* [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION
@ 2019-11-12 14:18 Matti Vaittinen
2019-11-12 17:01 ` Bjorn Andersson
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: Matti Vaittinen @ 2019-11-12 14:18 UTC (permalink / raw)
To: matti.vaittinen, mazziesaccount
Cc: Linus Walleij, Eric Anholt, Stefan Wahren, Florian Fainelli,
Ray Jui, Scott Branden, bcm-kernel-feedback-list, Sean Wang,
Matthias Brugger, Jason Cooper, Andrew Lunn, Gregory Clement,
Sebastian Hesselbarth, Ludovic Desroches, Nicolas Ferre,
Alexandre Belloni, Chen-Yu Tsai, Paul Cercueil, Neil Armstrong,
Heiko Stuebner, Geert Uytterhoeven, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue, Andy Gross, Bjorn Andersson,
linux-gpio, linux-rpi-kernel, linux-arm-kernel, linux-kernel,
linux-mediatek, linux-oxnas, linux-rockchip, linux-renesas-soc,
linux-stm32, linux-arm-msm
Use newly added GPIO defines GPIO_LINE_DIRECTION_IN and
GPIO_LINE_DIRECTION_OUT instead of using hard-coded 1 and 0.
Main benefit is to make it easier to see which values mean IN and which
OUT. As a side effect this helps GPIO framework to change the direction
defines to something else if ever needed.
Please note that return value from get_direction call on
pinctrl-axp209 driver was changed. Previously pinctrl-axp209 might have
returned value 2 for direction INPUT.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
---
drivers/pinctrl/bcm/pinctrl-bcm2835.c | 5 ++++-
drivers/pinctrl/bcm/pinctrl-iproc-gpio.c | 5 ++++-
drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 5 ++++-
drivers/pinctrl/mediatek/pinctrl-paris.c | 5 ++++-
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 5 ++++-
drivers/pinctrl/nomadik/pinctrl-nomadik.c | 7 +++++--
drivers/pinctrl/pinctrl-amd.c | 5 ++++-
drivers/pinctrl/pinctrl-at91.c | 5 ++++-
drivers/pinctrl/pinctrl-axp209.c | 7 +++++--
drivers/pinctrl/pinctrl-ingenic.c | 14 ++++++++++----
drivers/pinctrl/pinctrl-ocelot.c | 5 ++++-
drivers/pinctrl/pinctrl-oxnas.c | 5 ++++-
drivers/pinctrl/pinctrl-pic32.c | 5 ++++-
drivers/pinctrl/pinctrl-pistachio.c | 5 ++++-
drivers/pinctrl/pinctrl-rk805.c | 7 +++++--
drivers/pinctrl/pinctrl-rockchip.c | 5 ++++-
drivers/pinctrl/pinctrl-rza1.c | 5 ++++-
drivers/pinctrl/pinctrl-rza2.c | 6 +++---
drivers/pinctrl/pinctrl-st.c | 14 +++++++++++---
drivers/pinctrl/pinctrl-stmfx.c | 17 ++++++++++++++---
drivers/pinctrl/pinctrl-sx150x.c | 9 ++++++---
drivers/pinctrl/qcom/pinctrl-msm.c | 4 ++--
drivers/pinctrl/stm32/pinctrl-stm32.c | 4 ++--
drivers/pinctrl/vt8500/pinctrl-wmt.c | 6 ++++--
24 files changed, 119 insertions(+), 41 deletions(-)
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index 0de1a3a96984..d3294964bb4e 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -322,7 +322,10 @@ static int bcm2835_gpio_get_direction(struct gpio_chip *chip, unsigned int offse
if (fsel > BCM2835_FSEL_GPIO_OUT)
return -EINVAL;
- return (fsel == BCM2835_FSEL_GPIO_IN);
+ if (fsel == BCM2835_FSEL_GPIO_IN)
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
index 42f7ab383ad9..3a0a9735ebd4 100644
--- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
+++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
@@ -357,7 +357,10 @@ static int iproc_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio)
unsigned int offset = IPROC_GPIO_REG(gpio, IPROC_GPIO_OUT_EN_OFFSET);
unsigned int shift = IPROC_GPIO_SHIFT(gpio);
- return !(readl(chip->base + offset) & BIT(shift));
+ if (readl(chip->base + offset) & BIT(shift))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static void iproc_gpio_set(struct gpio_chip *gc, unsigned gpio, int val)
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index 53f52b9a0acd..4c11217e7d25 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -804,7 +804,10 @@ static int mtk_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
pctl->devdata->spec_dir_set(®_addr, offset);
regmap_read(pctl->regmap1, reg_addr, &read_val);
- return !(read_val & bit);
+ if (read_val & bit)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int mtk_gpio_get(struct gpio_chip *chip, unsigned offset)
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
index 923264d0e9ef..d70bb3aec2c9 100644
--- a/drivers/pinctrl/mediatek/pinctrl-paris.c
+++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
@@ -699,7 +699,10 @@ static int mtk_gpio_get_direction(struct gpio_chip *chip, unsigned int gpio)
if (err)
return err;
- return !value;
+ if (value)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int mtk_gpio_get(struct gpio_chip *chip, unsigned int gpio)
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index f2f5fcd9a237..73e41515d978 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -403,7 +403,10 @@ static int armada_37xx_gpio_get_direction(struct gpio_chip *chip,
mask = BIT(offset);
regmap_read(info->regmap, reg, &val);
- return !(val & mask);
+ if (val & mask)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int armada_37xx_gpio_direction_output(struct gpio_chip *chip,
diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
index 2a8190b11d10..21f0e044ef2d 100644
--- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c
+++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
@@ -850,11 +850,14 @@ static int nmk_gpio_get_dir(struct gpio_chip *chip, unsigned offset)
clk_enable(nmk_chip->clk);
- dir = !(readl(nmk_chip->addr + NMK_GPIO_DIR) & BIT(offset));
+ dir = readl(nmk_chip->addr + NMK_GPIO_DIR) & BIT(offset);
clk_disable(nmk_chip->clk);
- return dir;
+ if (dir)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int nmk_gpio_make_input(struct gpio_chip *chip, unsigned offset)
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index 2c61141519f8..9331a6b84acd 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -46,7 +46,10 @@ static int amd_gpio_get_direction(struct gpio_chip *gc, unsigned offset)
pin_reg = readl(gpio_dev->base + offset * 4);
raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
- return !(pin_reg & BIT(OUTPUT_ENABLE_OFF));
+ if (pin_reg & BIT(OUTPUT_ENABLE_OFF))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int amd_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index d6e7e9f0ddec..a3444c638337 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1414,7 +1414,10 @@ static int at91_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
u32 osr;
osr = readl_relaxed(pio + PIO_OSR);
- return !(osr & mask);
+ if (osr & mask)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int at91_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
diff --git a/drivers/pinctrl/pinctrl-axp209.c b/drivers/pinctrl/pinctrl-axp209.c
index be5b645815e5..207cbae3a7bf 100644
--- a/drivers/pinctrl/pinctrl-axp209.c
+++ b/drivers/pinctrl/pinctrl-axp209.c
@@ -149,13 +149,16 @@ static int axp20x_gpio_get_direction(struct gpio_chip *chip,
* going to change the value soon anyway. Default to output.
