From: Ben Dooks Date: Mon, 28 Sep 2009 10:59:49 +0000 (+0300) Subject: ARM: S3C: Add NAND device platform data set call X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=2a3a18045b136487b22733d57410e6dccd34ac84;p=openwrt%2Fstaging%2Fblogic.git ARM: S3C: Add NAND device platform data set call --- diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c index 647c9adb018f..c1219b10b18c 100644 --- a/arch/arm/mach-s3c2410/mach-bast.c +++ b/arch/arm/mach-s3c2410/mach-bast.c @@ -247,7 +247,7 @@ static int chip0_map[] = { 1 }; static int chip1_map[] = { 2 }; static int chip2_map[] = { 3 }; -static struct mtd_partition bast_default_nand_part[] = { +static struct mtd_partition __initdata bast_default_nand_part[] = { [0] = { .name = "Boot Agent", .size = SZ_16K, @@ -273,7 +273,7 @@ static struct mtd_partition bast_default_nand_part[] = { * socket. */ -static struct s3c2410_nand_set bast_nand_sets[] = { +static struct s3c2410_nand_set __initdata bast_nand_sets[] = { [0] = { .name = "SmartMedia", .nr_chips = 1, @@ -323,7 +323,7 @@ static void bast_nand_select(struct s3c2410_nand_set *set, int slot) __raw_writeb(tmp, BAST_VA_CTRL2); } -static struct s3c2410_platform_nand bast_nand_info = { +static struct s3c2410_platform_nand __initdata bast_nand_info = { .tacls = 30, .twrph0 = 60, .twrph1 = 60, @@ -625,7 +625,6 @@ static void __init bast_map_io(void) s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks)); - s3c_device_nand.dev.platform_data = &bast_nand_info; s3c_device_hwmon.dev.platform_data = &bast_hwmon_info; s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc)); @@ -639,6 +638,7 @@ static void __init bast_init(void) sysdev_register(&bast_pm_sysdev); s3c_i2c0_set_platdata(&bast_i2c_info); + s3c_nand_set_platdata(&bast_nand_info); s3c24xx_fb_set_platdata(&bast_fb_info); platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices)); diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c index 2cc9849eb448..ab092bcda393 100644 --- a/arch/arm/mach-s3c2410/mach-qt2410.c +++ b/arch/arm/mach-s3c2410/mach-qt2410.c @@ -258,7 +258,7 @@ static struct platform_device *qt2410_devices[] __initdata = { &qt2410_led, }; -static struct mtd_partition qt2410_nand_part[] = { +static struct mtd_partition __initdata qt2410_nand_part[] = { [0] = { .name = "U-Boot", .size = 0x30000, @@ -286,7 +286,7 @@ static struct mtd_partition qt2410_nand_part[] = { }, }; -static struct s3c2410_nand_set qt2410_nand_sets[] = { +static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = { [0] = { .name = "NAND", .nr_chips = 1, @@ -299,7 +299,7 @@ static struct s3c2410_nand_set qt2410_nand_sets[] = { * chips and beyond. */ -static struct s3c2410_platform_nand qt2410_nand_info = { +static struct s3c2410_platform_nand __initdata qt2410_nand_info = { .tacls = 20, .twrph0 = 60, .twrph1 = 20, @@ -331,7 +331,7 @@ static void __init qt2410_map_io(void) static void __init qt2410_machine_init(void) { - s3c_device_nand.dev.platform_data = &qt2410_nand_info; + s3c_nand_set_platdata(&qt2410_nand_info); switch (tft_type) { case 'p': /* production */ diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c index 8df506eac903..c9fa3fca486c 100644 --- a/arch/arm/mach-s3c2412/mach-jive.c +++ b/arch/arm/mach-s3c2412/mach-jive.c @@ -96,7 +96,7 @@ static struct s3c2410_uartcfg jive_uartcfgs[] = { * 0x017d0000-0x02bd0000 : cramfs B * 0x02bd0000-0x03fd0000 : yaffs */ -static struct mtd_partition jive_imageA_nand_part[] = { +static struct mtd_partition __initdata jive_imageA_nand_part[] = { #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER /* Don't allow access to the bootloader from linux */ @@ -154,7 +154,7 @@ static struct mtd_partition jive_imageA_nand_part[] = { }, }; -static struct mtd_partition jive_imageB_nand_part[] = { +static struct mtd_partition __initdata