| Message ID | 20210902215144.507243-20-miquel.raynal@bootlin.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | TI AM437X ADC1 | expand |
On Thu, 2 Sep 2021 23:51:17 +0200 Miquel Raynal <miquel.raynal@bootlin.com> wrote: > Keeping the count of tsc_cells and adc_cells is completely redundant, we > can derive this information from other variables. Plus, these variables > are not used anywhere else now. Let's get rid of them. > > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Makes sense and nice to get rid of these. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > --- > drivers/mfd/ti_am335x_tscadc.c | 15 ++++----------- > include/linux/mfd/ti_am335x_tscadc.h | 3 --- > 2 files changed, 4 insertions(+), 14 deletions(-) > > diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c > index 0dcc2151ac1f..4a24fc1141cf 100644 > --- a/drivers/mfd/ti_am335x_tscadc.c > +++ b/drivers/mfd/ti_am335x_tscadc.c > @@ -122,7 +122,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) > const __be32 *cur; > u32 val; > int err, ctrl; > - int tsc_wires = 0, adc_channels = 0, total_channels; > + int tsc_wires = 0, adc_channels = 0, cell_idx = 0, total_channels; > int readouts = 0; > > /* Allocate memory for device */ > @@ -237,14 +237,9 @@ static int ti_tscadc_probe(struct platform_device *pdev) > ctrl |= CNTRLREG_TSCSSENB; > regmap_write(tscadc->regmap, REG_CTRL, ctrl); > > - tscadc->used_cells = 0; > - tscadc->tsc_cell = -1; > - tscadc->adc_cell = -1; > - > /* TSC Cell */ > if (tsc_wires > 0) { > - tscadc->tsc_cell = tscadc->used_cells; > - cell = &tscadc->cells[tscadc->used_cells++]; > + cell = &tscadc->cells[cell_idx++]; > cell->name = tscadc->data->name_tscmag; > cell->of_compatible = tscadc->data->compat_tscmag; > cell->platform_data = &tscadc; > @@ -253,8 +248,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) > > /* ADC Cell */ > if (adc_channels > 0) { > - tscadc->adc_cell = tscadc->used_cells; > - cell = &tscadc->cells[tscadc->used_cells++]; > + cell = &tscadc->cells[cell_idx++]; > cell->name = tscadc->data->name_adc; > cell->of_compatible = tscadc->data->compat_adc; > cell->platform_data = &tscadc; > @@ -262,8 +256,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) > } > > err = mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO, > - tscadc->cells, tscadc->used_cells, NULL, > - 0, NULL); > + tscadc->cells, cell_idx, NULL, 0, NULL); > if (err < 0) > goto err_disable_clk; > > diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h > index 0f581c15d95a..e734fb97dff8 100644 > --- a/include/linux/mfd/ti_am335x_tscadc.h > +++ b/include/linux/mfd/ti_am335x_tscadc.h > @@ -177,10 +177,7 @@ struct ti_tscadc_dev { > phys_addr_t tscadc_phys_base; > const struct ti_tscadc_data *data; > int irq; > - int used_cells; /* 1-2 */ > int tsc_wires; > - int tsc_cell; /* -1 if not used */ > - int adc_cell; /* -1 if not used */ > struct mfd_cell cells[TSCADC_CELLS]; > u32 reg_se_cache; > bool adc_waiting;
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index 0dcc2151ac1f..4a24fc1141cf 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -122,7 +122,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) const __be32 *cur; u32 val; int err, ctrl; - int tsc_wires = 0, adc_channels = 0, total_channels; + int tsc_wires = 0, adc_channels = 0, cell_idx = 0, total_channels; int readouts = 0; /* Allocate memory for device */ @@ -237,14 +237,9 @@ static int ti_tscadc_probe(struct platform_device *pdev) ctrl |= CNTRLREG_TSCSSENB; regmap_write(tscadc->regmap, REG_CTRL, ctrl); - tscadc->used_cells = 0; - tscadc->tsc_cell = -1; - tscadc->adc_cell = -1; - /* TSC Cell */ if (tsc_wires > 0) { - tscadc->tsc_cell = tscadc->used_cells; - cell = &tscadc->cells[tscadc->used_cells++]; + cell = &tscadc->cells[cell_idx++]; cell->name = tscadc->data->name_tscmag; cell->of_compatible = tscadc->data->compat_tscmag; cell->platform_data = &tscadc; @@ -253,8 +248,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) /* ADC Cell */ if (adc_channels > 0) { - tscadc->adc_cell = tscadc->used_cells; - cell = &tscadc->cells[tscadc->used_cells++]; + cell = &tscadc->cells[cell_idx++]; cell->name = tscadc->data->name_adc; cell->of_compatible = tscadc->data->compat_adc; cell->platform_data = &tscadc; @@ -262,8 +256,7 @@ static int ti_tscadc_probe(struct platform_device *pdev) } err = mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO, - tscadc->cells, tscadc->used_cells, NULL, - 0, NULL); + tscadc->cells, cell_idx, NULL, 0, NULL); if (err < 0) goto err_disable_clk; diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h index 0f581c15d95a..e734fb97dff8 100644 --- a/include/linux/mfd/ti_am335x_tscadc.h +++ b/include/linux/mfd/ti_am335x_tscadc.h @@ -177,10 +177,7 @@ struct ti_tscadc_dev { phys_addr_t tscadc_phys_base; const struct ti_tscadc_data *data; int irq; - int used_cells; /* 1-2 */ int tsc_wires; - int tsc_cell; /* -1 if not used */ - int adc_cell; /* -1 if not used */ struct mfd_cell cells[TSCADC_CELLS]; u32 reg_se_cache; bool adc_waiting;
Keeping the count of tsc_cells and adc_cells is completely redundant, we can derive this information from other variables. Plus, these variables are not used anywhere else now. Let's get rid of them. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> --- drivers/mfd/ti_am335x_tscadc.c | 15 ++++----------- include/linux/mfd/ti_am335x_tscadc.h | 3 --- 2 files changed, 4 insertions(+), 14 deletions(-)