*/
if ((val & AXP20X_GPIO_FUNCTIONS) > 2)
- return 0;
+ return GPIO_LINE_DIRECTION_OUT;
/*
* The GPIO directions are the three lowest values.
* 2 is input, 0 and 1 are output
*/
- return val & 2;
+ if (val & 2)
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static int axp20x_gpio_output(struct gpio_chip *chip, unsigned int offset,
diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index 6e2683016c1f..faee2f33792b 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c
@@ -1643,13 +1643,19 @@ static int ingenic_gpio_get_direction(struct gpio_chip *gc, unsigned int offset)
struct ingenic_pinctrl *jzpc = jzgc->jzpc;
unsigned int pin = gc->base + offset;
- if (jzpc->version >= ID_JZ4760)
- return ingenic_get_pin_config(jzpc, pin, JZ4760_GPIO_PAT1);
+ if (jzpc->version >= ID_JZ4760) {
+ if (ingenic_get_pin_config(jzpc, pin, JZ4760_GPIO_PAT1))
+ return GPIO_LINE_DIRECTION_IN;
+ return GPIO_LINE_DIRECTION_OUT;
+ }
if (ingenic_get_pin_config(jzpc, pin, JZ4740_GPIO_SELECT))
- return true;
+ return GPIO_LINE_DIRECTION_IN;
+
+ if (ingenic_get_pin_config(jzpc, pin, JZ4740_GPIO_DIR))
+ return GPIO_LINE_DIRECTION_OUT;
- return !ingenic_get_pin_config(jzpc, pin, JZ4740_GPIO_DIR);
+ return GPIO_LINE_DIRECTION_IN;
}
static const struct pinctrl_ops ingenic_pctlops = {
diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c
index fb76fb2e9ea5..c3ae4b070c3d 100644
--- a/drivers/pinctrl/pinctrl-ocelot.c
+++ b/drivers/pinctrl/pinctrl-ocelot.c
@@ -604,7 +604,10 @@ static int ocelot_gpio_get_direction(struct gpio_chip *chip,
regmap_read(info->map, REG(OCELOT_GPIO_OE, info, offset), &val);
- return !(val & BIT(offset % 32));
+ if (val & BIT(offset % 32))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int ocelot_gpio_direction_input(struct gpio_chip *chip,
diff --git a/drivers/pinctrl/pinctrl-oxnas.c b/drivers/pinctrl/pinctrl-oxnas.c
index 55488ca246f1..7d6d17b94ab9 100644
--- a/drivers/pinctrl/pinctrl-oxnas.c
+++ b/drivers/pinctrl/pinctrl-oxnas.c
@@ -756,7 +756,10 @@ static int oxnas_gpio_get_direction(struct gpio_chip *chip,
struct oxnas_gpio_bank *bank = gpiochip_get_data(chip);
u32 mask = BIT(offset);
- return !(readl_relaxed(bank->reg_base + OUTPUT_EN) & mask);
+ if (readl_relaxed(bank->reg_base + OUTPUT_EN) & mask)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int oxnas_gpio_direction_input(struct gpio_chip *chip,
diff --git a/drivers/pinctrl/pinctrl-pic32.c b/drivers/pinctrl/pinctrl-pic32.c
index e7f6dd5ab578..dd65178fbda2 100644
--- a/drivers/pinctrl/pinctrl-pic32.c
+++ b/drivers/pinctrl/pinctrl-pic32.c
@@ -1990,7 +1990,10 @@ static int pic32_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
{
struct pic32_gpio_bank *bank = gpiochip_get_data(chip);
- return !!(readl(bank->reg_base + TRIS_REG) & BIT(offset));
+ if (readl(bank->reg_base + TRIS_REG) & BIT(offset))
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static void pic32_gpio_irq_ack(struct irq_data *data)
diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
index 379e9a6a6d89..c33375f5c5ff 100644
--- a/drivers/pinctrl/pinctrl-pistachio.c
+++ b/drivers/pinctrl/pinctrl-pistachio.c
@@ -1166,7 +1166,10 @@ static int pistachio_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
{
struct pistachio_gpio_bank *bank = gpiochip_get_data(chip);
- return !(gpio_readl(bank, GPIO_OUTPUT_EN) & BIT(offset));
+ if (gpio_readl(bank, GPIO_OUTPUT_EN) & BIT(offset))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int pistachio_gpio_get(struct gpio_chip *chip, unsigned offset)
diff --git a/drivers/pinctrl/pinctrl-rk805.c b/drivers/pinctrl/pinctrl-rk805.c
index 26adbe9d6d42..cccbe072274e 100644
--- a/drivers/pinctrl/pinctrl-rk805.c
+++ b/drivers/pinctrl/pinctrl-rk805.c
@@ -184,7 +184,7 @@ static int rk805_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
/* default output*/
if (!pci->pin_cfg[offset].dir_msk)
- return 0;
+ return GPIO_LINE_DIRECTION_OUT;
ret = regmap_read(pci->rk808->regmap,
pci->pin_cfg[offset].reg,
@@ -194,7 +194,10 @@ static int rk805_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
return ret;
}
- return !(val & pci->pin_cfg[offset].dir_msk);
+ if (val & pci->pin_cfg[offset].dir_msk)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static const struct gpio_chip rk805_gpio_chip = {
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index dc0bbf198cbc..cf5181ad817e 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -2211,7 +2211,10 @@ static int rockchip_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR);
clk_disable(bank->clk);
- return !(data & BIT(offset));
+ if (data & BIT(offset))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
/*
diff --git a/drivers/pinctrl/pinctrl-rza1.c b/drivers/pinctrl/pinctrl-rza1.c
index 215db220d795..002bd7346562 100644
--- a/drivers/pinctrl/pinctrl-rza1.c
+++ b/drivers/pinctrl/pinctrl-rza1.c
@@ -777,7 +777,10 @@ static int rza1_gpio_get_direction(struct gpio_chip *chip, unsigned int gpio)
{
struct rza1_port *port = gpiochip_get_data(chip);
- return !!rza1_get_bit(port, RZA1_PM_REG, gpio);
+ if (rza1_get_bit(port, RZA1_PM_REG, gpio))
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static int rza1_gpio_direction_input(struct gpio_chip *chip,
diff --git a/drivers/pinctrl/pinctrl-rza2.c b/drivers/pinctrl/pinctrl-rza2.c
index 3be1d833bf25..0fca1fbc9480 100644
--- a/drivers/pinctrl/pinctrl-rza2.c
+++ b/drivers/pinctrl/pinctrl-rza2.c
@@ -135,10 +135,10 @@ static int rza2_chip_get_direction(struct gpio_chip *chip, unsigned int offset)
reg16 = (reg16 >> (pin * 2)) & RZA2_PDR_MASK;
if (reg16 == RZA2_PDR_OUTPUT)
- return 0;
+ return GPIO_LINE_DIRECTION_OUT;
if (reg16 == RZA2_PDR_INPUT)
- return 1;
+ return GPIO_LINE_DIRECTION_IN;
/*
* This GPIO controller has a default Hi-Z state that is not input or
