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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-07-14 12:17:45 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-07-14 16:44:36 +0300 |
| commit | 36124dea164cf684869e856b2ada23e8adab5f03 (patch) | |
| tree | 729a754aefb8b840b150310bd4c0ac0da0e10e37 /drivers/spi/spi.c | |
| parent | 3b38cabd5e12b8b54b9c9feab9ab0093b991f249 (diff) | |
| download | linux-36124dea164cf684869e856b2ada23e8adab5f03.tar.xz | |
spi: Remove code duplication in spi_add_device*()
The commit 0c79378c0199 ("spi: add ancillary device support")
added a dozen of duplicating lines of code. We may move them
to the __spi_add_device(). Note, that the code may be called
under the mutex.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230714091748.89681-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi.c')
| -rw-r--r-- | drivers/spi/spi.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index ae2693ba1744..8e70f4183e62 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -631,6 +631,16 @@ static int __spi_add_device(struct spi_device *spi) struct device *dev = ctlr->dev.parent; int status; + /* Chipselects are numbered 0..max; validate. */ + if (spi_get_chipselect(spi, 0) >= ctlr->num_chipselect) { + dev_err(dev, "cs%d >= max %d\n", spi_get_chipselect(spi, 0), + ctlr->num_chipselect); + return -EINVAL; + } + + /* Set the bus ID string */ + spi_dev_set_name(spi); + /* * We need to make sure there's no other device with this * chipselect **BEFORE** we call setup(), else we'll trash @@ -689,19 +699,8 @@ static int __spi_add_device(struct spi_device *spi) int spi_add_device(struct spi_device *spi) { struct spi_controller *ctlr = spi->controller; - struct device *dev = ctlr->dev.parent; int status; - /* Chipselects are numbered 0..max; validate. */ - if (spi_get_chipselect(spi, 0) >= ctlr->num_chipselect) { - dev_err(dev, "cs%d >= max %d\n", spi_get_chipselect(spi, 0), - ctlr->num_chipselect); - return -EINVAL; - } - - /* Set the bus ID string */ - spi_dev_set_name(spi); - mutex_lock(&ctlr->add_lock); status = __spi_add_device(spi); mutex_unlock(&ctlr->add_lock); @@ -712,17 +711,6 @@ EXPORT_SYMBOL_GPL(spi_add_device); static int spi_add_device_locked(struct spi_device *spi) { struct spi_controller *ctlr = spi->controller; - struct device *dev = ctlr->dev.parent; - - /* Chipselects are numbered 0..max; validate. */ - if (spi_get_chipselect(spi, 0) >= ctlr->num_chipselect) { - dev_err(dev, "cs%d >= max %d\n", spi_get_chipselect(spi, 0), - ctlr->num_chipselect); - return -EINVAL; - } - - /* Set the bus ID string */ - spi_dev_set_name(spi); WARN_ON(!mutex_is_locked(&ctlr->add_lock)); return __spi_add_device(spi); |