From 923d89316ae6e48a4ce5abd4324c74aae38dddde Mon Sep 17 00:00:00 2001 From: Samuel Holland Date: Wed, 20 Oct 2021 23:01:29 -0500 Subject: [PATCH] i2c: sun6i_p2wi: Only do non-DM pin setup for non-DM I2C When the DM_I2C driver is loaded, the pin setup is done automatically from the device tree by the pinctrl driver. Signed-off-by: Samuel Holland Reviewed-by: Andre Przywara Signed-off-by: Andre Przywara --- drivers/i2c/sun6i_p2wi.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/i2c/sun6i_p2wi.c b/drivers/i2c/sun6i_p2wi.c index c9e1b3fcd5..73b808b09b 100644 --- a/drivers/i2c/sun6i_p2wi.c +++ b/drivers/i2c/sun6i_p2wi.c @@ -102,12 +102,6 @@ static int sun6i_p2wi_change_to_p2wi_mode(struct sunxi_p2wi_reg *base, static void sun6i_p2wi_init(struct sunxi_p2wi_reg *base) { - /* Enable p2wi and PIO clk, and de-assert their resets */ - prcm_apb0_enable(PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_P2WI); - - sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN6I_GPL0_R_P2WI_SCK); - sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN6I_GPL1_R_P2WI_SDA); - /* Reset p2wi controller and set clock to CLKIN(12)/8 = 1.5 MHz */ writel(P2WI_CTRL_RESET, &base->ctrl); sdelay(0x100); @@ -142,6 +136,12 @@ void p2wi_init(void) { struct sunxi_p2wi_reg *base = (struct sunxi_p2wi_reg *)SUN6I_P2WI_BASE; + /* Enable p2wi and PIO clk, and de-assert their resets */ + prcm_apb0_enable(PRCM_APB0_GATE_PIO | PRCM_APB0_GATE_P2WI); + + sunxi_gpio_set_cfgpin(SUNXI_GPL(0), SUN6I_GPL0_R_P2WI_SCK); + sunxi_gpio_set_cfgpin(SUNXI_GPL(1), SUN6I_GPL1_R_P2WI_SDA); + sun6i_p2wi_init(base); } #endif -- 2.39.5