diff options
Diffstat (limited to 'target/linux/ramips/patches-5.4/112-gpio-mt7621-add-BGPIOF_NO_SET_ON_INPUT-flag.patch')
| -rw-r--r-- | target/linux/ramips/patches-5.4/112-gpio-mt7621-add-BGPIOF_NO_SET_ON_INPUT-flag.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-5.4/112-gpio-mt7621-add-BGPIOF_NO_SET_ON_INPUT-flag.patch b/target/linux/ramips/patches-5.4/112-gpio-mt7621-add-BGPIOF_NO_SET_ON_INPUT-flag.patch new file mode 100644 index 0000000000..862f9adb47 --- /dev/null +++ b/target/linux/ramips/patches-5.4/112-gpio-mt7621-add-BGPIOF_NO_SET_ON_INPUT-flag.patch @@ -0,0 +1,33 @@ +From ad65f02fd73e9a700f1693a4513ae923ca07beb0 Mon Sep 17 00:00:00 2001 +From: Chuanhong Guo <gch981213@gmail.com> +Date: Sun, 15 Mar 2020 20:13:38 +0800 +Subject: [PATCH] gpio: mt7621: add BGPIOF_NO_SET_ON_INPUT flag +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +DSET/DCLR registers only works on output pins. Add corresponding +BGPIOF_NO_SET_ON_INPUT flag to bgpio_init call to fix direction_out +behavior. + +Signed-off-by: Chuanhong Guo <gch981213@gmail.com> +Tested-by: René van Dorst <opensource@vdorst.com> +Reviewed-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> +Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> +--- + drivers/gpio/gpio-mt7621.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/gpio/gpio-mt7621.c ++++ b/drivers/gpio/gpio-mt7621.c +@@ -227,8 +227,8 @@ mediatek_gpio_bank_probe(struct device * + ctrl = mtk->base + GPIO_REG_DCLR + (rg->bank * GPIO_BANK_STRIDE); + diro = mtk->base + GPIO_REG_CTRL + (rg->bank * GPIO_BANK_STRIDE); + +- ret = bgpio_init(&rg->chip, dev, 4, +- dat, set, ctrl, diro, NULL, 0); ++ ret = bgpio_init(&rg->chip, dev, 4, dat, set, ctrl, diro, NULL, ++ BGPIOF_NO_SET_ON_INPUT); + if (ret) { + dev_err(dev, "bgpio_init() failed\n"); + return ret; |