* [PATCH] bus/platform: probe devices without resources
@ 2023-03-13 7:07 Tomasz Duszynski
2023-03-16 16:49 ` Thomas Monjalon
0 siblings, 1 reply; 2+ messages in thread
From: Tomasz Duszynski @ 2023-03-13 7:07 UTC (permalink / raw)
To: dev, Tomasz Duszynski; +Cc: jerinj, thomas
Platform device does not necessarily need to have any resources
defined. That means device is only capable of doing DMA transfers
and platform bus should not hinder a valid use-case.
Signed-off-by: Tomasz Duszynski <tduszynski@marvell.com>
---
drivers/bus/platform/platform.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/bus/platform/platform.c b/drivers/bus/platform/platform.c
index 536d9524c6..8a73f4d7e1 100644
--- a/drivers/bus/platform/platform.c
+++ b/drivers/bus/platform/platform.c
@@ -269,8 +269,10 @@ device_map_resources(struct rte_platform_device *pdev, unsigned int num)
unsigned int i;
int ret;
- if (num == 0)
+ if (num == 0) {
PLATFORM_LOG(WARNING, "device %s has no resources\n", pdev->name);
+ return 0;
+ }
pdev->resource = calloc(num, sizeof(*pdev->resource));
if (pdev->resource == NULL)
--
2.34.1
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2023-03-13 7:07 [PATCH] bus/platform: probe devices without resources Tomasz Duszynski
2023-03-16 16:49 ` Thomas Monjalon
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