From fd0f4906a3cdf2fedc980764a073f2313bdf1f47 Mon Sep 17 00:00:00 2001 From: Andrey Smirnov Date: Fri, 9 Mar 2018 14:46:56 +0000 Subject: [PATCH] nvmem: core: Allow specifying device name verbatim 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 Cc: Heiko Stuebner Cc: Masahiro Yamada Cc: Carlo Caione Cc: Kevin Hilman Cc: Matthias Brugger 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 Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman --- drivers/nvmem/core.c | 11 ++++++++--- include/linux/nvmem-provider.h | 3 +++ 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 35a3dbeea324..99e04cfcc723 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -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; diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index a39f76ff2ccd..b00567a07496 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -43,6 +43,9 @@ typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset, * Note: A default "nvmem" name will be assigned to the device if * no name is specified in its configuration. In such case "" 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; -- 2.11.0