Re: [PATCH 2/9] i2c: i2c-imx: replace platform_driver_probe tosupport deferred probing

From: Uwe Kleine-König
Date: Wed Oct 09 2013 - 03:34:36 EST


On Tue, Oct 08, 2013 at 10:35:34PM +0200, Wolfram Sang wrote:
> Subsystems like pinctrl and gpio rightfully make use of deferred probing at
> core level. Now, deferred drivers won't be retried if they don't have a .probe
> function specified in the driver struct. Fix this driver to have that, so the
> devices it supports won't get lost in a deferred probe.
>
> Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> Cc: kernel@xxxxxxxxxxxxxx
Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Thanks
Uwe

> ---
> drivers/i2c/busses/i2c-imx.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
> index ccf4665..1d7efa3 100644
> --- a/drivers/i2c/busses/i2c-imx.c
> +++ b/drivers/i2c/busses/i2c-imx.c
> @@ -365,7 +365,7 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx)
> clk_disable_unprepare(i2c_imx->clk);
> }
>
> -static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
> +static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx,
> unsigned int rate)
> {
> struct imx_i2c_clk_pair *i2c_clk_div = i2c_imx->hwdata->clk_div;
> @@ -589,7 +589,7 @@ static struct i2c_algorithm i2c_imx_algo = {
> .functionality = i2c_imx_func,
> };
>
> -static int __init i2c_imx_probe(struct platform_device *pdev)
> +static int i2c_imx_probe(struct platform_device *pdev)
> {
> const struct of_device_id *of_id = of_match_device(i2c_imx_dt_ids,
> &pdev->dev);
> @@ -697,7 +697,7 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
> return 0; /* Return OK */
> }
>
> -static int __exit i2c_imx_remove(struct platform_device *pdev)
> +static int i2c_imx_remove(struct platform_device *pdev)
> {
> struct imx_i2c_struct *i2c_imx = platform_get_drvdata(pdev);
>
> @@ -715,7 +715,8 @@ static int __exit i2c_imx_remove(struct platform_device *pdev)
> }
>
> static struct platform_driver i2c_imx_driver = {
> - .remove = __exit_p(i2c_imx_remove),
> + .probe = i2c_imx_probe,
> + .remove = i2c_imx_remove,
> .driver = {
> .name = DRIVER_NAME,
> .owner = THIS_MODULE,
> @@ -726,7 +727,7 @@ static struct platform_driver i2c_imx_driver = {
>
> static int __init i2c_adap_imx_init(void)
> {
> - return platform_driver_probe(&i2c_imx_driver, i2c_imx_probe);
> + return platform_driver_register(&i2c_imx_driver);
> }
> subsys_initcall(i2c_adap_imx_init);
>
> --
> 1.8.4.rc3
>
>

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/