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SubjectRe: [PATCH] i2c: core: make exported functions non-static
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Hi Denis,

Thank you for the patch,

On 07/07/2019 22:04, Denis Efremov wrote:
> The functions i2c_new_client_device and i2c_new_dummy_device are declared
> static and marked EXPORT_SYMBOL_GPL(), which is at best an odd combination.
> Because the functions were decided to be a part of API, this commit removes
> the static attributes and adds the declarations to the header.

I'm afraid I think Wolfram pipped you to the post on this one.

He posted a very similar fix [0] on the 24th June.

[0]
https://lore.kernel.org/linux-renesas-soc/20190624170402.6944-1-wsa+renesas@sang-engineering.com/

I believe his patch is already applied and on it's way through the trees.

Regards

Kieran


> Fixes: 7159dbdae3c5 ("i2c: core: improve return value handling of i2c_new_device and i2c_new_dummy")
> Signed-off-by: Denis Efremov <efremov@linux.com>
> ---
> drivers/i2c/i2c-core-base.c | 4 ++--
> include/linux/i2c.h | 7 +++++++
> 2 files changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
> index 9e43508d4567..7792fa40fc32 100644
> --- a/drivers/i2c/i2c-core-base.c
> +++ b/drivers/i2c/i2c-core-base.c
> @@ -721,7 +721,7 @@ static int i2c_dev_irq_from_resources(const struct resource *resources,
> * This returns the new i2c client, which may be saved for later use with
> * i2c_unregister_device(); or an ERR_PTR to describe the error.
> */
> -static struct i2c_client *
> +struct i2c_client *
> i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
> {
> struct i2c_client *client;
> @@ -887,7 +887,7 @@ static struct i2c_driver dummy_driver = {
> * This returns the new i2c client, which should be saved for later use with
> * i2c_unregister_device(); or an ERR_PTR to describe the error.
> */
> -static struct i2c_client *
> +struct i2c_client *
> i2c_new_dummy_device(struct i2c_adapter *adapter, u16 address)
> {
> struct i2c_board_info info = {
> diff --git a/include/linux/i2c.h b/include/linux/i2c.h
> index 1308126fc384..fa42f6f594ce 100644
> --- a/include/linux/i2c.h
> +++ b/include/linux/i2c.h
> @@ -436,6 +436,10 @@ struct i2c_board_info {
> extern struct i2c_client *
> i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info);
>
> +extern struct i2c_client *
> +i2c_new_client_device(struct i2c_adapter *adap,
> + struct i2c_board_info const *info);
> +
> /* If you don't know the exact address of an I2C device, use this variant
> * instead, which can probe for device presence in a list of possible
> * addresses. The "probe" callback function is optional. If it is provided,
> @@ -457,6 +461,9 @@ extern int i2c_probe_func_quick_read(struct i2c_adapter *, unsigned short addr);
> extern struct i2c_client *
> i2c_new_dummy(struct i2c_adapter *adap, u16 address);
>
> +extern struct i2c_client *
> +i2c_new_dummy_device(struct i2c_adapter *adap, u16 address);
> +
> extern struct i2c_client *
> devm_i2c_new_dummy_device(struct device *dev, struct i2c_adapter *adap, u16 address);
>
>

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