From 06eaa531f2dd1a4d5137a1b49e7c762cc3689b14 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Mon, 11 Sep 2023 11:44:43 +0200 Subject: [PATCH] hte: tegra194: improve the GPIO-related comment Using any of the GPIO interfaces using the global numberspace is deprecated. Make it clear in the comment. Signed-off-by: Bartosz Golaszewski Acked-by: Linus Walleij Reviewed-by: Dipen Patel Signed-off-by: Dipen Patel --- drivers/hte/hte-tegra194.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/hte/hte-tegra194.c b/drivers/hte/hte-tegra194.c index 6fe6897047ac..9fd3c00ff695 100644 --- a/drivers/hte/hte-tegra194.c +++ b/drivers/hte/hte-tegra194.c @@ -407,12 +407,15 @@ static int tegra_hte_line_xlate(struct hte_chip *gc, return -EINVAL; /* + * GPIO consumers can access GPIOs in two ways: * - * There are two paths GPIO consumers can take as follows: - * 1) The consumer (gpiolib-cdev for example) which uses GPIO global - * number which gets assigned run time. - * 2) The consumer passing GPIO from the DT which is assigned - * statically for example by using TEGRA194_AON_GPIO gpio DT binding. + * 1) Using the global GPIO numberspace. + * + * This is the old, now DEPRECATED method and should not be used in + * new code. TODO: Check if tegra is even concerned by this. + * + * 2) Using GPIO descriptors that can be assigned to consumer devices + * using device-tree, ACPI or lookup tables. * * The code below addresses both the consumer use cases and maps into * HTE/GTE namespace.