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authorGrant Likely <grant.likely@secretlab.ca>2012-05-19 23:42:08 -0600
committerGrant Likely <grant.likely@secretlab.ca>2012-05-19 23:42:08 -0600
commit1e8a52e18cfb381bc9cc1f0b720540364d2a6edd (patch)
treec10c014afe3e7cab09773b8af214a0c2e85aac2e /drivers/spi/spi.c
parent71422f9e68d43f3fbc6c8939ca8d1b80aa2e4d1a (diff)
downloadop-kernel-dev-1e8a52e18cfb381bc9cc1f0b720540364d2a6edd.zip
op-kernel-dev-1e8a52e18cfb381bc9cc1f0b720540364d2a6edd.tar.gz
spi: By default setup spi_masters with 1 chipselect and dynamics bus number
Trivial simplification. Instead of requiring spi master drivers to always set the bus number (even when a dynamic number is desired), this patch modifies spi_alloc_master() to initialize num_chipselect to 1 (because there will always be at least one CS) and bus_num to -1 for dynamic allocation. This simplifies the code needed to be written for drivers. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/spi/spi.c')
-rw-r--r--drivers/spi/spi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 2d65b16..1041cb8 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -936,6 +936,8 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
return NULL;
device_initialize(&master->dev);
+ master->bus_num = -1;
+ master->num_chipselect = 1;
master->dev.class = &spi_master_class;
master->dev.parent = get_device(dev);
spi_master_set_devdata(master, &master[1]);
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