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Mon, 9 Nov 2026 23:09:21 -0600 From: Dileep Kumar Nagavarapu To: Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , Michal Simek , Conall O'Griofa CC: , , , , Dileep Kumar Nagavarapu , Sai Krishna Potthuri Subject: [PATCH v5 15/16] iio: adc: xilinx-xadc: Add .setup_channels() to struct xadc_ops Date: Tue, 10 Nov 2026 10:32:00 +0530 Message-ID: <20261110050201.1850399-16-dileepkumar.nagavarapu@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261110050201.1850399-1-dileepkumar.nagavarapu@amd.com> References: <20261110050201.1850399-1-dileepkumar.nagavarapu@amd.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY1PEPF00026959:EE_|LV8PR12MB9692:EE_ X-MS-Office365-Filtering-Correlation-Id: 277fd3a6-369f-4231-b784-08df3ee8cc13 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|36860700016|23010399003|376014|18002099003|22082099003|10067099003|11063799006|56012099006|261028144727099003|261102123227099003|261102130727099003|261022075727099003|261022105027099003|261021123027099003|261021121427099003|261026140227099003|261009223027099003|261026121527099003; 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Export xadc_parse_dt() as it will be used by the I2C interface support added later in this series. This avoids duplicating the devicetree parsing logic across interface files. Co-developed-by: Sai Krishna Potthuri Signed-off-by: Sai Krishna Potthuri Signed-off-by: Dileep Kumar Nagavarapu --- drivers/iio/adc/xilinx-xadc-core.c | 6 ++++-- drivers/iio/adc/xilinx-xadc-platform.c | 3 +++ drivers/iio/adc/xilinx-xadc.h | 2 ++ 3 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index e92d21efe3c1..24b2a8118daa 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -656,7 +656,7 @@ static const struct iio_info xadc_info = { .update_scan_mode = &xadc_update_scan_mode, }; -static int xadc_parse_dt(struct iio_dev *indio_dev, unsigned int *conf, int irq) +int xadc_parse_dt(struct iio_dev *indio_dev, unsigned int *conf, int irq) { struct device *dev = indio_dev->dev.parent; struct xadc *xadc = iio_priv(indio_dev); @@ -762,6 +762,7 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, unsigned int *conf, int irq) return 0; } +EXPORT_SYMBOL_NS_GPL(xadc_parse_dt, "IIO_XADC"); static const char *const xadc_type_names[] = { [XADC_TYPE_S7] = "xadc", @@ -787,9 +788,10 @@ EXPORT_SYMBOL_NS_GPL(xadc_device_setup, "IIO_XADC"); int xadc_device_configure(struct iio_dev *indio_dev, int irq, unsigned int *conf0, unsigned int *bipolar_mask) { + struct xadc *xadc = iio_priv(indio_dev); int ret; - ret = xadc_parse_dt(indio_dev, conf0, irq); + ret = xadc->ops->setup_channels(indio_dev, conf0, irq); if (ret) return ret; diff --git a/drivers/iio/adc/xilinx-xadc-platform.c b/drivers/iio/adc/xilinx-xadc-platform.c index 68610c0ffa43..f3e44f768656 100644 --- a/drivers/iio/adc/xilinx-xadc-platform.c +++ b/drivers/iio/adc/xilinx-xadc-platform.c @@ -412,6 +412,7 @@ static const struct xadc_ops xadc_zynq_ops = { .get_dclk_rate = xadc_zynq_get_dclk_rate, .interrupt_handler = xadc_zynq_interrupt_handler, .update_alarm = xadc_zynq_update_alarm, + .setup_channels = xadc_parse_dt, .type = XADC_TYPE_S7, /* Temp in C = (val * 503.975) / 2**bits - 273.15 */ .temp_scale = 503975, @@ -516,6 +517,7 @@ static const struct xadc_ops xadc_7s_axi_ops = { .get_dclk_rate = xadc_axi_get_dclk, .update_alarm = xadc_axi_update_alarm, .interrupt_handler = xadc_axi_interrupt_handler, + .setup_channels = xadc_parse_dt, .flags = XADC_FLAGS_BUFFERED | XADC_FLAGS_IRQ_OPTIONAL, .type = XADC_TYPE_S7, /* Temp in C = (val * 503.975) / 2**bits - 273.15 */ @@ -530,6 +532,7 @@ static const struct xadc_ops xadc_us_axi_ops = { .get_dclk_rate = xadc_axi_get_dclk, .update_alarm = xadc_axi_update_alarm, .interrupt_handler = xadc_axi_interrupt_handler, + .setup_channels = xadc_parse_dt, .flags = XADC_FLAGS_BUFFERED | XADC_FLAGS_IRQ_OPTIONAL, .type = XADC_TYPE_US, /** diff --git a/drivers/iio/adc/xilinx-xadc.h b/drivers/iio/adc/xilinx-xadc.h index c70cb6a77d2e..e52e90a22a67 100644 --- a/drivers/iio/adc/xilinx-xadc.h +++ b/drivers/iio/adc/xilinx-xadc.h @@ -80,6 +80,7 @@ struct xadc_ops { void (*update_alarm)(struct xadc *xadc, unsigned int alarm); unsigned long (*get_dclk_rate)(struct xadc *xadc); irqreturn_t (*interrupt_handler)(int irq, void *devid); + int (*setup_channels)(struct iio_dev *indio_dev, unsigned int *conf, int irq); unsigned int flags; enum xadc_type type; @@ -225,6 +226,7 @@ static inline int xadc_write_adc_reg(struct xadc *xadc, unsigned int reg, u16 va void xadc_write_reg(struct xadc *xadc, unsigned int reg, u32 val); void xadc_read_reg(struct xadc *xadc, unsigned int reg, u32 *val); struct iio_dev *xadc_device_setup(struct device *dev, int size, enum xadc_type type); +int xadc_parse_dt(struct iio_dev *indio_dev, unsigned int *conf, int irq); int xadc_device_configure(struct iio_dev *indio_dev, int irq, unsigned int *conf0, unsigned int *bipolar_mask); int xadc_read_samplerate(struct xadc *xadc); -- 2.34.1