From: Alexandre Belloni <alexandre.belloni@bootlin.com> To: Jonathan Cameron <jic23@kernel.org> Cc: Lars-Peter Clausen <lars@metafoo.de>, Peter Meerwald-Stadler <pmeerw@pmeerw.net>, Nicolas Ferre <nicolas.ferre@microchip.com>, Ludovic Desroches <ludovic.desroches@microchip.com>, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alexandre Belloni <alexandre.belloni@bootlin.com> Subject: [PATCH 5/9] iio: adc: at91_adc: merge at91_adc_probe_dt back in at91_adc_probe Date: Fri, 13 Nov 2020 22:26:46 +0100 [thread overview] Message-ID: <20201113212650.507680-6-alexandre.belloni@bootlin.com> (raw) In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> at91_adc_probe_dt is now small enough to be merged back in at91_adc_probe. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> --- drivers/iio/adc/at91_adc.c | 118 +++++++++++++++---------------------- 1 file changed, 49 insertions(+), 69 deletions(-) diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 83539422b704..9f05eb722f5e 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -833,70 +833,6 @@ static int at91_adc_probe_dt_ts(struct device_node *node, } } -static int at91_adc_probe_dt(struct iio_dev *idev, - struct platform_device *pdev) -{ - struct at91_adc_state *st = iio_priv(idev); - struct device_node *node = pdev->dev.of_node; - int ret; - u32 prop; - char *s; - - st->caps = (struct at91_adc_caps *) - of_match_device(at91_adc_dt_ids, &pdev->dev)->data; - - st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers"); - - if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) { - dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - st->channels_mask = prop; - - st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode"); - - if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) { - dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - st->startup_time = prop; - - prop = 0; - of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop); - st->sample_hold_time = prop; - - if (of_property_read_u32(node, "atmel,adc-vref", &prop)) { - dev_err(&idev->dev, "Missing adc-vref property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - st->vref_mv = prop; - - st->res = st->caps->high_res_bits; - if (st->caps->low_res_bits && - !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) - && !strcmp(s, "lowres")) - st->res = st->caps->low_res_bits; - - dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); - - st->registers = &st->caps->registers; - st->num_channels = st->caps->num_channels; - - /* Check if touchscreen is supported. */ - if (st->caps->has_ts) - return at91_adc_probe_dt_ts(node, st, &idev->dev); - else - dev_info(&idev->dev, "not support touchscreen in the adc compatible string.\n"); - - return 0; - -error_ret: - return ret; -} - static const struct iio_info at91_adc_info = { .read_raw = &at91_adc_read_raw, }; @@ -1062,10 +998,12 @@ static void at91_ts_unregister(struct at91_adc_state *st) static int at91_adc_probe(struct platform_device *pdev) { unsigned int prsc, mstrclk, ticks, adc_clk, adc_clk_khz, shtim; + struct device_node *node = pdev->dev.of_node; int ret; struct iio_dev *idev; struct at91_adc_state *st; - u32 reg; + u32 reg, prop; + char *s; idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state)); if (!idev) @@ -1073,9 +1011,52 @@ static int at91_adc_probe(struct platform_device *pdev) st = iio_priv(idev); - ret = at91_adc_probe_dt(idev, pdev); - if (ret) - return ret; + st->caps = (struct at91_adc_caps *) + of_match_device(at91_adc_dt_ids, &pdev->dev)->data; + + st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers"); + + if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) { + dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n"); + return -EINVAL; + } + st->channels_mask = prop; + + st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode"); + + if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) { + dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n"); + return -EINVAL; + } + st->startup_time = prop; + + prop = 0; + of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop); + st->sample_hold_time = prop; + + if (of_property_read_u32(node, "atmel,adc-vref", &prop)) { + dev_err(&idev->dev, "Missing adc-vref property in the DT.