diff options
author | Alok Chauhan | 2018-10-25 22:10:29 +0530 |
---|---|---|
committer | Mark Brown | 2018-11-05 11:53:52 +0000 |
commit | 6a34e285de9afc4441ee81ce76865acd30ed9263 (patch) | |
tree | 12e7c673a0f833cc77e176964b5619160d257814 /drivers | |
parent | 0dccff3ce73aa6e9b1b4b0ddb3831c1d7fde9507 (diff) |
spi: spi-geni-qcom: Simplify probe function
Re-arrange existing APIs in probe function to
avoid using goto and remove redundant variables.
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/spi/spi-geni-qcom.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c index d1830fbf2fc6..fdb7cb88fb56 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -535,11 +535,30 @@ static irqreturn_t geni_spi_isr(int irq, void *data) static int spi_geni_probe(struct platform_device *pdev) { - int ret; + int ret, irq; struct spi_master *spi; struct spi_geni_master *mas; struct resource *res; - struct geni_se *se; + void __iomem *base; + struct clk *clk; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "Err getting IRQ %d\n", irq); + return irq; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(&pdev->dev, res); + 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)); + return PTR_ERR(clk); + } spi = spi_alloc_master(&pdev->dev, sizeof(*mas)); if (!spi) @@ -547,27 +566,15 @@ static int spi_geni_probe(struct platform_device *pdev) 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); - se = &mas->se; + mas->se.base = base; + mas->se.clk = clk; spi->bus_num = -1; spi->dev.of_node = pdev->dev.of_node; - mas->se.clk = devm_clk_get(&pdev->dev, "se"); - if (IS_ERR(mas->se.clk)) { - ret = PTR_ERR(mas->se.clk); - dev_err(&pdev->dev, "Err getting SE Core clk %d\n", ret); - goto spi_geni_probe_err; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - se->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(se->base)) { - ret = PTR_ERR(se->base); - goto spi_geni_probe_err; - } - 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; @@ -586,13 +593,6 @@ static int spi_geni_probe(struct platform_device *pdev) if (ret) goto spi_geni_probe_runtime_disable; - mas->irq = platform_get_irq(pdev, 0); - if (mas->irq < 0) { - ret = mas->irq; - dev_err(&pdev->dev, "Err getting IRQ %d\n", ret); - goto spi_geni_probe_runtime_disable; - } - ret = request_irq(mas->irq, geni_spi_isr, IRQF_TRIGGER_HIGH, "spi_geni", spi); if (ret) @@ -607,7 +607,6 @@ spi_geni_probe_free_irq: free_irq(mas->irq, spi); spi_geni_probe_runtime_disable: pm_runtime_disable(&pdev->dev); -spi_geni_probe_err: spi_master_put(spi); return ret; } |