diff options
| author | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-01-08 10:15:37 +0100 |
|---|---|---|
| committer | Sekhar Nori <nsekhar@ti.com> | 2019-01-10 13:58:00 +0530 |
| commit | 2f983f8c9417551132d0a93131bc217a3b814d24 (patch) | |
| tree | 73aee47c1732a50952537ed8897e62b2d5d4fdd7 /arch/arm/mach-davinci/board-mityomapl138.c | |
| parent | 19e99de9a53f9ece6baf8e9a15428aedd4b20c86 (diff) | |
ARM: davinci: mityomapl138: use nvmem notifiers
Stop using the at24_platform_data setup callback in favor of nvmem
notifiers.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'arch/arm/mach-davinci/board-mityomapl138.c')
| -rw-r--r-- | arch/arm/mach-davinci/board-mityomapl138.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c index 3286dc2457a5..ac1a1699d185 100644 --- a/arch/arm/mach-davinci/board-mityomapl138.c +++ b/arch/arm/mach-davinci/board-mityomapl138.c @@ -15,6 +15,8 @@ #include <linux/console.h> #include <linux/platform_device.h> #include <linux/mtd/partitions.h> +#include <linux/notifier.h> +#include <linux/nvmem-consumer.h> #include <linux/nvmem-provider.h> #include <linux/regulator/machine.h> #include <linux/i2c.h> @@ -117,10 +119,15 @@ static void mityomapl138_cpufreq_init(const char *partnum) static void mityomapl138_cpufreq_init(const char *partnum) { } #endif -static void read_factory_config(struct nvmem_device *nvmem, void *context) +static int read_factory_config(struct notifier_block *nb, + unsigned long event, void *data) { int ret; const char *partnum = NULL; + struct nvmem_device *nvmem = data; + + if (strcmp(nvmem_dev_name(nvmem), "1-00500") != 0) + return NOTIFY_DONE; if (!IS_BUILTIN(CONFIG_NVMEM)) { pr_warn("Factory Config not available without CONFIG_NVMEM\n"); @@ -152,8 +159,14 @@ static void read_factory_config(struct nvmem_device *nvmem, void *context) bad_config: /* default maximum speed is valid for all platforms */ mityomapl138_cpufreq_init(partnum); + + return NOTIFY_STOP; } +static struct notifier_block mityomapl138_nvmem_notifier = { + .notifier_call = read_factory_config, +}; + /* * We don't define a cell for factory config as it will be accessed from the * board file using the nvmem notifier chain. @@ -183,8 +196,6 @@ static struct at24_platform_data mityomapl138_fd_chip = { .byte_len = 256, .page_size = 8, .flags = AT24_FLAG_READONLY | AT24_FLAG_IRUGO, - .setup = read_factory_config, - .context = NULL, }; static struct davinci_i2c_platform_data mityomap_i2c_0_pdata = { @@ -561,6 +572,7 @@ static void __init mityomapl138_init(void) davinci_serial_init(da8xx_serial_device); + nvmem_register_notifier(&mityomapl138_nvmem_notifier); nvmem_add_cell_table(&mityomapl138_nvmem_cell_table); nvmem_add_cell_lookups(&mityomapl138_nvmem_cell_lookup, 1); |