Instead of 'else' branching use two sequential if:s, which allows to re-use the logic of IDR allocation in both cases.
Signed-off-by: Andy Shevchenko andriy.shevchenko@linux.intel.com --- drivers/spi/spi.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index d8064998aa27..6d74218cf38e 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -3122,8 +3122,8 @@ int spi_register_controller(struct spi_controller *ctlr) { struct device *dev = ctlr->dev.parent; struct boardinfo *bi; + int first_dynamic; int status; - int id, first_dynamic;
if (!dev) return -ENODEV; @@ -3136,19 +3136,13 @@ int spi_register_controller(struct spi_controller *ctlr) if (status) return status;
+ if (ctlr->bus_num < 0) + ctlr->bus_num = of_alias_get_id(ctlr->dev.of_node, "spi"); if (ctlr->bus_num >= 0) { /* Devices with a fixed bus num must check-in with the num */ status = spi_controller_id_alloc(ctlr, ctlr->bus_num, ctlr->bus_num + 1); if (status) return status; - } else { - /* Allocate dynamic bus number using Linux idr */ - id = of_alias_get_id(ctlr->dev.of_node, "spi"); - if (id >= 0) { - status = spi_controller_id_alloc(ctlr, id, id + 1); - if (status) - return status; - } } if (ctlr->bus_num < 0) { first_dynamic = of_alias_get_highest_id("spi");