Re: [PATCH V3 3/4] dmaselftest: add memcpy selftest support functions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Sinan Kaya wrote:

+static int dma_selftest_sg(struct dma_device *dmadev,
+			struct dma_chan *dma_chanptr, u64 size,
+			unsigned long flags)
+{
+	dma_addr_t src_dma, dest_dma, dest_dma_it;
+	u8 *dest_buf;
+	u32 i, j = 0;
+	dma_cookie_t cookie;
+	struct dma_async_tx_descriptor *tx;
+	int err = 0;
+	int ret;
+	struct sg_table sg_table;
+	struct scatterlist	*sg;
+	int nents = 10, count;
+	bool free_channel = 1;

Booleans are either 'true' or 'false'.

+static int dma_selftest_mapsngle(struct device *dev)
+{
+	u32 buf_size = 256;
+	char *src;
+	int ret = -ENOMEM;
+	dma_addr_t dma_src;
+
+	src = kmalloc(buf_size, GFP_KERNEL);
+	if (!src)
+		return -ENOMEM;
+
+	strcpy(src, "hello world");

kstrdup()?

And why kmalloc anyway?  Why not leave it on the stack?

	char src[] = "hello world";

?


--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
Code Aurora Forum, hosted by The Linux Foundation.
--
To unsubscribe from this list: send the line "unsubscribe dmaengine" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Kernel]     [Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [Linux for Samsung SOC]     [eCos]     [Linux PCI]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [Linux MIPS]     [Yosemite Campsites]

  Powered by Linux