diff options
| author | Heiner Kallweit <heiner.kallweit@web.de> | 2016-09-17 16:43:31 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-09-24 21:48:32 +0300 |
| commit | 604042af7697314fffb16e266fd7d5ad488439cc (patch) | |
| tree | e13c123f2e2dd91c55f6a7e33933da26cf04b262 /drivers/spi/spi-fsl-espi.c | |
| parent | acf692190f972ee2ed6578f30278f21c244d6148 (diff) | |
| download | linux-604042af7697314fffb16e266fd7d5ad488439cc.tar.xz | |
spi: fsl-espi: improve return value handling in fsl_espi_probe
The return value of fsl_espi_probe (currently struct spi_master *)
is just used for checking whether an error occurred.
Change the return value type to int and simplify the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-espi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-espi.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index dee3f822cea8..7451585a080e 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -538,8 +538,8 @@ static size_t fsl_espi_max_message_size(struct spi_device *spi) return SPCOM_TRANLEN_MAX; } -static struct spi_master * fsl_espi_probe(struct device *dev, - struct resource *mem, unsigned int irq) +static int fsl_espi_probe(struct device *dev, struct resource *mem, + unsigned int irq) { struct fsl_spi_platform_data *pdata = dev_get_platdata(dev); struct spi_master *master; @@ -547,13 +547,11 @@ static struct spi_master * fsl_espi_probe(struct device *dev, struct device_node *nc; const __be32 *prop; u32 regval, csmode; - int i, len, ret = 0; + int i, len, ret; master = spi_alloc_master(dev, sizeof(struct mpc8xxx_spi)); - if (!master) { - ret = -ENOMEM; - goto err; - } + if (!master) + return -ENOMEM; dev_set_drvdata(dev, master); @@ -647,7 +645,7 @@ static struct spi_master * fsl_espi_probe(struct device *dev, pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); - return master; + return 0; err_pm: pm_runtime_put_noidle(dev); @@ -655,8 +653,7 @@ err_pm: pm_runtime_set_suspended(dev); err_probe: spi_master_put(master); -err: - return ERR_PTR(ret); + return ret; } static int of_fsl_espi_get_chipselects(struct device *dev) @@ -682,7 +679,6 @@ static int of_fsl_espi_probe(struct platform_device *ofdev) { struct device *dev = &ofdev->dev; struct device_node *np = ofdev->dev.of_node; - struct spi_master *master; struct resource mem; unsigned int irq; int ret; @@ -703,11 +699,7 @@ static int of_fsl_espi_probe(struct platform_device *ofdev) if (!irq) return -EINVAL; - master = fsl_espi_probe(dev, &mem, irq); - if (IS_ERR(master)) - return PTR_ERR(master); - - return 0; + return fsl_espi_probe(dev, &mem, irq); } static int of_fsl_espi_remove(struct platform_device *dev) |