\n"); + return -EINVAL; + } + st->vref_mv = prop; + + st->res = st->caps->high_res_bits; + if (st->caps->low_res_bits && + !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) + && !strcmp(s, "lowres")) + st->res = st->caps->low_res_bits; + + dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); + + st->registers = &st->caps->registers; + st->num_channels = st->caps->num_channels; + + /* Check if touchscreen is supported. */ + if (st->caps->has_ts) { + ret = at91_adc_probe_dt_ts(node, st, &idev->dev); + if (ret) + return ret; + } platform_set_drvdata(pdev, idev); @@ -1091,7 +1072,6 @@ static int at91_adc_probe(struct platform_device *pdev) if (IS_ERR(st->reg_base)) return PTR_ERR(st->reg_base); - /* * Disable all IRQs before setting up the handler */ -- 2.28.0
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Belloni <alexandre.belloni@bootlin.com> To: Jonathan Cameron <jic23@kernel.org> Cc: devicetree@vger.kernel.org, Alexandre Belloni <alexandre.belloni@bootlin.com>, Lars-Peter Clausen <lars@metafoo.de>, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Ludovic Desroches <ludovic.desroches@microchip.com>, Peter Meerwald-Stadler <pmeerw@pmeerw.net>, linux-arm-kernel@lists.infradead.org Subject: [PATCH 5/9] iio: adc: at91_adc: merge at91_adc_probe_dt back in at91_adc_probe Date: Fri, 13 Nov 2020 22:26:46 +0100 [thread overview] Message-ID: <20201113212650.507680-6-alexandre.belloni@bootlin.com> (raw) In-Reply-To: <20201113212650.507680-1-alexandre.belloni@bootlin.com> at91_adc_probe_dt is now small enough to be merged back in at91_adc_probe. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> --- drivers/iio/adc/at91_adc.c | 118 +++++++++++++++---------------------- 1 file changed, 49 insertions(+), 69 deletions(-) diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 83539422b704..9f05eb722f5e 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -833,70 +833,6 @@ static int at91_adc_probe_dt_ts(struct device_node *node, } } -static int at91_adc_probe_dt(struct iio_dev *idev, - struct platform_device *pdev) -{ - struct at91_adc_state *st = iio_priv(idev); - struct device_node *node = pdev->dev.of_node; - int ret; - u32 prop; - char *s; - - st->caps = (struct at91_adc_caps *) - of_match_device(at91_adc_dt_ids, &pdev->dev)->data; - - st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers"); - - if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) { - dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - st->channels_mask = prop; - - st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode"); - - if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) { - dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - st->startup_time = prop; - - prop = 0; - of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop); - st->sample_hold_time = prop; - - if (of_property_read_u32(node, "atmel,adc-vref", &prop)) { - dev_err(&idev->dev, "Missing adc-vref property in the DT.\n"); - ret = -EINVAL; - goto error_ret; - } - st->vref_mv = prop; - - st->res = st->caps->high_res_bits; - if (st->caps->low_res_bits && - !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) - && !strcmp(s, "lowres")) - st->res = st->caps->low_res_bits; - - dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); - - st->registers = &st->caps->registers; - st->num_channels = st->caps->num_channels; - - /* Check if touchscreen is supported. */ - if (st->caps->has_ts) - return at91_adc_probe_dt_ts(node, st, &idev->dev); - else - dev_info(&idev->dev, "not support touchscreen in the adc compatible string.\n"); - - return 0; - -error_ret: - return ret; -} - static const struct iio_info at91_adc_info = { .read_raw = &at91_adc_read_raw, }; @@ -1062,10 +998,12 @@ static void at91_ts_unregister(struct at91_adc_state *st) static int at91_adc_probe(struct platform_device *pdev) { unsigned int prsc, mstrclk, ticks, adc_clk, adc_clk_khz, shtim; + struct device_node *node = pdev->dev.of_node; int ret; struct iio_dev *idev; struct at91_adc_state *st; - u32 reg; + u32 reg, prop; + char *s; idev = devm_iio_device_alloc(&pdev->dev, sizeof(struct at91_adc_state)); if (!idev) @@ -1073,9 +1011,52 @@ static int at91_adc_probe(struct platform_device *pdev) st = iio_priv(idev); - ret = at91_adc_probe_dt(idev, pdev); - if (ret) - return ret; + st->caps = (struct at91_adc_caps *) + of_match_device(at91_adc_dt_ids, &pdev->dev)->data; + + st->use_external = of_property_read_bool(node, "atmel,adc-use-external-triggers"); + + if (of_property_read_u32(node, "atmel,adc-channels-used", &prop)) { + dev_err(&idev->dev, "Missing adc-channels-used property in the DT.