quoted

+static inline dma_addr_t __must_check
+cma_alloc(const struct device *dev, const char *kind,
+	  size_t size, dma_addr_t alignment)
+{
+	return dev ? -EINVAL : __cma_alloc(dev, kind, size, alignment);

On Tue, 27 Jul 2010 14:08:41 +0200, Russell King - ARM Linux [off-list ref] wrote:

So I can't use this to allocate memory for anything but a NULL device?

quoted

+static inline int
+cma_info(struct cma_info *info, const struct device *dev, const char *kind)
+{
+	return dev ? -EINVAL : __cma_info(info, dev, kind);

This won't return information for anything but a NULL device?

Obviously a bug.  Thanks for spotting that.

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