@@ -146,7 +146,7 @@ static int rza2_chip_get_direction(struct gpio_chip *chip, unsigned int offset)
*/
rza2_pin_to_gpio(priv->base, offset, 1);
- return 1;
+ return GPIO_LINE_DIRECTION_IN;
}
static int rza2_chip_direction_input(struct gpio_chip *chip,
diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
index 00db8b9efb2c..aff589ce446f 100644
--- a/drivers/pinctrl/pinctrl-st.c
+++ b/drivers/pinctrl/pinctrl-st.c
@@ -746,7 +746,10 @@ static int st_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
function = st_pctl_get_pin_function(&pc, offset);
if (function) {
st_pinconf_get_direction(&pc, offset, &config);
- return !ST_PINCONF_UNPACK_OE(config);
+ if (ST_PINCONF_UNPACK_OE(config))
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
/*
@@ -758,7 +761,10 @@ static int st_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
direction |= ((value >> offset) & 0x1) << i;
}
- return (direction == ST_GPIO_DIRECTION_IN);
+ if (direction == ST_GPIO_DIRECTION_IN)
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
/* Pinctrl Groups */
@@ -996,6 +1002,7 @@ static void st_pinconf_dbg_show(struct pinctrl_dev *pctldev,
unsigned int function;
int offset = st_gpio_pin(pin_id);
char f[16];
+ int oe;
mutex_unlock(&pctldev->mutex);
pc = st_get_pio_control(pctldev, pin_id);
@@ -1008,10 +1015,11 @@ static void st_pinconf_dbg_show(struct pinctrl_dev *pctldev,
else
snprintf(f, 5, "GPIO");
+ oe = st_gpio_get_direction(&pc_to_bank(pc)->gpio_chip, offset);
seq_printf(s, "[OE:%d,PU:%ld,OD:%ld]\t%s\n"
"\t\t[retime:%ld,invclk:%ld,clknotdat:%ld,"
"de:%ld,rt-clk:%ld,rt-delay:%ld]",
- !st_gpio_get_direction(&pc_to_bank(pc)->gpio_chip, offset),
+ (oe == GPIO_LINE_DIRECTION_OUT),
ST_PINCONF_UNPACK_PU(config),
ST_PINCONF_UNPACK_OD(config),
f,
diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c
index 564660028fcc..132a0f217692 100644
--- a/drivers/pinctrl/pinctrl-stmfx.c
+++ b/drivers/pinctrl/pinctrl-stmfx.c
@@ -134,10 +134,14 @@ static int stmfx_gpio_get_direction(struct gpio_chip *gc, unsigned int offset)
ret = regmap_read(pctl->stmfx->map, reg, &val);
/*
* On stmfx, gpio pins direction is (0)input, (1)output.
- * .get_direction returns 0=out, 1=in
*/
+ if (ret)
+ return ret;
- return ret ? ret : !(val & mask);
+ if (val & mask)
+ return GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int stmfx_gpio_direction_input(struct gpio_chip *gc, unsigned int offset)
@@ -223,6 +227,13 @@ static int stmfx_pinconf_get(struct pinctrl_dev *pctldev,
dir = stmfx_gpio_get_direction(&pctl->gpio_chip, pin);
if (dir < 0)
return dir;
+
+ /*
+ * Currently the gpiolib IN is 1 and OUT is 0 but let's not count
+ * on it just to be on the safe side also in the future :)
+ */
+ dir = (dir == GPIO_LINE_DIRECTION_IN) ? 1 : 0;
+
type = stmfx_pinconf_get_type(pctl, pin);
if (type < 0)
return type;
@@ -360,7 +371,7 @@ static void stmfx_pinconf_dbg_show(struct pinctrl_dev *pctldev,
if (val < 0)
return;
- if (!dir) {
+ if (dir == GPIO_LINE_DIRECTION_OUT) {
seq_printf(s, "output %s ", val ? "high" : "low");
if (type)
seq_printf(s, "open drain %s internal pull-up ",
diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c
index 566665931a04..6e74bd87d959 100644
--- a/drivers/pinctrl/pinctrl-sx150x.c
+++ b/drivers/pinctrl/pinctrl-sx150x.c
@@ -391,13 +391,16 @@ static int sx150x_gpio_get_direction(struct gpio_chip *chip,
int ret;
if (sx150x_pin_is_oscio(pctl, offset))
- return false;
+ return GPIO_LINE_DIRECTION_OUT;
ret = regmap_read(pctl->regmap, pctl->data->reg_dir, &value);
if (ret < 0)
return ret;
- return !!(value & BIT(offset));
+ if (value & BIT(offset))
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static int sx150x_gpio_get(struct gpio_chip *chip, unsigned int offset)
@@ -687,7 +690,7 @@ static int sx150x_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
if (ret < 0)
return ret;
- if (ret)
+ if (ret == GPIO_LINE_DIRECTION_IN)
return -EINVAL;
ret = sx150x_gpio_get(&pctl->gpio, pin);
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 763da0be10d6..8844ca1261d5 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -485,8 +485,8 @@ static int msm_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
val = msm_readl_ctl(pctrl, g);
- /* 0 = output, 1 = input */
- return val & BIT(g->oe_bit) ? 0 : 1;
+ return val & BIT(g->oe_bit) ? GPIO_LINE_DIRECTION_OUT :
+ GPIO_LINE_DIRECTION_IN;
}
static int msm_gpio_get(struct gpio_chip *chip, unsigned offset)
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
index 2d5e0435af0a..72e0669ca7c8 100644
--- a/drivers/pinctrl/stm32/pinctrl-stm32.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
@@ -283,9 +283,9 @@ static int stm32_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
stm32_pmx_get_mode(bank, pin, &mode, &alt);
if ((alt == 0) && (mode == 0))
- ret = 1;
+ ret = GPIO_LINE_DIRECTION_IN;
else if ((alt == 0) && (mode == 1))
- ret = 0;
+ ret = GPIO_LINE_DIRECTION_OUT;
else
ret = -EINVAL;
diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c
index 4d5cd7d8c760..7f2aceba295a 100644
--- a/drivers/pinctrl/vt8500/pinctrl-wmt.c
+++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c
@@ -486,8 +486,10 @@ static int wmt_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
u32 val;
val = readl_relaxed(data->base + reg_dir);
- /* Return 0 == output, 1 == input */
- return !(val & BIT(bit));
+ if (val & BIT(bit))
+ GPIO_LINE_DIRECTION_OUT;
+
+ return GPIO_LINE_DIRECTION_IN;
}
static int wmt_gpio_get_value(struct gpio_chip *chip, unsigned offset)
--
2.21.0
--
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND
~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =]
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION
2019-11-12 14:18 [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION Matti Vaittinen
@ 2019-11-12 17:01 ` Bjorn Andersson
