| Message ID | 1439291024-18375-1-git-send-email-srinivas.kandagatla@linaro.org |
|---|---|
| State | New |
| Headers | show |
On 15/08/15 08:21, Stefan Wahren wrote: > Hi Srinivas, > >> Srinivas Kandagatla <srinivas.kandagatla@linaro.org> hat am 11. August 2015 um >> 13:03 geschrieben: >> >> >> This patch adds perm variable to nvmem_config structure which will allow >> providers to specify the permissions required for the sysfs binary file. >> This permission is applied on top of root-only access permissions set by >> the core. >> >> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> >> --- >> drivers/nvmem/core.c | 1 + >> include/linux/nvmem-provider.h | 1 + >> 2 files changed, 2 insertions(+) >> >> diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c >> index 414ed23..7481387 100644 >> --- a/drivers/nvmem/core.c >> +++ b/drivers/nvmem/core.c >> @@ -312,6 +312,7 @@ struct nvmem_device *nvmem_register(const struct >> nvmem_config *config) >> config->read_only; >> nvmem->bin = bin_attr_template; >> nvmem->bin.attr.mode = nvmem->read_only ? : (S_IRUSR | S_IWUSR); >> + nvmem->bin.attr.mode |= config->perm; >> nvmem->bin.size = nvmem->size; >> device_initialize(&nvmem->dev); >> >> diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h >> index 0b68caf..de9a61f 100644 >> --- a/include/linux/nvmem-provider.h >> +++ b/include/linux/nvmem-provider.h >> @@ -23,6 +23,7 @@ struct nvmem_config { >> const struct nvmem_cell_info *cells; >> int ncells; >> bool read_only; >> + u16 perm; /* visibility in sysfs */ > > how about "umode_t mode" or "umode_t sysfs_mode"? > Yep, "umode_t mode" sounds much better. I will use it that. --srini > Beside that the whole series looks good to me. > > Thanks Stefan > -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 414ed23..7481387 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -312,6 +312,7 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) config->read_only; nvmem->bin = bin_attr_template; nvmem->bin.attr.mode = nvmem->read_only ? : (S_IRUSR | S_IWUSR); + nvmem->bin.attr.mode |= config->perm; nvmem->bin.size = nvmem->size; device_initialize(&nvmem->dev); diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index 0b68caf..de9a61f 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -23,6 +23,7 @@ struct nvmem_config { const struct nvmem_cell_info *cells; int ncells; bool read_only; + u16 perm; /* visibility in sysfs */ }; #if IS_ENABLED(CONFIG_NVMEM)
This patch adds perm variable to nvmem_config structure which will allow providers to specify the permissions required for the sysfs binary file. This permission is applied on top of root-only access permissions set by the core. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> --- drivers/nvmem/core.c | 1 + include/linux/nvmem-provider.h | 1 + 2 files changed, 2 insertions(+)