jive_imageB_nand_part[] = { #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER /* Don't allow access to the bootloader from linux */ @@ -213,7 +213,7 @@ static struct mtd_partition jive_imageB_nand_part[] = { }, }; -static struct s3c2410_nand_set jive_nand_sets[] = { +static struct s3c2410_nand_set __initdata jive_nand_sets[] = { [0] = { .name = "flash", .nr_chips = 1, @@ -222,7 +222,7 @@ static struct s3c2410_nand_set jive_nand_sets[] = { }, }; -static struct s3c2410_platform_nand jive_nand_info = { +static struct s3c2410_platform_nand __initdata jive_nand_info = { /* set taken from osiris nand timings, possibly still conservative */ .tacls = 30, .twrph0 = 55, @@ -631,7 +631,8 @@ static void __init jive_machine_init(void) s3c_pm_init(); - s3c_device_nand.dev.platform_data = &jive_nand_info; + /** TODO - check that this is after the cmdline option! */ + s3c_nand_set_platdata(&jive_nand_info); /* initialise the spi */ diff --git a/arch/arm/mach-s3c2412/mach-vstms.c b/arch/arm/mach-s3c2412/mach-vstms.c index 11e8ad49fc7b..a6ba591b26bb 100644 --- a/arch/arm/mach-s3c2412/mach-vstms.c +++ b/arch/arm/mach-s3c2412/mach-vstms.c @@ -76,7 +76,7 @@ static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = { } }; -static struct mtd_partition vstms_nand_part[] = { +static struct mtd_partition __initdata vstms_nand_part[] = { [0] = { .name = "Boot Agent", .size = 0x7C000, @@ -99,7 +99,7 @@ static struct mtd_partition vstms_nand_part[] = { }, }; -static struct s3c2410_nand_set vstms_nand_sets[] = { +static struct s3c2410_nand_set __initdata vstms_nand_sets[] = { [0] = { .name = "NAND", .nr_chips = 1, @@ -112,7 +112,7 @@ static struct s3c2410_nand_set vstms_nand_sets[] = { * chips and beyond. */ -static struct s3c2410_platform_nand vstms_nand_info = { +static struct s3c2410_platform_nand __initdata vstms_nand_info = { .tacls = 20, .twrph0 = 60, .twrph1 = 20, @@ -143,8 +143,6 @@ static void __init vstms_fixup(struct machine_desc *desc, static void __init vstms_map_io(void) { - s3c_device_nand.dev.platform_data = &vstms_nand_info; - s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc)); s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs)); @@ -153,6 +151,8 @@ static void __init vstms_map_io(void) static void __init vstms_init(void) { s3c_i2c0_set_platdata(NULL); + s3c_nand_set_platdata(&vstms_nand_info); + platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices)); } diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c index 68f3870991bf..5f5dccf306a8 100644 --- a/arch/arm/mach-s3c2440/mach-anubis.c +++ b/arch/arm/mach-s3c2440/mach-anubis.c @@ -138,7 +138,7 @@ static int external_map[] = { 2 }; static int chip0_map[] = { 0 }; static int chip1_map[] = { 1 }; -static struct mtd_partition anubis_default_nand_part[] = { +static struct mtd_partition __initdata anubis_default_nand_part[] = { [0] = { .name = "Boot Agent", .size = SZ_16K, @@ -161,7 +161,7 @@ static struct mtd_partition anubis_default_nand_part[] = { } }; -static struct mtd_partition anubis_default_nand_part_large[] = { +static struct mtd_partition __initdata anubis_default_nand_part_large[] = { [0] = { .name = "Boot Agent", .size = SZ_128K, @@ -191,7 +191,7 @@ static struct mtd_partition anubis_default_nand_part_large[] = { * socket. */ -static struct s3c2410_nand_set anubis_nand_sets[] = { +static struct s3c2410_nand_set __initdata anubis_nand_sets[] = { [1] = { .name = "External", .nr_chips = 1, @@ -233,7 +233,7 @@ static void anubis_nand_select(struct s3c2410_nand_set *set, int slot) __raw_writeb(tmp, ANUBIS_VA_CTRL1); } -static struct s3c2410_platform_nand anubis_nand_info = { +static struct s3c2410_platform_nand __initdata anubis_nand_info = { .tacls = 25, .twrph0 = 55, .twrph1 = 40, @@ -454,8 +454,6 @@ static void __init anubis_map_io(void) s3c24xx_register_clocks(anubis_clocks, ARRAY_SIZE(anubis_clocks)); - s3c_device_nand.dev.platform_data = &anubis_nand_info; - s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc)); s3c24xx_init_clocks(0); s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs)); @@ -476,6 +474,8 @@ static void __init anubis_map_io(void) static void __init anubis_init(void) { s3c_i2c0_set_platdata(NULL); + s3c_nand_set_platdata(&anubis_nand_info); + platform_add_devices(anubis_devices, ARRAY_SIZE(anubis_devices)); i2c_register_board_info(0, anubis_i2c_devs, diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c index dfc7010935da..d73ef9ac202b 100644 --- a/arch/arm/mach-s3c2440/mach-at2440evb.c +++ b/arch/arm/mach-s3c2440/mach-at2440evb.c @@ -96,7 +96,7 @@ static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = { /* NAND Flash on AT2440EVB board */ -static struct mtd_partition at2440evb_default_nand_part[] = { +static struct mtd_partition __initdata at2440evb_default_nand_part[] = { [0] = { .name = "Boot Agent", .size = SZ_256K, @@ -114,7 +114,7 @@ static struct mtd_partition at2440evb_default_nand_part[] = { }, }; -static struct s3c2410_nand_set at2440evb_nand_sets[] = { +static struct s3c2410_nand_set __initdata at2440evb_nand_sets[] = { [0] = { .name = "nand", .nr_chips = 1, @@ -123,7 +123,7 @@ static struct s3c2410_nand_set at2440evb_nand_sets[] = { }, }; -static struct s3c2410_platform_nand at2440evb_nand_info = { +static struct s3c2410_platform_nand __initdata at2440evb_nand_info = { .tacls = 25, .twrph0 = 55, .twrph1 = 40, @@ -216,7 +216,6 @@ static struct platform_device *at2440evb_devices[] __initdata = { static void __init at2440evb_map_io(void) { - s3c_device_nand.dev.platform_data = &at2440evb_nand_info; s3c_device_sdi.name = "s3c2440-sdi"; s3c_device_sdi.dev.platform_data = &at2440evb_mci_pdata; @@ -228,6 +227,7 @@ static void __init at2440evb_map_io(void) static void __init at2440evb_init(void) { s3c24xx_fb_set_platdata(&at2440evb_fb_info); + s3c_nand_set_platdata(&at2440evb_nand_info); s3c_i2c0_set_platdata(NULL); platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices)); diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c index 1c3382fefdd2..547d4fc99131 100644 --- a/arch/arm/mach-s3c2440/mach-mini2440.c +++ b/arch/arm/mach-s3c2440/mach-mini2440.c @@ -532,7 +532,6 @@ static void __init mini2440_map_io(void) s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs)); - s3c_device_nand.dev.platform_data = &mini2440_nand_info; s3c_device_sdi.dev.platform_data = &mini2440_mmc_cfg; } @@ -677,8 +676,11 @@ static void __init mini2440_init(void) printk("\n"); s3c24xx_fb_set_platdata(&mini2440_fb_info); } + s3c24xx_udc_set_platdata(&mini2440_udc_cfg); + s3c_nand_set_platdata(&mini2440_nand_info); s3c_i2c0_set_platdata(NULL); + i2c_register_board_info(0, mini2440_i2c_devs, ARRAY_SIZE(mini2440_i2c_devs)); diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c index 2105a41281a4..468a0ea3708b 100644 --- a/arch/arm/mach-s3c2440/mach-osiris.c +++ b/arch/arm/mach-s3c2440/mach-osiris.c @@ -148,7 +148,7 @@ static int external_map[] = { 2 }; static int chip0_map[] = { 0 }; static int chip1_map[] = { 1 }; -static struct mtd_partition osiris_default_nand_part[] = { +static struct mtd_partition __initdata osiris_default_nand_part[] = { [0] = { .name = "Boot Agent", .size = SZ_16K, @@ -171,7 +171,7 @@ static struct mtd_partition osiris_default_nand_part[] = { } }; -static struct mtd_partition osiris_default_nand_part_large[] = { +static struct mtd_partition __initdata osiris_default_nand_part_large[] = { [0] = { .name = "Boot Agent", .size = SZ_128K, @@ -201,7 +201,7 @@ static struct mtd_partition osiris_default_nand_part_large[] = { * socket. */ -static struct s3c2410_nand_set osiris_nand_sets[] = { +static struct s3c2410_nand_set __initdata osiris_nand_sets[] = { [1] = { .name = "External", .nr_chips = 1, @@ -243,7 +243,7 @@ static void