2019-11-12 18:18 ` Geert Uytterhoeven
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Bjorn Andersson @ 2019-11-12 17:01 UTC (permalink / raw)
To: Matti Vaittinen
Cc: mazziesaccount, Linus Walleij, Eric Anholt, Stefan Wahren,
Florian Fainelli, Ray Jui, Scott Branden,
bcm-kernel-feedback-list, Sean Wang, Matthias Brugger,
Jason Cooper, Andrew Lunn, Gregory Clement,
Sebastian Hesselbarth, Ludovic Desroches, Nicolas Ferre,
Alexandre Belloni, Chen-Yu Tsai, Paul Cercueil, Neil Armstrong,
Heiko Stuebner, Geert Uytterhoeven, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue, Andy Gross, linux-gpio,
linux-rpi-kernel, linux-arm-kernel, linux-kernel, linux-mediatek,
linux-oxnas, linux-rockchip, linux-renesas-soc, linux-stm32,
linux-arm-msm
On Tue 12 Nov 06:18 PST 2019, Matti Vaittinen wrote:
> diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
> index 763da0be10d6..8844ca1261d5 100644
> --- a/drivers/pinctrl/qcom/pinctrl-msm.c
> +++ b/drivers/pinctrl/qcom/pinctrl-msm.c
> @@ -485,8 +485,8 @@ static int msm_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
>
> val = msm_readl_ctl(pctrl, g);
>
> - /* 0 = output, 1 = input */
> - return val & BIT(g->oe_bit) ? 0 : 1;
> + return val & BIT(g->oe_bit) ? GPIO_LINE_DIRECTION_OUT :
> + GPIO_LINE_DIRECTION_IN;
> }
>
For pinctrl-msm
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Regards,
Bjorn
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION
2019-11-12 14:18 [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION Matti Vaittinen
2019-11-12 17:01 ` Bjorn Andersson
@ 2019-11-12 18:18 ` Geert Uytterhoeven
2019-11-13 6:30 ` kbuild test robot
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Geert Uytterhoeven @ 2019-11-12 18:18 UTC (permalink / raw)
To: Matti Vaittinen
Cc: Matti Vaittinen, Linus Walleij, Eric Anholt, Stefan Wahren,
Florian Fainelli, Ray Jui, Scott Branden,
bcm-kernel-feedback-list, Sean Wang, Matthias Brugger,
Jason Cooper, Andrew Lunn, Gregory Clement,
Sebastian Hesselbarth, Ludovic Desroches, Nicolas Ferre,
Alexandre Belloni, Chen-Yu Tsai, Paul Cercueil, Neil Armstrong,
Heiko Stuebner, Geert Uytterhoeven, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue, Andy Gross, Bjorn Andersson,
open list:GPIO SUBSYSTEM, linux-rpi-kernel, Linux ARM,
Linux Kernel Mailing List, linux-mediatek, linux-oxnas,
open list:ARM/Rockchip SoC...,
Linux-Renesas, linux-stm32, linux-arm-msm
On Tue, Nov 12, 2019 at 3:18 PM Matti Vaittinen
<matti.vaittinen@fi.rohmeurope.com> wrote:
> Use newly added GPIO defines GPIO_LINE_DIRECTION_IN and
> GPIO_LINE_DIRECTION_OUT instead of using hard-coded 1 and 0.
>
> Main benefit is to make it easier to see which values mean IN and which
> OUT. As a side effect this helps GPIO framework to change the direction
> defines to something else if ever needed.
>
> Please note that return value from get_direction call on
> pinctrl-axp209 driver was changed. Previously pinctrl-axp209 might have
> returned value 2 for direction INPUT.
>
> Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
For:
> drivers/pinctrl/pinctrl-rza1.c | 5 ++++-
> drivers/pinctrl/pinctrl-rza2.c | 6 +++---
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION
2019-11-12 14:18 [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION Matti Vaittinen
2019-11-12 17:01 ` Bjorn Andersson
2019-11-12 18:18 ` Geert Uytterhoeven
@ 2019-11-13 6:30 ` kbuild test robot
2019-11-13 8:53 ` Jacopo Mondi
2020-02-15 5:35 ` Bjorn Andersson
4 siblings, 0 replies; 6+ messages in thread
From: kbuild test robot @ 2019-11-13 6:30 UTC (permalink / raw)
To: Matti Vaittinen
Cc: kbuild-all, matti.vaittinen, mazziesaccount, Linus Walleij,
Eric Anholt, Stefan Wahren, Florian Fainelli, Ray Jui,
Scott Branden, bcm-kernel-feedback-list, Sean Wang,
Matthias Brugger, Jason Cooper, Andrew Lunn, Gregory Clement,
Sebastian Hesselbarth, Ludovic Desroches, Nicolas Ferre,
Alexandre Belloni, Chen-Yu Tsai, Paul Cercueil, Neil Armstrong,
Heiko Stuebner, Geert Uytterhoeven, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue, Andy Gross, Bjorn Andersson,
linux-gpio, linux-rpi-kernel, linux-arm-kernel, linux-kernel,
linux-mediatek, linux-oxnas, linux-rockchip, linux-renesas-soc,
linux-stm32, linux-arm-msm
[-- Attachment #1: Type: text/plain, Size: 2022 bytes --]
Hi Matti,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on 70d97e099bb426ecb3ad4bf31e88dbf2ef4b2e4c]
url: https://github.com/0day-ci/linux/commits/Matti-Vaittinen/pinctrl-rza1-remove-unnecerssary-static-inline-function/20191113-114104
base: 70d97e099bb426ecb3ad4bf31e88dbf2ef4b2e4c
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/pinctrl/vt8500/pinctrl-wmt.c:9:0:
drivers/pinctrl/vt8500/pinctrl-wmt.c: In function 'wmt_gpio_get_direction':
include/linux/gpio/driver.h:26:33: warning: statement with no effect [-Wunused-value]
#define GPIO_LINE_DIRECTION_OUT 0
^
>> drivers/pinctrl/vt8500/pinctrl-wmt.c:490:3: note: in expansion of macro 'GPIO_LINE_DIRECTION_OUT'
GPIO_LINE_DIRECTION_OUT;
^~~~~~~~~~~~~~~~~~~~~~~
vim +/GPIO_LINE_DIRECTION_OUT +490 drivers/pinctrl/vt8500/pinctrl-wmt.c
479
480 static int wmt_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
481 {
482 struct wmt_pinctrl_data *data = gpiochip_get_data(chip);
483 u32 bank = WMT_BANK_FROM_PIN(offset);
484 u32 bit = WMT_BIT_FROM_PIN(offset);
485 u32 reg_dir = data->banks[bank].reg_dir;
486 u32 val;
487
488 val = readl_relaxed(data->base + reg_dir);
489 if (val & BIT(bit))
> 490 GPIO_LINE_DIRECTION_OUT;
491
492 return GPIO_LINE_DIRECTION_IN;
493 }
494
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 71989 bytes --]
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION
2019-11-12 14:18 [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION Matti Vaittinen
` (2 preceding siblings ...)
