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authorAxel Lin <axel.lin@ingics.com>2019-04-07 22:58:17 +0800
committerMark Brown <broonie@kernel.org>2019-04-08 14:08:53 +0700
commit5d785141c8b30d252ebab897429022da379bdb0f (patch)
treee29c88bb99fcb1477d77d81622b6f1921e19daf7 /drivers/spi
parenta18656ea39855519495c9b996205b5fe9cf86123 (diff)
downloadlinux-5d785141c8b30d252ebab897429022da379bdb0f.tar.bz2
spi: fsl-lpspi: Clean up fsl_lpspi_probe
Use is_slave local variable to avoid calling of_property_read_bool() twice. Remove redudant assignment for controller->bus_num, set it once is enough. Move setting controller->bits_per_word_mask close to the code init other controller fields. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-fsl-lpspi.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index 9b281260fc02..d08e9324140e 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -843,8 +843,10 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
struct resource *res;
int i, ret, irq;
u32 temp;
+ bool is_slave;
- if (of_property_read_bool((&pdev->dev)->of_node, "spi-slave"))
+ is_slave = of_property_read_bool((&pdev->dev)->of_node, "spi-slave");
+ if (is_slave)
controller = spi_alloc_slave(&pdev->dev,
sizeof(struct fsl_lpspi_data));
else
@@ -856,13 +858,9 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, controller);
- controller->bits_per_word_mask = SPI_BPW_RANGE_MASK(8, 32);
- controller->bus_num = pdev->id;
-
fsl_lpspi = spi_controller_get_devdata(controller);
fsl_lpspi->dev = &pdev->dev;
- fsl_lpspi->is_slave = of_property_read_bool((&pdev->dev)->of_node,
- "spi-slave");
+ fsl_lpspi->is_slave = is_slave;
if (!fsl_lpspi->is_slave) {
for (i = 0; i < controller->num_chipselect; i++) {
@@ -887,6 +885,7 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
controller->prepare_message = fsl_lpspi_prepare_message;
}
+ controller->bits_per_word_mask = SPI_BPW_RANGE_MASK(8, 32);
controller->transfer_one = fsl_lpspi_transfer_one;
controller->prepare_transfer_hardware = lpspi_prepare_xfer_hardware;
controller->unprepare_transfer_hardware = lpspi_unprepare_xfer_hardware;