This functionality is not used by the IIO subsystem. Due to removal of legacy API it can also be removed.
Signed-off-by: Sebastian Reichel <[email protected]> --- drivers/iio/adc/twl4030-madc.c | 70 ---------------------------------------- include/linux/i2c/twl4030-madc.h | 1 - 2 files changed, 71 deletions(-) diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c index be60f76d1a50..21df5b932bd1 100644 --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -86,7 +86,6 @@ static int twl4030_madc_read(struct iio_dev *iio_dev, req.channels = BIT(chan->channel); req.active = false; - req.func_cb = NULL; req.type = TWL4030_MADC_WAIT; req.raw = !(mask == IIO_CHAN_INFO_PROCESSED); req.do_avg = (mask == IIO_CHAN_INFO_AVERAGE_RAW); @@ -343,37 +342,6 @@ static int twl4030_madc_read_channels(struct twl4030_madc_data *madc, } /* - * Enables irq. - * @madc - pointer to twl4030_madc_data struct - * @id - irq number to be enabled - * can take one of TWL4030_MADC_RT, TWL4030_MADC_SW1, TWL4030_MADC_SW2 - * corresponding to RT, SW1, SW2 conversion requests. - * If the i2c read fails it returns an error else returns 0. - */ -static int twl4030_madc_enable_irq(struct twl4030_madc_data *madc, u8 id) -{ - u8 val; - int ret; - - ret = twl_i2c_read_u8(TWL4030_MODULE_MADC, &val, madc->imr); - if (ret) { - dev_err(madc->dev, "unable to read imr register 0x%X\n", - madc->imr); - return ret; - } - - val &= ~(1 << id); - ret = twl_i2c_write_u8(TWL4030_MODULE_MADC, val, madc->imr); - if (ret) { - dev_err(madc->dev, - "unable to write imr register 0x%X\n", madc->imr); - return ret; - } - - return 0; -} - -/* * Disables irq. * @madc - pointer to twl4030_madc_data struct * @id - irq number to be disabled @@ -442,11 +410,6 @@ static irqreturn_t twl4030_madc_threaded_irq_handler(int irq, void *_madc) /* Read results */ len = twl4030_madc_read_channels(madc, method->rbase, r->channels, r->rbuf, r->raw); - /* Return results to caller */ - if (r->func_cb != NULL) { - r->func_cb(len, r->channels, r->rbuf); - r->func_cb = NULL; - } /* Free request */ r->result_pending = 0; r->active = 0; @@ -468,11 +431,6 @@ static irqreturn_t twl4030_madc_threaded_irq_handler(int irq, void *_madc) /* Read results */ len = twl4030_madc_read_channels(madc, method->rbase, r->channels, r->rbuf, r->raw); - /* Return results to caller */ - if (r->func_cb != NULL) { - r->func_cb(len, r->channels, r->rbuf); - r->func_cb = NULL; - } /* Free request */ r->result_pending = 0; r->active = 0; @@ -482,23 +440,6 @@ static irqreturn_t twl4030_madc_threaded_irq_handler(int irq, void *_madc) return IRQ_HANDLED; } -static int twl4030_madc_set_irq(struct twl4030_madc_data *madc, - struct twl4030_madc_request *req) -{ - struct twl4030_madc_request *p; - int ret; - - p = &madc->requests[req->method]; - memcpy(p, req, sizeof(*req)); - ret = twl4030_madc_enable_irq(madc, req->method); - if (ret < 0) { - dev_err(madc->dev, "enable irq failed!!\n"); - return ret; - } - - return 0; -} - /* * Function which enables the madc conversion * by writing to the control register. @@ -607,17 +548,6 @@ static int twl4030_madc_conversion(struct twl4030_madc_request *req) goto out; } } - if (req->type == TWL4030_MADC_IRQ_ONESHOT && req->func_cb != NULL) { - ret = twl4030_madc_set_irq(twl4030_madc, req); - if (ret < 0) - goto out; - ret = twl4030_madc_start_conversion(twl4030_madc, req->method); - if (ret < 0) - goto out; - twl4030_madc->requests[req->method].active = 1; - ret = 0; - goto out; - } /* With RT method we should not be here anymore */ if (req->method == TWL4030_MADC_RT) { ret = -EINVAL; diff --git a/include/linux/i2c/twl4030-madc.h b/include/linux/i2c/twl4030-madc.h index f395700fb933..34e94747b61e 100644 --- a/include/linux/i2c/twl4030-madc.h +++ b/include/linux/i2c/twl4030-madc.h @@ -51,7 +51,6 @@ struct twl4030_madc_request { bool result_pending; bool raw; int rbuf[TWL4030_MADC_MAX_CHANNELS]; - void (*func_cb)(int len, int channels, int *buf); }; enum conversion_methods { -- 2.11.0