2019-11-13 6:30 ` kbuild test robot
@ 2019-11-13 8:53 ` Jacopo Mondi
2020-02-15 5:35 ` Bjorn Andersson
4 siblings, 0 replies; 6+ messages in thread
From: Jacopo Mondi @ 2019-11-13 8:53 UTC (permalink / raw)
To: Matti Vaittinen
Cc: mazziesaccount, Linus Walleij, Eric Anholt, Stefan Wahren,
Florian Fainelli, Ray Jui, Scott Branden,
bcm-kernel-feedback-list, Sean Wang, Matthias Brugger,
Jason Cooper, Andrew Lunn, Gregory Clement,
Sebastian Hesselbarth, Ludovic Desroches, Nicolas Ferre,
Alexandre Belloni, Chen-Yu Tsai, Paul Cercueil, Neil Armstrong,
Heiko Stuebner, Geert Uytterhoeven, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue, Andy Gross, Bjorn Andersson,
linux-gpio, linux-rpi-kernel, linux-arm-kernel, linux-kernel,
linux-mediatek, linux-oxnas, linux-rockchip, linux-renesas-soc,
linux-stm32, linux-arm-msm
[-- Attachment #1: Type: text/plain, Size: 21078 bytes --]
Hi Matti,
On Tue, Nov 12, 2019 at 04:18:19PM +0200, Matti Vaittinen wrote:
> Use newly added GPIO defines GPIO_LINE_DIRECTION_IN and
> GPIO_LINE_DIRECTION_OUT instead of using hard-coded 1 and 0.
>
> Main benefit is to make it easier to see which values mean IN and which
> OUT. As a side effect this helps GPIO framework to change the direction
> defines to something else if ever needed.
>
> Please note that return value from get_direction call on
> pinctrl-axp209 driver was changed. Previously pinctrl-axp209 might have
> returned value 2 for direction INPUT.
>
> Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
> ---
> drivers/pinctrl/bcm/pinctrl-bcm2835.c | 5 ++++-
> drivers/pinctrl/bcm/pinctrl-iproc-gpio.c | 5 ++++-
> drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 5 ++++-
> drivers/pinctrl/mediatek/pinctrl-paris.c | 5 ++++-
> drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 5 ++++-
> drivers/pinctrl/nomadik/pinctrl-nomadik.c | 7 +++++--
> drivers/pinctrl/pinctrl-amd.c | 5 ++++-
> drivers/pinctrl/pinctrl-at91.c | 5 ++++-
> drivers/pinctrl/pinctrl-axp209.c | 7 +++++--
> drivers/pinctrl/pinctrl-ingenic.c | 14 ++++++++++----
> drivers/pinctrl/pinctrl-ocelot.c | 5 ++++-
> drivers/pinctrl/pinctrl-oxnas.c | 5 ++++-
> drivers/pinctrl/pinctrl-pic32.c | 5 ++++-
> drivers/pinctrl/pinctrl-pistachio.c | 5 ++++-
> drivers/pinctrl/pinctrl-rk805.c | 7 +++++--
> drivers/pinctrl/pinctrl-rockchip.c | 5 ++++-
> drivers/pinctrl/pinctrl-rza1.c | 5 ++++-
> drivers/pinctrl/pinctrl-rza2.c | 6 +++---
For RZ/A1 RZ/A2:
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Thanks
j
> drivers/pinctrl/pinctrl-st.c | 14 +++++++++++---
> drivers/pinctrl/pinctrl-stmfx.c | 17 ++++++++++++++---
> drivers/pinctrl/pinctrl-sx150x.c | 9 ++++++---
> drivers/pinctrl/qcom/pinctrl-msm.c | 4 ++--
> drivers/pinctrl/stm32/pinctrl-stm32.c | 4 ++--
> drivers/pinctrl/vt8500/pinctrl-wmt.c | 6 ++++--
> 24 files changed, 119 insertions(+), 41 deletions(-)
>
> diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
> index 0de1a3a96984..d3294964bb4e 100644
> --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
> +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
> @@ -322,7 +322,10 @@ static int bcm2835_gpio_get_direction(struct gpio_chip *chip, unsigned int offse
> if (fsel > BCM2835_FSEL_GPIO_OUT)
> return -EINVAL;
>
> - return (fsel == BCM2835_FSEL_GPIO_IN);
> + if (fsel == BCM2835_FSEL_GPIO_IN)
> + return GPIO_LINE_DIRECTION_IN;
> +
> + return GPIO_LINE_DIRECTION_OUT;
> }
>
> static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
> diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
> index 42f7ab383ad9..3a0a9735ebd4 100644
> --- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
> +++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c
> @@ -357,7 +357,10 @@ static int iproc_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio)
> unsigned int offset = IPROC_GPIO_REG(gpio, IPROC_GPIO_OUT_EN_OFFSET);
> unsigned int shift = IPROC_GPIO_SHIFT(gpio);
>
> - return !(readl(chip->base + offset) & BIT(shift));
> + if (readl(chip->base + offset) & BIT(shift))
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static void iproc_gpio_set(struct gpio_chip *gc, unsigned gpio, int val)
> diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> index 53f52b9a0acd..4c11217e7d25 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
> @@ -804,7 +804,10 @@ static int mtk_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
> pctl->devdata->spec_dir_set(®_addr, offset);
>
> regmap_read(pctl->regmap1, reg_addr, &read_val);
> - return !(read_val & bit);
> + if (read_val & bit)
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int mtk_gpio_get(struct gpio_chip *chip, unsigned offset)
> diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
> index 923264d0e9ef..d70bb3aec2c9 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-paris.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
> @@ -699,7 +699,10 @@ static int mtk_gpio_get_direction(struct gpio_chip *chip, unsigned int gpio)
> if (err)
> return err;
>
> - return !value;
> + if (value)
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int mtk_gpio_get(struct gpio_chip *chip, unsigned int gpio)
> diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> index f2f5fcd9a237..73e41515d978 100644
> --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
> @@ -403,7 +403,10 @@ static int armada_37xx_gpio_get_direction(struct gpio_chip *chip,
> mask = BIT(offset);
> regmap_read(info->regmap, reg, &val);