osiris_nand_select(struct s3c2410_nand_set *set, int slot) __raw_writeb(tmp, OSIRIS_VA_CTRL0); } -static struct s3c2410_platform_nand osiris_nand_info = { +static struct s3c2410_platform_nand __initdata osiris_nand_info = { .tacls = 25, .twrph0 = 60, .twrph1 = 60, @@ -377,8 +377,6 @@ static void __init osiris_map_io(void) s3c24xx_register_clocks(osiris_clocks, ARRAY_SIZE(osiris_clocks)); - s3c_device_nand.dev.platform_data = &osiris_nand_info; - s3c24xx_init_io(osiris_iodesc, ARRAY_SIZE(osiris_iodesc)); s3c24xx_init_clocks(0); s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs)); @@ -408,6 +406,7 @@ static void __init osiris_init(void) sysdev_register(&osiris_pm_sysdev); s3c_i2c0_set_platdata(NULL); + s3c_nand_set_platdata(&osiris_nand_info); s3c_cpufreq_setboard(&osiris_cpufreq); diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c index bc8d8d1ebd1a..d77b8837b12f 100644 --- a/arch/arm/mach-s3c2440/mach-rx3715.c +++ b/arch/arm/mach-s3c2440/mach-rx3715.c @@ -149,7 +149,7 @@ static struct s3c2410fb_mach_info rx3715_fb_info __initdata = { .gpdup_mask = 0xffffffff, }; -static struct mtd_partition rx3715_nand_part[] = { +static struct mtd_partition __initdata rx3715_nand_part[] = { [0] = { .name = "Whole Flash", .offset = 0, @@ -158,7 +158,7 @@ static struct mtd_partition rx3715_nand_part[] = { } }; -static struct s3c2410_nand_set rx3715_nand_sets[] = { +static struct s3c2410_nand_set __initdata rx3715_nand_sets[] = { [0] = { .name = "Internal", .nr_chips = 1, @@ -167,7 +167,7 @@ static struct s3c2410_nand_set rx3715_nand_sets[] = { }, }; -static struct s3c2410_platform_nand rx3715_nand_info = { +static struct s3c2410_platform_nand __initdata rx3715_nand_info = { .tacls = 25, .twrph0 = 50, .twrph1 = 15, @@ -186,8 +186,6 @@ static struct platform_device *rx3715_devices[] __initdata = { static void __init rx3715_map_io(void) { - s3c_device_nand.dev.platform_data = &rx3715_nand_info; - s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc)); s3c24xx_init_clocks(16934000); s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs)); @@ -205,6 +203,7 @@ static void __init rx3715_init_machine(void) #endif s3c_pm_init(); + s3c_nand_set_platdata(&rx3715_nand_info); s3c24xx_fb_set_platdata(&rx3715_fb_info); platform_add_devices(rx3715_devices, ARRAY_SIZE(rx3715_devices)); } diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c index 0fb385bd9cd9..f76d6ff4aeb9 100644 --- a/arch/arm/mach-s3c2442/mach-gta02.c +++ b/arch/arm/mach-s3c2442/mach-gta02.c @@ -423,7 +423,7 @@ static struct i2c_board_info gta02_i2c_devs[] __initdata = { }, }; -static struct s3c2410_nand_set gta02_nand_sets[] = { +static struct s3c2410_nand_set __initdata gta02_nand_sets[] = { [0] = { /* * This name is also hard-coded in the boot loaders, so @@ -442,7 +442,7 @@ static struct s3c2410_nand_set gta02_nand_sets[] = { * data sheet (K5D2G13ACM-D075 MCP Memory). */ -static struct s3c2410_platform_nand gta02_nand_info = { +static struct s3c2410_platform_nand __initdata gta02_nand_info = { .tacls = 0, .twrph0 = 25, .twrph1 = 15, @@ -621,9 +621,9 @@ static void __init gta02_machine_init(void) #endif s3c_device_usb.dev.platform_data = >a02_usb_info; - s3c_device_nand.dev.platform_data = >a02_nand_info; s3c24xx_udc_set_platdata(>a02_udc_cfg); + s3c_nand_set_platdata(>a02_nand_info); s3c_i2c0_set_platdata(NULL); i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs)); diff --git a/arch/arm/mach-s3c6410/mach-hmt.c b/arch/arm/mach-s3c6410/mach-hmt.c index c5741056193f..cdd4b5378552 100644 --- a/arch/arm/mach-s3c6410/mach-hmt.c +++ b/arch/arm/mach-s3c6410/mach-hmt.c @@ -250,7 +250,7 @@ static void __init hmt_machine_init(void) { s3c_i2c0_set_platdata(NULL); s3c_fb_set_platdata(&hmt_lcd_pdata); - s3c_device_nand.dev.platform_data = &hmt_nand_info; + s3c_nand_set_platdata(&hmt_nand_info); gpio_request(S3C64XX_GPC(7), "usb