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rockchip: gpio: rk_gpio: use ROCKCHIP_GPIOS_PER_BANK as divider

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The current divider to calculate the bank ID can change.
Given the Rockchip TRM not all gpio-banks have 32 pins per bank.
The "gpio-ranges" syntax allows multiple items with variable number
of pins. Use a constant ROCKCHIP_GPIOS_PER_BANK as fixed divider.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Johan Jonker 2023-03-19 16:02:18 +01:00 committed by Kever Yang
parent ba607e2b9a
commit 3c4549771d
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/rk_gpio.c
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@ -160,7 +160,7 @@ static int rockchip_gpio_probe(struct udevice *dev)
0, &args);
if (!ret || ret != -ENOENT) {
uc_priv->gpio_count = args.args[2];
priv->bank = args.args[1] / args.args[2];
priv->bank = args.args[1] / ROCKCHIP_GPIOS_PER_BANK;
} else {
uc_priv->gpio_count = ROCKCHIP_GPIOS_PER_BANK;
end = strrchr(dev->name, '@');