>
> - return !(val & mask);
> + if (val & mask)
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int armada_37xx_gpio_direction_output(struct gpio_chip *chip,
> diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
> index 2a8190b11d10..21f0e044ef2d 100644
> --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c
> +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c
> @@ -850,11 +850,14 @@ static int nmk_gpio_get_dir(struct gpio_chip *chip, unsigned offset)
>
> clk_enable(nmk_chip->clk);
>
> - dir = !(readl(nmk_chip->addr + NMK_GPIO_DIR) & BIT(offset));
> + dir = readl(nmk_chip->addr + NMK_GPIO_DIR) & BIT(offset);
>
> clk_disable(nmk_chip->clk);
>
> - return dir;
> + if (dir)
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int nmk_gpio_make_input(struct gpio_chip *chip, unsigned offset)
> diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
> index 2c61141519f8..9331a6b84acd 100644
> --- a/drivers/pinctrl/pinctrl-amd.c
> +++ b/drivers/pinctrl/pinctrl-amd.c
> @@ -46,7 +46,10 @@ static int amd_gpio_get_direction(struct gpio_chip *gc, unsigned offset)
> pin_reg = readl(gpio_dev->base + offset * 4);
> raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
>
> - return !(pin_reg & BIT(OUTPUT_ENABLE_OFF));
> + if (pin_reg & BIT(OUTPUT_ENABLE_OFF))
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int amd_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
> diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
> index d6e7e9f0ddec..a3444c638337 100644
> --- a/drivers/pinctrl/pinctrl-at91.c
> +++ b/drivers/pinctrl/pinctrl-at91.c
> @@ -1414,7 +1414,10 @@ static int at91_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
> u32 osr;
>
> osr = readl_relaxed(pio + PIO_OSR);
> - return !(osr & mask);
> + if (osr & mask)
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int at91_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
> diff --git a/drivers/pinctrl/pinctrl-axp209.c b/drivers/pinctrl/pinctrl-axp209.c
> index be5b645815e5..207cbae3a7bf 100644
> --- a/drivers/pinctrl/pinctrl-axp209.c
> +++ b/drivers/pinctrl/pinctrl-axp209.c
> @@ -149,13 +149,16 @@ static int axp20x_gpio_get_direction(struct gpio_chip *chip,
> * going to change the value soon anyway. Default to output.
> */
> if ((val & AXP20X_GPIO_FUNCTIONS) > 2)
> - return 0;
> + return GPIO_LINE_DIRECTION_OUT;
>
> /*
> * The GPIO directions are the three lowest values.
> * 2 is input, 0 and 1 are output
> */
> - return val & 2;
> + if (val & 2)
> + return GPIO_LINE_DIRECTION_IN;
> +
> + return GPIO_LINE_DIRECTION_OUT;
> }
>
> static int axp20x_gpio_output(struct gpio_chip *chip, unsigned int offset,
> diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
> index 6e2683016c1f..faee2f33792b 100644
> --- a/drivers/pinctrl/pinctrl-ingenic.c
> +++ b/drivers/pinctrl/pinctrl-ingenic.c
> @@ -1643,13 +1643,19 @@ static int ingenic_gpio_get_direction(struct gpio_chip *gc, unsigned int offset)
> struct ingenic_pinctrl *jzpc = jzgc->jzpc;
> unsigned int pin = gc->base + offset;
>
> - if (jzpc->version >= ID_JZ4760)
> - return ingenic_get_pin_config(jzpc, pin, JZ4760_GPIO_PAT1);
> + if (jzpc->version >= ID_JZ4760) {
> + if (ingenic_get_pin_config(jzpc, pin, JZ4760_GPIO_PAT1))
> + return GPIO_LINE_DIRECTION_IN;
> + return GPIO_LINE_DIRECTION_OUT;
> + }
>
> if (ingenic_get_pin_config(jzpc, pin, JZ4740_GPIO_SELECT))
> - return true;
> + return GPIO_LINE_DIRECTION_IN;
> +
> + if (ingenic_get_pin_config(jzpc, pin, JZ4740_GPIO_DIR))
> + return GPIO_LINE_DIRECTION_OUT;
>
> - return !ingenic_get_pin_config(jzpc, pin, JZ4740_GPIO_DIR);
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static const struct pinctrl_ops ingenic_pctlops = {
> diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c
> index fb76fb2e9ea5..c3ae4b070c3d 100644
> --- a/drivers/pinctrl/pinctrl-ocelot.c
> +++ b/drivers/pinctrl/pinctrl-ocelot.c
> @@ -604,7 +604,10 @@ static int ocelot_gpio_get_direction(struct gpio_chip *chip,
>
> regmap_read(info->map, REG(OCELOT_GPIO_OE, info, offset), &val);
>
> - return !(val & BIT(offset % 32));
> + if (val & BIT(offset % 32))
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int ocelot_gpio_direction_input(struct gpio_chip *chip,
> diff --git a/drivers/pinctrl/pinctrl-oxnas.c b/drivers/pinctrl/pinctrl-oxnas.c
> index 55488ca246f1..7d6d17b94ab9 100644
> --- a/drivers/pinctrl/pinctrl-oxnas.c
> +++ b/drivers/pinctrl/pinctrl-oxnas.c
> @@ -756,7 +756,10 @@ static int oxnas_gpio_get_direction(struct gpio_chip *chip,
> struct oxnas_gpio_bank *bank = gpiochip_get_data(chip);
> u32 mask = BIT(offset);
>
> - return !(readl_relaxed(bank->reg_base + OUTPUT_EN) & mask);
> + if (readl_relaxed(bank->reg_base + OUTPUT_EN) & mask)
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int oxnas_gpio_direction_input(struct gpio_chip *chip,
> diff --git a/drivers/pinctrl/pinctrl-pic32.c b/drivers/pinctrl/pinctrl-pic32.c
> index e7f6dd5ab578..dd65178fbda2 100644
> --- a/drivers/pinctrl/pinctrl-pic32.c
> +++ b/drivers/pinctrl/pinctrl-pic32.c
> @@ -1990,7 +1990,10 @@ static int pic32_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
> {
> struct pic32_gpio_bank *bank = gpiochip_get_data(chip);
>
> - return !!(readl(bank->reg_base + TRIS_REG) & BIT(offset));
> + if (readl(bank->reg_base + TRIS_REG) & BIT(offset))
> + return GPIO_LINE_DIRECTION_IN;
> +
> + return GPIO_LINE_DIRECTION_OUT;
> }
>
