From: Fabien Dessenne <fabien.dessenne@foss.st.com> To: Linus Walleij <linus.walleij@linaro.org>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Alexandre Torgue <alexandre.torgue@foss.st.com>, <linux-gpio@vger.kernel.org>, <linux-stm32@st-md-mailman.stormreply.com>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org> Cc: Fabien Dessenne <fabien.dessenne@foss.st.com> Subject: [PATCH] pinctrl: stm32: improve debugfs information of pinconf-pins entry Date: Mon, 2 May 2022 17:25:24 +0200 [thread overview] Message-ID: <20220502152524.283374-1-fabien.dessenne@foss.st.com> (raw) Print the name of the selected alternate function in addition to its number. Ex: "pin 135 (PI7): alternate 10 (SAI2_FS_A) - ..." Signed-off-by: Fabien Dessenne <fabien.dessenne@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com> --- drivers/pinctrl/stm32/pinctrl-stm32.c | 31 +++++++++++++++++++++++---- drivers/pinctrl/stm32/pinctrl-stm32.h | 13 +++++------ 2 files changed, 34 insertions(+), 10 deletions(-) diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index b308e7bb7487..2e8421600db5 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -507,7 +507,7 @@ stm32_pctrl_find_group_by_pin(struct stm32_pinctrl *pctl, u32 pin) static bool stm32_pctrl_is_function_valid(struct stm32_pinctrl *pctl, u32 pin_num, u32 fnum) { - int i; + int i, k; for (i = 0; i < pctl->npins; i++) { const struct stm32_desc_pin *pin = pctl->pins + i; @@ -516,7 +516,7 @@ static bool stm32_pctrl_is_function_valid(struct stm32_pinctrl *pctl, if (pin->pin.number != pin_num) continue; - while (func && func->name) { + for (k = 0; k < STM32_CONFIG_NUM; k++) { if (func->num == fnum) return true; func++; @@ -1118,10 +1118,27 @@ static int stm32_pconf_set(struct pinctrl_dev *pctldev, unsigned int pin, return 0; } +static struct stm32_desc_pin * +stm32_pconf_get_pin_desc_by_pin_number(struct stm32_pinctrl *pctl, + unsigned int pin_number) +{ + struct stm32_desc_pin *pins = pctl->pins; + int i; + + for (i = 0; i < pctl->npins; i++) { + if (pins->pin.number == pin_number) + return pins; + pins++; + } + return NULL; +} + static void stm32_pconf_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned int pin) { + struct stm32_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); + const struct stm32_desc_pin *pin_desc; struct pinctrl_gpio_range *range; struct stm32_gpio_bank *bank; int offset; @@ -1171,7 +1188,12 @@ static void stm32_pconf_dbg_show(struct pinctrl_dev *pctldev, case 2: drive = stm32_pconf_get_driving(bank, offset); speed = stm32_pconf_get_speed(bank, offset); - seq_printf(s, "%d - %s - %s - %s %s", alt, + pin_desc = stm32_pconf_get_pin_desc_by_pin_number(pctl, pin); + if (!pin_desc) + return; + + seq_printf(s, "%d (%s) - %s - %s - %s %s", alt, + pin_desc->functions[alt + 1].name, drive ? "open drain" : "push pull", biasing[bias], speeds[speed], "speed"); @@ -1386,7 +1408,8 @@ static int stm32_pctrl_create_pins_tab(struct stm32_pinctrl *pctl, if (pctl->pkg && !(pctl->pkg & p->pkg)) continue; pins->pin = p->pin; - pins->functions = p->functions; + memcpy((struct stm32_desc_pin *)pins->functions, p->functions, + STM32_CONFIG_NUM * sizeof(struct stm32_desc_function)); pins++; nb_pins_available++; } diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.h b/drivers/pinctrl/stm32/pinctrl-stm32.h index b9584039cdf5..2ac2db41a498 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.h +++ b/drivers/pinctrl/stm32/pinctrl-stm32.h @@ -17,6 +17,7 @@ #define STM32_PIN_GPIO 0 #define STM32_PIN_AF(x) ((x) + 1) #define STM32_PIN_ANALOG (STM32_PIN_AF(15) + 1) +#define STM32_CONFIG_NUM (STM32_PIN_ANALOG + 1) /* package information */ #define STM32MP_PKG_AA BIT(0) @@ -31,26 +32,26 @@ struct stm32_desc_function { struct stm32_desc_pin { struct pinctrl_pin_desc pin; - const struct stm32_desc_function *functions; + const struct stm32_desc_function functions[STM32_CONFIG_NUM]; const unsigned int pkg; }; #define STM32_PIN(_pin, ...) \ { \ .pin = _pin, \ - .functions = (struct stm32_desc_function[]){ \ - __VA_ARGS__, { } }, \ + .functions = { \ + __VA_ARGS__}, \ } #define STM32_PIN_PKG(_pin, _pkg, ...) \ { \ .pin = _pin, \ .pkg = _pkg, \ - .functions = (struct stm32_desc_function[]){ \ - __VA_ARGS__, { } }, \ + .functions = { \ + __VA_ARGS__}, \ } #define STM32_FUNCTION(_num, _name) \ - { \ + [_num] = { \ .num = _num, \ .name = _name, \ } -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Fabien Dessenne <fabien.dessenne@foss.st.com> To: Linus Walleij <linus.walleij@linaro.org>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Alexandre Torgue <alexandre.torgue@foss.st.com>, <linux-gpio@vger.kernel.org>, <linux-stm32@st-md-mailman.stormreply.com>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org> Cc: Fabien Dessenne <fabien.dessenne@foss.st.com> Subject: [PATCH] pinctrl: stm32: improve debugfs information of pinconf-pins entry Date: Mon, 2 May 2022 17:25:24 +0200 [thread overview] Message-ID: <20220502152524.283374-1-fabien.dessenne@foss.st.com> (raw) Print the name of the selected alternate function in addition to its number. Ex: "pin 135 (PI7): alternate 10 (SAI2_FS_A) - ..." Signed-off-by: Fabien Dessenne <fabien.dessenne@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com> --- drivers/pinctrl/stm32/pinctrl-stm32.c | 31 +++++++++++++++++++++++---- drivers/pinctrl/stm32/pinctrl-stm32.h | 13 +++++------ 2 files changed, 34 insertions(+), 10 deletions(-) diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index b308e7bb7487..2e8421600db5 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -507,7 +507,7 @@ stm32_pctrl_find_group_by_pin(struct stm32_pinctrl *pctl, u32 pin) static bool stm32_pctrl_is_function_valid(struct stm32_pinctrl *pctl, u32 pin_num, u32 fnum) { - int i; + int i, k; for (i = 0; i < pctl->npins; i++) { const struct stm32_desc_pin *pin = pctl->pins + i; @@ -516,7 +516,7 @@ static bool stm32_pctrl_is_function_valid(struct stm32_pinctrl *pctl, if (pin->pin.number != pin_num) continue; - while (func && func->name) { + for (k = 0; k < STM32_CONFIG_NUM; k++) { if (func->num == fnum) return true; func++; @@ -1118,10 +1118,27 @@ static int stm32_pconf_set(struct pinctrl_dev *pctldev, unsigned int pin, return 0; } +static struct stm32_desc_pin * +stm32_pconf_get_pin_desc_by_pin_number(struct stm32_pinctrl *pctl, + unsigned int pin_number) +{ + struct stm32_desc_pin *pins = pctl->pins; + int i; + + for (i = 0; i < pctl->npins; i++) { + if (pins->pin.number == pin_number) + return pins; + pins++; + } + return NULL; +} + static void stm32_pconf_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s, unsigned int pin) { + struct stm32_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); + const struct stm32_desc_pin *pin_desc; struct pinctrl_gpio_range *range; struct stm32_gpio_bank *bank; int offset; @@ -1171,7 +1188,12 @@ static void stm32_pconf_dbg_show(struct pinctrl_dev *pctldev, case 2: drive = stm32_pconf_get_driving(bank, offset); speed = stm32_pconf_get_speed(bank, offset); - seq_printf(s, "%d - %s - %s - %s %s", alt, + pin_desc = stm32_pconf_get_pin_desc_by_pin_number(pctl, pin); + if (!pin_desc) + return; + + seq_printf(s, "%d (%s) - %s - %s - %s %s", alt, + pin_desc->functions[alt + 1].name, drive ? "open drain" : "push pull", biasing[bias], speeds[speed], "speed"); @@ -1386,7 +1408,8 @@ static int stm32_pctrl_create_pins_tab(struct stm32_pinctrl *pctl, if (pctl->pkg && !(pctl->pkg & p->pkg)) continue; pins->pin = p->pin; - pins->functions = p->functions; + memcpy((struct stm32_desc_pin *)pins->functions, p->functions, + STM32_CONFIG_NUM * sizeof(struct stm32_desc_function)); pins++; nb_pins_available++; } diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.h b/drivers/pinctrl/stm32/pinctrl-stm32.h index b9584039cdf5..2ac2db41a498 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.h +++ b/drivers/pinctrl/stm32/pinctrl-stm32.h @@ -17,6 +17,7 @@ #define STM32_PIN_GPIO 0 #define STM32_PIN_AF(x) ((x) + 1) #define STM32_PIN_ANALOG (STM32_PIN_AF(15) + 1) +#define STM32_CONFIG_NUM (STM32_PIN_ANALOG + 1) /* package information */ #define STM32MP_PKG_AA BIT(0) @@ -31,26 +32,26 @@ struct stm32_desc_function { struct stm32_desc_pin { struct pinctrl_pin_desc pin; - const struct stm32_desc_function *functions; + const struct stm32_desc_function functions[STM32_CONFIG_NUM]; const unsigned int pkg; }; #define STM32_PIN(_pin, ...) \ { \ .pin = _pin, \ - .functions = (struct stm32_desc_function[]){ \ - __VA_ARGS__, { } }, \ + .functions = { \ + __VA_ARGS__}, \ } #define STM32_PIN_PKG(_pin, _pkg, ...) \ { \ .pin = _pin, \ .pkg = _pkg, \ - .functions = (struct stm32_desc_function[]){ \ - __VA_ARGS__, { } }, \ + .functions = { \ + __VA_ARGS__}, \ } #define STM32_FUNCTION(_num, _name) \ - { \ + [_num] = { \ .num = _num, \ .name = _name, \ } -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2022-05-02 15:25 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-02 15:25 Fabien Dessenne [this message] 2022-05-02 15:25 ` [PATCH] pinctrl: stm32: improve debugfs information of pinconf-pins entry Fabien Dessenne 2022-05-04 22:03 ` Linus Walleij 2022-05-04 22:03 ` Linus Walleij
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