ARM: nomadik: register AMBA devices dynamically
Linus Walleij [Mon, 9 Jan 2012 11:40:02 +0000 (12:40 +0100)]
This makes AMBA devices on the Nomadik main CPU die register
dynamically, and refactor the registration of the RNG to use
this.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/mach-nomadik/board-nhk8815.c
arch/arm/mach-nomadik/cpu-8815.c

index 2e8d3e1..43b844e 100644 (file)
@@ -185,17 +185,6 @@ static void __init nhk8815_onenand_init(void)
 #endif
 }
 
-static AMBA_APB_DEVICE(uart0, "uart0", 0, NOMADIK_UART0_BASE,
-       { IRQ_UART0 }, NULL);
-
-static AMBA_APB_DEVICE(uart1, "uart1", 0, NOMADIK_UART1_BASE,
-       { IRQ_UART1 }, NULL);
-
-static struct amba_device *amba_devs[] __initdata = {
-       &uart0_device,
-       &uart1_device,
-};
-
 static struct resource nhk8815_eth_resources[] = {
        {
                .name = "smc91x-regs",
@@ -255,15 +244,13 @@ static struct sys_timer nomadik_timer = {
 
 static void __init nhk8815_platform_init(void)
 {
-       int i;
-
        cpu8815_platform_init();
        nhk8815_onenand_init();
        platform_add_devices(nhk8815_platform_devices,
                             ARRAY_SIZE(nhk8815_platform_devices));
 
-       for (i = 0; i < ARRAY_SIZE(amba_devs); i++)
-               amba_device_register(amba_devs[i], &iomem_resource);
+       amba_apb_device_add(NULL, "uart0", NOMADIK_UART0_BASE, SZ_4K, IRQ_UART0, 0, NULL, 0);
+       amba_apb_device_add(NULL, "uart1", NOMADIK_UART1_BASE, SZ_4K, IRQ_UART1, 0, NULL, 0);
 }
 
 MACHINE_START(NOMADIK, "NHK8815")
index b79b384..c0f28a6 100644 (file)
@@ -22,6 +22,9 @@
 #include <linux/amba/bus.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/slab.h>
+#include <linux/irq.h>
+#include <linux/dma-mapping.h>
 
 #include <plat/gpio-nomadik.h>
 #include <mach/hardware.h>
 #include "clock.h"
 #include "cpu-8815.h"
 
-static AMBA_APB_DEVICE(cpu8815_amba_rng, "rng", 0, NOMADIK_RNG_BASE, { }, NULL);
-
-static struct amba_device *amba_devs[] __initdata = {
-       &cpu8815_amba_rng_device
-};
-
 /* The 8815 has 4 GPIO blocks, let's register them immediately */
 static resource_size_t __initdata cpu8815_gpio_base[] = {
        NOMADIK_GPIO0_BASE,
@@ -88,15 +85,13 @@ void cpu8815_add_gpios(resource_size_t *base, int num, int irq,
 
 static int __init cpu8815_init(void)
 {
-       int i;
        struct nmk_gpio_platform_data pdata = {
                /* No custom data yet */
        };
 
        cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base),
                          IRQ_GPIO0, &pdata);
-       for (i = 0; i < ARRAY_SIZE(amba_devs); i++)
-               amba_device_register(amba_devs[i], &iomem_resource);
+       amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0);
        return 0;
 }
 arch_initcall(cpu8815_init);