> static void pic32_gpio_irq_ack(struct irq_data *data)
> diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c
> index 379e9a6a6d89..c33375f5c5ff 100644
> --- a/drivers/pinctrl/pinctrl-pistachio.c
> +++ b/drivers/pinctrl/pinctrl-pistachio.c
> @@ -1166,7 +1166,10 @@ static int pistachio_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
> {
> struct pistachio_gpio_bank *bank = gpiochip_get_data(chip);
>
> - return !(gpio_readl(bank, GPIO_OUTPUT_EN) & BIT(offset));
> + if (gpio_readl(bank, GPIO_OUTPUT_EN) & BIT(offset))
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int pistachio_gpio_get(struct gpio_chip *chip, unsigned offset)
> diff --git a/drivers/pinctrl/pinctrl-rk805.c b/drivers/pinctrl/pinctrl-rk805.c
> index 26adbe9d6d42..cccbe072274e 100644
> --- a/drivers/pinctrl/pinctrl-rk805.c
> +++ b/drivers/pinctrl/pinctrl-rk805.c
> @@ -184,7 +184,7 @@ static int rk805_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
>
> /* default output*/
> if (!pci->pin_cfg[offset].dir_msk)
> - return 0;
> + return GPIO_LINE_DIRECTION_OUT;
>
> ret = regmap_read(pci->rk808->regmap,
> pci->pin_cfg[offset].reg,
> @@ -194,7 +194,10 @@ static int rk805_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
> return ret;
> }
>
> - return !(val & pci->pin_cfg[offset].dir_msk);
> + if (val & pci->pin_cfg[offset].dir_msk)
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static const struct gpio_chip rk805_gpio_chip = {
> diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
> index dc0bbf198cbc..cf5181ad817e 100644
> --- a/drivers/pinctrl/pinctrl-rockchip.c
> +++ b/drivers/pinctrl/pinctrl-rockchip.c
> @@ -2211,7 +2211,10 @@ static int rockchip_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
> data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR);
> clk_disable(bank->clk);
>
> - return !(data & BIT(offset));
> + if (data & BIT(offset))
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> /*
> diff --git a/drivers/pinctrl/pinctrl-rza1.c b/drivers/pinctrl/pinctrl-rza1.c
> index 215db220d795..002bd7346562 100644
> --- a/drivers/pinctrl/pinctrl-rza1.c
> +++ b/drivers/pinctrl/pinctrl-rza1.c
> @@ -777,7 +777,10 @@ static int rza1_gpio_get_direction(struct gpio_chip *chip, unsigned int gpio)
> {
> struct rza1_port *port = gpiochip_get_data(chip);
>
> - return !!rza1_get_bit(port, RZA1_PM_REG, gpio);
> + if (rza1_get_bit(port, RZA1_PM_REG, gpio))
> + return GPIO_LINE_DIRECTION_IN;
> +
> + return GPIO_LINE_DIRECTION_OUT;
> }
>
> static int rza1_gpio_direction_input(struct gpio_chip *chip,
> diff --git a/drivers/pinctrl/pinctrl-rza2.c b/drivers/pinctrl/pinctrl-rza2.c
> index 3be1d833bf25..0fca1fbc9480 100644
> --- a/drivers/pinctrl/pinctrl-rza2.c
> +++ b/drivers/pinctrl/pinctrl-rza2.c
> @@ -135,10 +135,10 @@ static int rza2_chip_get_direction(struct gpio_chip *chip, unsigned int offset)
> reg16 = (reg16 >> (pin * 2)) & RZA2_PDR_MASK;
>
> if (reg16 == RZA2_PDR_OUTPUT)
> - return 0;
> + return GPIO_LINE_DIRECTION_OUT;
>
> if (reg16 == RZA2_PDR_INPUT)
> - return 1;
> + return GPIO_LINE_DIRECTION_IN;
>
> /*
> * This GPIO controller has a default Hi-Z state that is not input or
> @@ -146,7 +146,7 @@ static int rza2_chip_get_direction(struct gpio_chip *chip, unsigned int offset)
> */
> rza2_pin_to_gpio(priv->base, offset, 1);
>
> - return 1;
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int rza2_chip_direction_input(struct gpio_chip *chip,
> diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c
> index 00db8b9efb2c..aff589ce446f 100644
> --- a/drivers/pinctrl/pinctrl-st.c
> +++ b/drivers/pinctrl/pinctrl-st.c
> @@ -746,7 +746,10 @@ static int st_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
> function = st_pctl_get_pin_function(&pc, offset);
> if (function) {
> st_pinconf_get_direction(&pc, offset, &config);
> - return !ST_PINCONF_UNPACK_OE(config);
> + if (ST_PINCONF_UNPACK_OE(config))
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> /*
> @@ -758,7 +761,10 @@ static int st_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
> direction |= ((value >> offset) & 0x1) << i;
> }
>
> - return (direction == ST_GPIO_DIRECTION_IN);
> + if (direction == ST_GPIO_DIRECTION_IN)
> + return GPIO_LINE_DIRECTION_IN;
> +
> + return GPIO_LINE_DIRECTION_OUT;
> }
>
> /* Pinctrl Groups */
> @@ -996,6 +1002,7 @@ static void st_pinconf_dbg_show(struct pinctrl_dev *pctldev,
> unsigned int function;
> int offset = st_gpio_pin(pin_id);
> char f[16];
> + int oe;
>
> mutex_unlock(&pctldev->mutex);
> pc = st_get_pio_control(pctldev, pin_id);
> @@ -1008,10 +1015,11 @@ static void st_pinconf_dbg_show(struct pinctrl_dev *pctldev,
> else
> snprintf(f, 5, "GPIO");
>
> + oe = st_gpio_get_direction(&pc_to_bank(pc)->gpio_chip, offset);
> seq_printf(s, "[OE:%d,PU:%ld,OD:%ld]\t%s\n"
> "\t\t[retime:%ld,invclk:%ld,clknotdat:%ld,"
> "de:%ld,rt-clk:%ld,rt-delay:%ld]",
> - !st_gpio_get_direction(&pc_to_bank(pc)->gpio_chip, offset),
> + (oe == GPIO_LINE_DIRECTION_OUT),
> ST_PINCONF_UNPACK_PU(config),
> ST_PINCONF_UNPACK_OD(config),
> f,
> diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c
> index 564660028fcc..132a0f217692 100644
> --- a/drivers/pinctrl/pinctrl-stmfx.c
> +++ b/drivers/pinctrl/pinctrl-stmfx.c
> @@ -134,10 +134,14 @@ static int stmfx_gpio_get_direction(struct gpio_chip *gc, unsigned int offset)
> ret = regmap_read(pctl->stmfx->map, reg, &val);
> /*
> * On stmfx, gpio pins direction is (0)input, (1)output.
