[PATCH] devinfo: print DMA offset and mask in devinfo

[PATCH] devinfo: print DMA offset and mask in devinfo

[Ahmad Fatoum]

This is useful information to have in debugging, especially as
dma-ranges inheritance can be hard to follow, so add it to the devinfo
command output.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 commands/devinfo.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/commands/devinfo.c b/commands/devinfo.c
index c87b30e84307..b80dce005e9c 100644
--- a/commands/devinfo.c
+++ b/commands/devinfo.c
@@ -104,6 +104,12 @@ static int do_devinfo(int argc, char *argv[])
 		if (dev->of_node) {
 			struct device *main_dev = dev->of_node->dev;
 
+			if (dev->dma_offset)
+				printf("DMA offset: 0x%lx\n", dev->dma_offset);
+
+			if (dev->dma_mask)
+				printf("DMA mask: 0x%llx\n", dev->dma_mask);
+
 			printf("DMA Coherent: %s%s\n",
 			       dev_is_dma_coherent(dev) ? "true" : "false",
 			       dev->dma_coherent == DEV_DMA_COHERENCE_DEFAULT ? " (default)" : "");
-- 
2.47.3

Re: [PATCH] devinfo: print DMA offset and mask in devinfo

[Sascha Hauer]

On Wed, 03 Dec 2025 16:20:18 +0100, Ahmad Fatoum wrote:
> This is useful information to have in debugging, especially as
> dma-ranges inheritance can be hard to follow, so add it to the devinfo
> command output.
> 
> 

Applied, thanks!

[1/1] devinfo: print DMA offset and mask in devinfo
      https://git.pengutronix.de/cgit/barebox/commit/?id=870eb1d4e1ed (link may not be stable)

Best regards,
-- 
Sascha Hauer <s.hauer@pengutronix.de>