diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2021-12-10 12:32:26 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-01-24 09:59:42 +0100 |
| commit | 9ca70f4202eab573ca9e427dd5ec08ae9c945bcb (patch) | |
| tree | 4e8841ba4d9fa7184e357ee14dc4f033d4e26797 | |
| parent | e783362eb54cd99b2cac8b3a9aeac942e6f6ac07 (diff) | |
pinctrl: renesas: rcar: Do not enforce GPIO if already muxed
For Renesas PFCs not setting .strict, we can snoop GPIOs which are
already muxed to some other function. To actually make use of that, we
shouldn't mux them back to GPIO if they have been already muxed to
something.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20211210113226.40111-1-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | drivers/pinctrl/renesas/pinctrl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/renesas/pinctrl.c b/drivers/pinctrl/renesas/pinctrl.c index 96b9de974246..401e64725032 100644 --- a/drivers/pinctrl/renesas/pinctrl.c +++ b/drivers/pinctrl/renesas/pinctrl.c @@ -397,7 +397,7 @@ static int sh_pfc_gpio_request_enable(struct pinctrl_dev *pctldev, spin_lock_irqsave(&pfc->lock, flags); - if (!pfc->gpio) { + if (!pfc->gpio && !cfg->mux_mark) { /* If GPIOs are handled externally the pin mux type needs to be * set to GPIO here. */ |