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nvmem: core: Allow specifying device name verbatim

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Add code to allow avoid having nvmem core append a numeric suffix to
the end of the name by passing config->id of -1.

Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Carlo Caione <carlo@caione.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: cphealy@gmail.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-rockchip@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andrey Smirnov 2018-03-09 14:46:56 +00:00 committed by Greg Kroah-Hartman
parent 0b2ed745e7
commit fd0f4906a3
2 changed files with 11 additions and 3 deletions
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11
drivers/nvmem/core.c
View File

@ -473,9 +473,14 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
nvmem->reg_read = config->reg_read;
nvmem->reg_write = config->reg_write;
nvmem->dev.of_node = config->dev->of_node;
dev_set_name(&nvmem->dev, "%s%d",
config->name ? : "nvmem",
config->name ? config->id : nvmem->id);
if (config->id == -1 && config->name) {
dev_set_name(&nvmem->dev, "%s", config->name);
} else {
dev_set_name(&nvmem->dev, "%s%d",
config->name ? : "nvmem",
config->name ? config->id : nvmem->id);
}
nvmem->read_only = device_property_present(config->dev, "read-only") |
config->read_only;

3
include/linux/nvmem-provider.h
View File

@ -43,6 +43,9 @@ typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset,
* Note: A default "nvmem<id>" name will be assigned to the device if
* no name is specified in its configuration. In such case "<id>" is
* generated with ida_simple_get() and provided id field is ignored.
*
* Note: Specifying name and setting id to -1 implies a unique device
* whose name is provided as-is (kept unaltered).
*/
struct nvmem_config {
struct device *dev;