Re: [PATCH v7 7/9] clocksource: timer-dm: Hook device platform data if not already assigned

From: Sebastian Reichel
Date: Tue Jan 09 2018 - 04:19:55 EST


Hi,

On Tue, Jan 09, 2018 at 11:53:05AM +0530, Keerthy wrote:
> From: Ladislav Michl <ladis@xxxxxxxxxxxxxx>
>
> In the case of device tree boot the device platform data is usually
> NULL so hook the platform data obtained from the match.
> As part of un-constify the platform_data pointer.
>
> Signed-off-by: Ladislav Michl <ladis@xxxxxxxxxxxxxx>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>

-- Sebastian

> ---
> drivers/clocksource/timer-dm.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/clocksource/timer-dm.c b/drivers/clocksource/timer-dm.c
> index 1cbd954..60db173 100644
> --- a/drivers/clocksource/timer-dm.c
> +++ b/drivers/clocksource/timer-dm.c
> @@ -806,14 +806,16 @@ static int omap_dm_timer_probe(struct platform_device *pdev)
> struct omap_dm_timer *timer;
> struct resource *mem, *irq;
> struct device *dev = &pdev->dev;
> - const struct of_device_id *match;
> const struct dmtimer_platform_data *pdata;
> int ret;
>
> - match = of_match_device(of_match_ptr(omap_timer_match), dev);
> - pdata = match ? match->data : dev->platform_data;
> + pdata = of_device_get_match_data(dev);
> + if (!pdata)
> + pdata = dev_get_platdata(dev);
> + else
> + dev->platform_data = (void *)pdata;
>
> - if (!pdata && !dev->of_node) {
> + if (!pdata) {
> dev_err(dev, "%s: no platform data.\n", __func__);
> return -ENODEV;
> }
> --
> 1.9.1
>
> --
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