Problem with SPI initialization on S7GZ SSP 1.2

Dear,

I'm trying to use SPI framework on S7G2 platform with SSP 1.2.
I configured the g_sf_spi_device in the SSP with driver on r_rspi.

When I try to open the device with :
g_sf_spi_device0.p_api->open(g_sf_spi_device0.p_ctrl, g_sf_spi_device0.p_cfg);

I have the following error :
SSP_ERR_IRQ_BSP_DISABLED

Stéphane