Date: Sun, 18 Feb 2024 13:57:12 GMT From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: b98558e69b0a - main - aw_gpio: temporarily switch to input function if read in eint mode Message-ID: <202402181357.41IDvC28072509@gitrepo.freebsd.org>
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The branch main has been updated by avg: URL: https://cgit.FreeBSD.org/src/commit/?id=b98558e69b0aefbb99120a8a6ca7efbb8cafab5b commit b98558e69b0aefbb99120a8a6ca7efbb8cafab5b Author: Andriy Gapon <avg@FreeBSD.org> AuthorDate: 2024-02-18 13:55:20 +0000 Commit: Andriy Gapon <avg@FreeBSD.org> CommitDate: 2024-02-18 13:55:20 +0000 aw_gpio: temporarily switch to input function if read in eint mode This is needed for gpiokeys driver that needs to read input state after receiving an interrupt for either edge. PR: 248138 MFC after: 1 month --- sys/arm/allwinner/aw_gpio.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/sys/arm/allwinner/aw_gpio.c b/sys/arm/allwinner/aw_gpio.c index cee2cf056f42..6ff0516acb3f 100644 --- a/sys/arm/allwinner/aw_gpio.c +++ b/sys/arm/allwinner/aw_gpio.c @@ -654,18 +654,30 @@ aw_gpio_pin_get_locked(struct aw_gpio_softc *sc,uint32_t pin, unsigned int *val) { uint32_t bank, reg_data; + int32_t func; + int err; AW_GPIO_LOCK_ASSERT(sc); if (pin > sc->conf->padconf->npins) return (EINVAL); + func = aw_gpio_get_function(sc, pin); + if (func == sc->conf->padconf->pins[pin].eint_func) { /* "pl_eintX */ + err = aw_gpio_set_function(sc, pin, AW_GPIO_INPUT); + if (err != 0) + return (err); + } + bank = sc->conf->padconf->pins[pin].port; pin = sc->conf->padconf->pins[pin].pin; reg_data = AW_GPIO_READ(sc, AW_GPIO_GP_DAT(bank)); *val = (reg_data & (1 << pin)) ? 1 : 0; + if (func == sc->conf->padconf->pins[pin].eint_func) + (void)aw_gpio_set_function(sc, pin, func); + return (0); }
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