pinctrl: tegra: xusb: Add note about legacy status

Add a comment about why the call to of_match_node() cannot be replaced
by of_device_get_match_data(). This will hopefully prevent people from
attempting to clean this up in the future.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20190923095400.GA11084@ulmo
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Thierry Reding 2019-09-23 11:54:00 +02:00 committed by Linus Walleij
parent 5ff8aca906
commit 9978339ae4

View file

@ -885,6 +885,12 @@ int tegra_xusb_padctl_legacy_probe(struct platform_device *pdev)
mutex_init(&padctl->lock);
padctl->dev = &pdev->dev;
/*
* Note that we can't replace this by of_device_get_match_data()
* because we need the separate matching table for this legacy code on
* Tegra124. of_device_get_match_data() would attempt to use the table
* from the updated driver and fail.
*/
match = of_match_node(tegra_xusb_padctl_of_match, pdev->dev.of_node);
padctl->soc = match->data;