ARM: sa11x0: neponset: dynamically create neponset child devices

Use platform_device_register_full() to dynamically create the various
neponset child platform devices, and place them below the neponset
device itself to ensure proper PM ordering and device structure.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 6f0aa91d5d34d453eaac3603714dd92a4b3703a3..164bc9801ed72246312144a59e89d80f492ca292 100644 (file)
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -1,6 +1,7 @@
 /*
  * linux/arch/arm/mach-sa1100/neponset.c
  */
+#include <linux/err.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/kernel.h>
@@ -22,6 +23,8 @@
 #include <mach/neponset.h>
 
 struct neponset_drvdata {
+       struct platform_device *sa1111;
+       struct platform_device *smc91x;
 #ifdef CONFIG_PM_SLEEP
        u32 ncr0;
        u32 mdm_ctl_0;
@@ -178,20 +181,6 @@ static struct sa1111_platform_data sa1111_info = {
        .irq_base       = IRQ_BOARD_END,
 };
 
-static u64 sa1111_dmamask = 0xffffffffUL;
-
-static struct platform_device sa1111_device = {
-       .name           = "sa1111",
-       .id             = 0,
-       .dev            = {
-               .dma_mask = &sa1111_dmamask,
-               .coherent_dma_mask = 0xffffffff,
-               .platform_data = &sa1111_info,
-       },
-       .num_resources  = ARRAY_SIZE(sa1111_resources),
-       .resource       = sa1111_resources,
-};
-
 static struct resource smc91x_resources[] = {
        [0] = DEFINE_RES_MEM_NAMED(SA1100_CS3_PHYS, 0x02000000, "smc91x-regs"),
        [1] = DEFINE_RES_IRQ(IRQ_NEPONSET_SMC9196),
@@ -199,16 +188,26 @@ static struct resource smc91x_resources[] = {
                        0x02000000, "smc91x-attrib"),
 };
 
-static struct platform_device smc91x_device = {
-       .name           = "smc91x",
-       .id             = 0,
-       .num_resources  = ARRAY_SIZE(smc91x_resources),
-       .resource       = smc91x_resources,
-};
-
 static int __devinit neponset_probe(struct platform_device *dev)
 {
        struct neponset_drvdata *d;
+       struct platform_device_info sa1111_devinfo = {
+               .parent = &dev->dev,
+               .name = "sa1111",
+               .id = 0,
+               .res = sa1111_resources,
+               .num_res = ARRAY_SIZE(sa1111_resources),
+               .data = &sa1111_info,
+               .size_data = sizeof(sa1111_info),
+               .dma_mask = 0xffffffffUL,
+       };
+       struct platform_device_info smc91x_devinfo = {
+               .parent = &dev->dev,
+               .name = "smc91x",
+               .id = 0,
+               .res = smc91x_resources,
+               .num_res = ARRAY_SIZE(smc91x_resources),
+       };
        int ret;
 
        d = kzalloc(sizeof(*d), GFP_KERNEL);
@@ -251,6 +250,9 @@ static int __devinit neponset_probe(struct platform_device *dev)
         */
        NCR_0 = NCR_GP01_OFF;
 
+       d->sa1111 = platform_device_register_full(&sa1111_devinfo);
+       d->smc91x = platform_device_register_full(&smc91x_devinfo);
+
        platform_set_drvdata(dev, d);
 
        return 0;
@@ -263,6 +265,10 @@ static int __devexit neponset_remove(struct platform_device *dev)
 {
        struct neponset_drvdata *d = platform_get_drvdata(dev);
 
+       if (!IS_ERR(d->sa1111))
+               platform_device_unregister(d->sa1111);
+       if (!IS_ERR(d->smc91x))
+               platform_device_unregister(d->smc91x);
        irq_set_chained_handler(IRQ_GPIO25, NULL);
 
        kfree(d);
@@ -318,12 +324,6 @@ static struct platform_device neponset_device = {
        .resource       = neponset_resources,
 };
 
-static struct platform_device *devices[] __initdata = {
-       &neponset_device,
-       &sa1111_device,
-       &smc91x_device,
-};
-
 extern void sa1110_mb_disable(void);
 
 static int __init neponset_init(void)
@@ -354,7 +354,7 @@ static int __init neponset_init(void)
                return -ENODEV;
        }
 
-       return platform_add_devices(devices, ARRAY_SIZE(devices));
+       return platform_device_register(&neponset_device);
 }
 
 subsys_initcall(neponset_init);