Message ID | 20200204191206.97036-3-swboyd@chromium.org (mailing list archive) |
---|---|
State | Accepted |
Commit | ea1e5b3354b1610ac16a780535fbdabfda9e6912 |
Headers | show |
Series | Misc qcom geni spi driver fixes | expand |
Hi, On Tue, Feb 4, 2020 at 11:12 AM Stephen Boyd <swboyd@chromium.org> wrote: > > Some lines are long here. Use a struct dev pointer to shorten lines and > simplify code. The clk_get() call can fail because of EPROBE_DEFER > problems too, so just remove the error print message because it isn't > useful. > > Cc: Girish Mahadevan <girishm@codeaurora.org> > Cc: Dilip Kota <dkota@codeaurora.org> > Cc: Alok Chauhan <alokc@codeaurora.org> > Cc: Douglas Anderson <dianders@chromium.org> > Signed-off-by: Stephen Boyd <swboyd@chromium.org> > --- > drivers/spi/spi-geni-qcom.c | 24 +++++++++++------------- > 1 file changed, 11 insertions(+), 13 deletions(-) > > diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c > index 46e501fc87f3..f0ca7f5ae714 100644 > --- a/drivers/spi/spi-geni-qcom.c > +++ b/drivers/spi/spi-geni-qcom.c > @@ -536,6 +536,7 @@ static int spi_geni_probe(struct platform_device *pdev) > struct spi_geni_master *mas; > void __iomem *base; > struct clk *clk; > + struct device *dev = &pdev->dev; > > irq = platform_get_irq(pdev, 0); > if (irq < 0) > @@ -545,28 +546,25 @@ static int spi_geni_probe(struct platform_device *pdev) > if (IS_ERR(base)) > return PTR_ERR(base); > > - clk = devm_clk_get(&pdev->dev, "se"); > - if (IS_ERR(clk)) { > - dev_err(&pdev->dev, "Err getting SE Core clk %ld\n", > - PTR_ERR(clk)); > + clk = devm_clk_get(dev, "se"); > + if (IS_ERR(clk)) There could be other errors besides -EPROBE_DEFER and devm_clk_get() won't have printed in all cases. ...but I agree that it seems highly unlikely we'd ever hit any of those but highly likely we _would_ print out a needless shout about -EPROBE_DEFER, so this is fine: Reviewed-by: Douglas Anderson <dianders@chromium.org>
diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index 46e501fc87f3..f0ca7f5ae714 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -536,6 +536,7 @@ static int spi_geni_probe(struct platform_device *pdev) struct spi_geni_master *mas; void __iomem *base; struct clk *clk; + struct device *dev = &pdev->dev; irq = platform_get_irq(pdev, 0); if (irq < 0) @@ -545,28 +546,25 @@ static int spi_geni_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); - clk = devm_clk_get(&pdev->dev, "se"); - if (IS_ERR(clk)) { - dev_err(&pdev->dev, "Err getting SE Core clk %ld\n", - PTR_ERR(clk)); + clk = devm_clk_get(dev, "se"); + if (IS_ERR(clk)) return PTR_ERR(clk); - } - spi = spi_alloc_master(&pdev->dev, sizeof(*mas)); + spi = spi_alloc_master(dev, sizeof(*mas)); if (!spi) return -ENOMEM; platform_set_drvdata(pdev, spi); mas = spi_master_get_devdata(spi); mas->irq = irq; - mas->dev = &pdev->dev; - mas->se.dev = &pdev->dev; - mas->se.wrapper = dev_get_drvdata(pdev->dev.parent); + mas->dev = dev; + mas->se.dev = dev; + mas->se.wrapper = dev_get_drvdata(dev->parent); mas->se.base = base; mas->se.clk = clk; spi->bus_num = -1; - spi->dev.of_node = pdev->dev.of_node; + spi->dev.of_node = dev->of_node; spi->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LOOP | SPI_CS_HIGH; spi->bits_per_word_mask = SPI_BPW_RANGE_MASK(4, 32); spi->num_chipselect = 4; @@ -579,13 +577,13 @@ static int spi_geni_probe(struct platform_device *pdev) init_completion(&mas->xfer_done); spin_lock_init(&mas->lock); - pm_runtime_enable(&pdev->dev); + pm_runtime_enable(dev); ret = spi_geni_init(mas); if (ret) goto spi_geni_probe_runtime_disable; - ret = request_irq(mas->irq, geni_spi_isr, 0, dev_name(&pdev->dev), spi); + ret = request_irq(mas->irq, geni_spi_isr, 0, dev_name(dev), spi); if (ret) goto spi_geni_probe_runtime_disable; @@ -597,7 +595,7 @@ static int spi_geni_probe(struct platform_device *pdev) spi_geni_probe_free_irq: free_irq(mas->irq, spi); spi_geni_probe_runtime_disable: - pm_runtime_disable(&pdev->dev); + pm_runtime_disable(dev); spi_master_put(spi); return ret; }
Some lines are long here. Use a struct dev pointer to shorten lines and simplify code. The clk_get() call can fail because of EPROBE_DEFER problems too, so just remove the error print message because it isn't useful. Cc: Girish Mahadevan <girishm@codeaurora.org> Cc: Dilip Kota <dkota@codeaurora.org> Cc: Alok Chauhan <alokc@codeaurora.org> Cc: Douglas Anderson <dianders@chromium.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> --- drivers/spi/spi-geni-qcom.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-)