> - * .get_direction returns 0=out, 1=in
> */
> + if (ret)
> + return ret;
>
> - return ret ? ret : !(val & mask);
> + if (val & mask)
> + return GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int stmfx_gpio_direction_input(struct gpio_chip *gc, unsigned int offset)
> @@ -223,6 +227,13 @@ static int stmfx_pinconf_get(struct pinctrl_dev *pctldev,
> dir = stmfx_gpio_get_direction(&pctl->gpio_chip, pin);
> if (dir < 0)
> return dir;
> +
> + /*
> + * Currently the gpiolib IN is 1 and OUT is 0 but let's not count
> + * on it just to be on the safe side also in the future :)
> + */
> + dir = (dir == GPIO_LINE_DIRECTION_IN) ? 1 : 0;
> +
> type = stmfx_pinconf_get_type(pctl, pin);
> if (type < 0)
> return type;
> @@ -360,7 +371,7 @@ static void stmfx_pinconf_dbg_show(struct pinctrl_dev *pctldev,
> if (val < 0)
> return;
>
> - if (!dir) {
> + if (dir == GPIO_LINE_DIRECTION_OUT) {
> seq_printf(s, "output %s ", val ? "high" : "low");
> if (type)
> seq_printf(s, "open drain %s internal pull-up ",
> diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c
> index 566665931a04..6e74bd87d959 100644
> --- a/drivers/pinctrl/pinctrl-sx150x.c
> +++ b/drivers/pinctrl/pinctrl-sx150x.c
> @@ -391,13 +391,16 @@ static int sx150x_gpio_get_direction(struct gpio_chip *chip,
> int ret;
>
> if (sx150x_pin_is_oscio(pctl, offset))
> - return false;
> + return GPIO_LINE_DIRECTION_OUT;
>
> ret = regmap_read(pctl->regmap, pctl->data->reg_dir, &value);
> if (ret < 0)
> return ret;
>
> - return !!(value & BIT(offset));
> + if (value & BIT(offset))
> + return GPIO_LINE_DIRECTION_IN;
> +
> + return GPIO_LINE_DIRECTION_OUT;
> }
>
> static int sx150x_gpio_get(struct gpio_chip *chip, unsigned int offset)
> @@ -687,7 +690,7 @@ static int sx150x_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
> if (ret < 0)
> return ret;
>
> - if (ret)
> + if (ret == GPIO_LINE_DIRECTION_IN)
> return -EINVAL;
>
> ret = sx150x_gpio_get(&pctl->gpio, pin);
> diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
> index 763da0be10d6..8844ca1261d5 100644
> --- a/drivers/pinctrl/qcom/pinctrl-msm.c
> +++ b/drivers/pinctrl/qcom/pinctrl-msm.c
> @@ -485,8 +485,8 @@ static int msm_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
>
> val = msm_readl_ctl(pctrl, g);
>
> - /* 0 = output, 1 = input */
> - return val & BIT(g->oe_bit) ? 0 : 1;
> + return val & BIT(g->oe_bit) ? GPIO_LINE_DIRECTION_OUT :
> + GPIO_LINE_DIRECTION_IN;
> }
>
> static int msm_gpio_get(struct gpio_chip *chip, unsigned offset)
> diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c
> index 2d5e0435af0a..72e0669ca7c8 100644
> --- a/drivers/pinctrl/stm32/pinctrl-stm32.c
> +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c
> @@ -283,9 +283,9 @@ static int stm32_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
>
> stm32_pmx_get_mode(bank, pin, &mode, &alt);
> if ((alt == 0) && (mode == 0))
> - ret = 1;
> + ret = GPIO_LINE_DIRECTION_IN;
> else if ((alt == 0) && (mode == 1))
> - ret = 0;
> + ret = GPIO_LINE_DIRECTION_OUT;
> else
> ret = -EINVAL;
>
> diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c
> index 4d5cd7d8c760..7f2aceba295a 100644
> --- a/drivers/pinctrl/vt8500/pinctrl-wmt.c
> +++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c
> @@ -486,8 +486,10 @@ static int wmt_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
> u32 val;
>
> val = readl_relaxed(data->base + reg_dir);
> - /* Return 0 == output, 1 == input */
> - return !(val & BIT(bit));
> + if (val & BIT(bit))
> + GPIO_LINE_DIRECTION_OUT;
> +
> + return GPIO_LINE_DIRECTION_IN;
> }
>
> static int wmt_gpio_get_value(struct gpio_chip *chip, unsigned offset)
> --
> 2.21.0
>
>
> --
> Matti Vaittinen, Linux device drivers
> ROHM Semiconductors, Finland SWDC
> Kiviharjunlenkki 1E
> 90220 OULU
> FINLAND
>
> ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
> Simon says - in Latin please.
> ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
> Thanks to Simon Glass for the translation =]
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION
2019-11-12 14:18 [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION Matti Vaittinen
` (3 preceding siblings ...)
2019-11-13 8:53 ` Jacopo Mondi
@ 2020-02-15 5:35 ` Bjorn Andersson
4 siblings, 0 replies; 6+ messages in thread
From: Bjorn Andersson @ 2020-02-15 5:35 UTC (permalink / raw)
To: Matti Vaittinen
Cc: mazziesaccount, Linus Walleij, Eric Anholt, Stefan Wahren,
Florian Fainelli, Ray Jui, Scott Branden,
bcm-kernel-feedback-list, Sean Wang, Matthias Brugger,
Jason Cooper, Andrew Lunn, Gregory Clement,
Sebastian Hesselbarth, Ludovic Desroches, Nicolas Ferre,
Alexandre Belloni, Chen-Yu Tsai, Paul Cercueil, Neil Armstrong,
Heiko Stuebner, Geert Uytterhoeven, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue, Andy Gross, linux-gpio,
linux-rpi-kernel, linux-arm-kernel, linux-kernel, linux-mediatek,
linux-oxnas, linux-rockchip, linux-renesas-soc, linux-stm32,
linux-arm-msm
On Tue 12 Nov 06:18 PST 2019, Matti Vaittinen wrote:
> diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
> index 763da0be10d6..8844ca1261d5 100644
> --- a/drivers/pinctrl/qcom/pinctrl-msm.c
> +++ b/drivers/pinctrl/qcom/pinctrl-msm.c
> @@ -485,8 +485,8 @@ static int msm_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
>
> val = msm_readl_ctl(pctrl, g);
>
> - /* 0 = output, 1 = input */
> - return val & BIT(g->oe_bit) ? 0 : 1;
> + return val & BIT(g->oe_bit) ? GPIO_LINE_DIRECTION_OUT :
> + GPIO_LINE_DIRECTION_IN;
For pinctrl-msm:
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> }
Regards,
Bjorn
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2020-02-15 5:36 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-11-12 14:18 [PATCH 2/2] pinctrl: Use new GPIO_LINE_DIRECTION Matti Vaittinen
2019-11-12 17:01 ` Bjorn Andersson
2019-11-12 18:18 ` Geert Uytterhoeven
2019-11-13 6:30 ` kbuild test robot
2019-11-13 8:53 ` Jacopo Mondi
2020-02-15 5:35 ` Bjorn Andersson
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