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SubjectRe: [PATCH v5 05/11] nvmem: Add nvmem_device based consumer apis.
On 05/21/2015 09:43 AM, Srinivas Kandagatla wrote:
> diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
> index 8a4b358..68ee8d1 100644
> --- a/drivers/nvmem/core.c
> +++ b/drivers/nvmem/core.c
> @@ -436,6 +436,51 @@ static int __nvmem_device_put(struct nvmem_device *nvmem)
> return 0;
> }
>
> +static int nvmem_match(struct device *dev, const void *data)
> +{
> + return !strcmp(dev_name(dev), (const char *)data);

Unnecessary cast.

> +}
> +
> +static struct nvmem_device *nvmem_find(const char *name)
> +{
> + struct device *d;
> +
> + d = class_find_device(&nvmem_class, NULL, (void *)name, nvmem_match);

Unnecessary cast

> +
> + return d ? to_nvmem_device(d) : NULL;
> +}

[...]
> +
> +void nvmem_device_put(struct nvmem_device *nvmem)
> +{
> + __nvmem_device_put(nvmem);
> +}
> +EXPORT_SYMBOL_GPL(nvmem_device_put);
>
> +int nvmem_device_cell_read(struct nvmem_device *nvmem,
> + struct nvmem_cell_info *info, void *buf)
> +{
> +}
> +EXPORT_SYMBOL_GPL(nvmem_device_cell_read);
> +
> +int nvmem_device_cell_write(struct nvmem_device *nvmem,
> + struct nvmem_cell_info *info, void *buf)
> +{
> +}
> +EXPORT_SYMBOL_GPL(nvmem_device_cell_write);
> +
> +int nvmem_device_read(struct nvmem_device *nvmem,
> + unsigned int offset,
> + size_t bytes, void *buf)
> +{
> +}
> +EXPORT_SYMBOL_GPL(nvmem_device_read);
> +
> +int nvmem_device_write(struct nvmem_device *nvmem,
> + unsigned int offset,
> + size_t bytes, void *buf)
> +{
> +}
> +EXPORT_SYMBOL_GPL(nvmem_device_write);

Can you please add kernel-doc on these exported APIs?

> +
> static int nvmem_init(void)
> {
> return class_register(&nvmem_class);
> diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
> index c3fa8c7..66c67ba 100644
> --- a/include/linux/nvmem-consumer.h
> +++ b/include/linux/nvmem-consumer.h
> @@ -23,6 +32,18 @@ void nvmem_cell_put(struct nvmem_cell *cell);
> void *nvmem_cell_read(struct nvmem_cell *cell, ssize_t *len);
> int nvmem_cell_write(struct nvmem_cell *cell, void *buf, ssize_t len);
>
> +/* direct nvmem device read/write interface */
> +struct nvmem_device *nvmem_device_get(struct device *dev, const char *name);
> +void nvmem_device_put(struct nvmem_device *nvmem);
> +int nvmem_device_read(struct nvmem_device *nvmem, unsigned int offset,
> + size_t bytes, void *buf);
> +int nvmem_device_write(struct nvmem_device *nvmem, unsigned int offset,
> + size_t bytes, void *buf);
> +int nvmem_device_cell_read(struct nvmem_device *nvmem,
> + struct nvmem_cell_info *info, void *buf);
> +int nvmem_device_cell_write(struct nvmem_device *nvmem,
> + struct nvmem_cell_info *info, void *buf);
> +

Can we also have devm_nvmem_*_get() APIs please?

> diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
> index 4908b37..7a982cd 100644
> --- a/include/linux/nvmem-provider.h
> +++ b/include/linux/nvmem-provider.h
> @@ -12,15 +12,9 @@
> #ifndef _LINUX_NVMEM_PROVIDER_H
> #define _LINUX_NVMEM_PROVIDER_H
>
> -struct nvmem_device;
> +#include <linux/nvmem-consumer.h>
>
> -struct nvmem_cell_info {
> - const char *name;
> - int offset;
> - int bytes;
> - int bit_offset;
> - int nbits;
> -};
> +struct nvmem_device;

Should this diff be part of an earlier patch?

--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project



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