
         }
-        mbox_base = ioremap(res->start, resource_size(res));
-        if (!mbox_base)
-                return -ENOMEM;
+#if defined(CONFIG_ARCH_OMAP2420)
+        else if (cpu_is_omap2420()) {
+                list = omap2_mboxes;
 
-        /* DSP or IVA2 IRQ */
-        res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+                list[0]->irq = platform_get_irq_byname(pdev, "dsp");
+                list[1]->irq = platform_get_irq_byname(pdev, "iva");
+        }
+#endif
+        else if (cpu_is_omap44xx()) {
+                list = omap4_mboxes;
 
-        if (unlikely(!res)) {
-                dev_err(&pdev->dev, "invalid irq resource\n");
-                ret = -ENODEV;
-                goto err_dsp;
+                list[0]->irq = list[1]->irq =
+                        platform_get_irq_byname(pdev, "mbox");
         }
-        if (cpu_is_omap44xx()) {
-                mbox_1_info.irq = res->start;
-                ret = omap_mbox_register(&pdev->dev, &mbox_1_info);
-        } else {
-                mbox_dsp_info.irq = res->start;
-                ret = omap_mbox_register(&pdev->dev, &mbox_dsp_info);
+        else {
+                pr_err("%s: platform not supported\n", __func__);
+                return -ENODEV;
         }
-        if (ret)
-                goto err_dsp;
 
-        if (cpu_is_omap44xx()) {
-                mbox_2_info.irq = res->start;
-                ret = omap_mbox_register(&pdev->dev, &mbox_2_info);
-                if (ret) {
-                        omap_mbox_unregister(&mbox_1_info);
-                        goto err_dsp;
-                }
-        }
-#if defined(CONFIG_ARCH_OMAP2420) /* IVA */
-        if (cpu_is_omap2420()) {
-                /* IVA IRQ */
-                res = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
-                if (unlikely(!res)) {
-                        dev_err(&pdev->dev, "invalid irq resource\n");
-                        ret = -ENODEV;
-                        omap_mbox_unregister(&mbox_dsp_info);
-                        goto err_dsp;
-                }
-                mbox_iva_info.irq = res->start;
-                ret = omap_mbox_register(&pdev->dev, &mbox_iva_info);
-                if (ret) {
-                        omap_mbox_unregister(&mbox_dsp_info);
-                        goto err_dsp;
-                }
+        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        mbox_base = ioremap(mem->start, resource_size(mem));
+        if (!mbox_base)
+                return -ENOMEM;
+
+        for (i = 0; list[i]; i++) {
+                ret = omap_mbox_register(&pdev->dev, list[i]);
+                if (ret)
+                        goto err_out;
         }
-#endif
         return 0;
 
-#if defined(CONFIG_ARCH_OMAP2420) /* IVA */
-err_iva1:
-        omap_mbox_unregister(&mbox_dsp_info);
-#endif
-
-err_dsp:
+err_out:
+        while (i--)
+                omap_mbox_unregister(list[i]);
         iounmap(mbox_base);
         return ret;
 }
 
 static int __devexit omap2_mbox_remove(struct platform_device *pdev)
 {
-#if defined(CONFIG_ARCH_OMAP2420)
-        if (cpu_is_omap2420())
-                omap_mbox_unregister(&mbox_iva_info);
-#endif
+        int i;
+
+        for (i = 0; list[i]; i++)
+                omap_mbox_unregister(list[i]);
 
-        if (cpu_is_omap44xx()) {
-                omap_mbox_unregister(&mbox_2_info);
-                omap_mbox_unregister(&mbox_1_info);
-        } else
-                omap_mbox_unregister(&mbox_dsp_info);
         iounmap(mbox_base);
         return 0;
 }