power"); gpio_direction_output(S3C64XX_GPC(7), 0); diff --git a/arch/arm/plat-s3c/dev-nand.c b/arch/arm/plat-s3c/dev-nand.c index 4e5323732434..e771e77dcd54 100644 --- a/arch/arm/plat-s3c/dev-nand.c +++ b/arch/arm/plat-s3c/dev-nand.c @@ -9,8 +9,12 @@ #include #include +#include +#include + #include #include +#include static struct resource s3c_nand_resource[] = { [0] = { @@ -28,3 +32,96 @@ struct platform_device s3c_device_nand = { }; EXPORT_SYMBOL(s3c_device_nand); + +/** + * s3c_nand_copy_set() - copy nand set data + * @set: The new structure, directly copied from the old. + * + * Copy all the fields from the NAND set field from what is probably __initdata + * to new kernel memory. The code returns 0 if the copy happened correctly or + * an error code for the calling function to display. + * + * Note, we currently do not try and look to see if we've already copied the + * data in a previous set. + */ +static int __init s3c_nand_copy_set(struct s3c2410_nand_set *set) +{ + void *ptr; + int size; + + size = sizeof(struct mtd_partition) * set->nr_partitions; + if (size) { + ptr = kmemdup(set->partitions, size, GFP_KERNEL); + set->partitions = ptr; + + if (!ptr) + return -ENOMEM; + } + + size = sizeof(int) * set->nr_chips; + if (size) { + ptr = kmemdup(set->nr_map, size, GFP_KERNEL); + set->nr_map = ptr; + + if (!ptr) + return -ENOMEM; + } + + if (set->ecc_layout) { + ptr = kmemdup(set->ecc_layout, + sizeof(struct nand_ecclayout), GFP_KERNEL); + set->ecc_layout = ptr; + + if (!ptr) + return -ENOMEM; + } + + return 0; +} + +void __init s3c_nand_set_platdata(struct s3c2410_platform_nand *nand) +{ + struct s3c2410_platform_nand *npd; + int size; + int ret; + + /* note, if we get a failure in allocation, we simply drop out of the + * function. If there is so little memory available at initialisation + * time then there is little chance the system is going to run. + */ + + npd = kmemdup(nand, sizeof(struct s3c2410_platform_nand), GFP_KERNEL); + if (!npd) { + printk(KERN_ERR "%s: failed copying platform data\n", __func__); + return; + } + + /* now see if we need to copy any of the nand set data */ + + size = sizeof(struct s3c2410_nand_set) * npd->nr_sets; + if (size) { + struct s3c2410_nand_set *from = npd->sets; + struct s3c2410_nand_set *to; + int i; + + to = kmemdup(from, size, GFP_KERNEL); + npd->sets = to; /* set, even if we failed */ + + if (!to) { + printk(KERN_ERR "%s: no memory for sets\n", __func__); + return; + } + + for (i = 0; i < npd->nr_sets; i++) { + ret = s3c_nand_copy_set(to); + if (!ret) { + printk(KERN_ERR "%s: failed to copy set %d\n", + __func__, i); + return; + } + to++; + } + } +} + +EXPORT_SYMBOL_GPL(s3c_nand_set_platdata); diff --git a/arch/arm/plat-s3c/include/plat/nand.h b/arch/arm/plat-s3c/include/plat/nand.h index 18f958801e64..065985978413 100644 --- a/arch/arm/plat-s3c/include/plat/nand.h +++ b/arch/arm/plat-s3c/include/plat/nand.h @@ -55,3 +55,11 @@ struct s3c2410_platform_nand { int chip); }; +/** + * s3c_nand_set_platdata() - register NAND platform data. + * @nand: The NAND platform data to register with s3c_device_nand. + * + * This function copies the given NAND platform data, @nand and registers + * it with the s3c_device_nand. This allows @nand to be __initdata. +*/ +extern void s3c_nand_set_platdata(struct s3c2410_platform_nand *nand); diff --git a/arch/arm/plat-s3c24xx/common-smdk.c b/arch/arm/plat-s3c24xx/common-smdk.c index aa119863c5ce..9e0e20ad2e46 100644 --- a/arch/arm/plat-s3c24xx/common-smdk.c +++ b/arch/arm/plat-s3c24xx/common-smdk.c @@ -198,7 +198,7 @@ void __init smdk_machine_init(void) if (machine_is_smdk2443()) smdk_nand_info.twrph0 = 50; - s3c_device_nand.dev.platform_data = &smdk_nand_info; + s3c_nand_set_platdata(&smdk_nand_info); platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));