6.1-stable review patch. If anyone has any objections, please let me know.
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From: Jarkko Nikula jarkko.nikula@linux.intel.com
[ Upstream commit 0c35691551387e060e6ae7a6652b4101270c73cf ]
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... Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Stable-dep-of: 9d4f219807d5 ("i3c: fix refcount inconsistency in i3c_master_register") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/i3c/master.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index 2f5cef08e737e..60a61e39e2bb7 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -2770,6 +2770,10 @@ 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;