i3c: master: Inherit DMA masks and parameters from parent device

Copy the DMA masks and parameters for an I3C master device from parent
device so that the master device has them set for the DMA buffer and
mapping API.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/r/20230921055704.1087277-2-jarkko.nikula@linux.intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index 8573ca5077082af0117c5a32633bab6032f58a75..839eb8b4bbdec94d103e85760aa411d782d794af 100644 (file)
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -2629,6 +2629,10 @@ int i3c_master_register(struct i3c_master_controller *master,
        device_initialize(&master->dev);
        dev_set_name(&master->dev, "i3c-%d", i3cbus->id);
 
+       master->dev.dma_mask = parent->dma_mask;
+       master->dev.coherent_dma_mask = parent->coherent_dma_mask;
+       master->dev.dma_parms = parent->dma_parms;
+
        ret = of_populate_i3c_bus(master);
        if (ret)
                goto err_put_dev;