\n"); + return -EINVAL; + } + st->channels_mask = prop; + + st->sleep_mode = of_property_read_bool(node, "atmel,adc-sleep-mode"); + + if (of_property_read_u32(node, "atmel,adc-startup-time", &prop)) { + dev_err(&idev->dev, "Missing adc-startup-time property in the DT.\n"); + return -EINVAL; + } + st->startup_time = prop; + + prop = 0; + of_property_read_u32(node, "atmel,adc-sample-hold-time", &prop); + st->sample_hold_time = prop; + + if (of_property_read_u32(node, "atmel,adc-vref", &prop)) { + dev_err(&idev->dev, "Missing adc-vref property in the DT.\n"); + return -EINVAL; + } + st->vref_mv = prop; + + st->res = st->caps->high_res_bits; + if (st->caps->low_res_bits && + !of_property_read_string(node, "atmel,adc-use-res", (const char **)&s) + && !strcmp(s, "lowres")) + st->res = st->caps->low_res_bits; + + dev_info(&idev->dev, "Resolution used: %u bits\n", st->res); + + st->registers = &st->caps->registers; + st->num_channels = st->caps->num_channels; + + /* Check if touchscreen is supported. */ + if (st->caps->has_ts) { + ret = at91_adc_probe_dt_ts(node, st, &idev->dev); + if (ret) + return ret; + } platform_set_drvdata(pdev, idev); @@ -1091,7 +1072,6 @@ static int at91_adc_probe(struct platform_device *pdev) if (IS_ERR(st->reg_base)) return PTR_ERR(st->reg_base); - /* * Disable all IRQs before setting up the handler */ -- 2.28.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-11-13 21:27 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-13 21:26 [PATCH 0/9] iio: adc: at91_adc: cleanup DT bindings Alexandre Belloni 2020-11-13 21:26 ` Alexandre Belloni 2020-11-13 21:26 ` [PATCH 1/9] iio: adc: at91_adc: remove platform data Alexandre Belloni 2020-11-13 21:26 ` Alexandre Belloni 2020-11-13 21:26 ` [PATCH 2/9] iio: adc: at91_adc: rework resolution selection Alexandre Belloni 2020-11-13 21:26 ` Alexandre Belloni 2020-11-14 16:59 ` Jonathan Cameron 2020-11-14 16:59 ` Jonathan Cameron 2020-11-13 21:26 ` [PATCH 3/9] dt-bindings:iio:adc:atmel,sama9260-adc: conversion to yaml from at91_adc.txt Alexandre Belloni 2020-11-13 21:26 ` [PATCH 3/9] dt-bindings:iio:adc:atmel, sama9260-adc: " Alexandre Belloni 2020-11-14 16:53 ` [PATCH 3/9] dt-bindings:iio:adc:atmel,sama9260-adc: " Jonathan Cameron 2020-11-14 16:53 ` Jonathan Cameron 2020-11-13 21:26 ` [PATCH 4/9] iio: adc: at91_adc: rework trigger definition Alexandre Belloni 2020-11-13 21:26 ` Alexandre Belloni 2020-11-14 17:02 ` Jonathan Cameron 2020-11-14 17:02 ` Jonathan Cameron 2020-11-14 19:16 ` Alexandre Belloni 2020-11-14 19:16 ` Alexandre Belloni 2020-11-13 21:26 ` Alexandre Belloni [this message] 2020-11-13 21:26 ` [PATCH 5/9] iio: adc: at91_adc: merge at91_adc_probe_dt back in at91_adc_probe Alexandre Belloni 2020-11-14 17:08 ` Jonathan Cameron 2020-11-14 17:08 ` Jonathan Cameron 2020-11-14 17:15 ` Jonathan Cameron 2020-11-14 17:15 ` Jonathan Cameron 2020-11-14 19:19 ` Alexandre Belloni 2020-11-14 19:19 ` Alexandre Belloni 2020-11-13 21:26 ` [PATCH 6/9] iio: adc: at91_adc: remove forward declaration Alexandre Belloni 2020-11-13 21:26 ` Alexandre Belloni 2020-11-14 17:09 ` Jonathan Cameron 2020-11-14 17:09 ` Jonathan Cameron 2020-11-13 21:26 ` [PATCH 7/9] iio: adc: at91_adc: use devm_input_allocate_device Alexandre Belloni 2020-11-13 21:26 ` Alexandre Belloni 2020-11-14 17:13 ` Jonathan Cameron 2020-11-14 17:13 ` Jonathan Cameron 2020-11-14 19:22 ` Alexandre Belloni 2020-11-14 19:22 ` Alexandre Belloni 2020-11-13 21:26 ` [PATCH 8/9] ARM: dts: at91: sama5d3: use proper ADC compatible Alexandre Belloni 2020-11-13 21:26 ` Alexandre Belloni 2020-11-13 21:26 ` [PATCH 9/9] ARM: dts: at91: remove deprecated ADC properties Alexandre Belloni 2020-11-13 21:26 ` Alexandre Belloni 2020-11-14 17:17 ` [PATCH 0/9] iio: adc: at91_adc: cleanup DT bindings Jonathan Cameron 2020-11-14 17:17 ` Jonathan Cameron 2020-11-16 6:32 ` Ludovic Desroches 2020-11-16 6:32 ` Ludovic Desroches
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