Re: [PATCH v7 3/5] dmaengine: dw-edma: Add support for native HDMA

From: Lars-Peter Clausen
Date: Sat Mar 18 2023 - 10:10:25 EST


On 3/14/23 18:28, Cai Huoqing wrote:
Add support for HDMA NATIVE, as long the IP design has set

diff --git a/drivers/dma/dw-edma/dw-hdma-v0-regs.h b/drivers/dma/dw-edma/dw-hdma-v0-regs.h
new file mode 100644
index 000000000000..0a6032aa1a33
--- /dev/null
+++ b/drivers/dma/dw-edma/dw-hdma-v0-regs.h
@@ -0,0 +1,130 @@

+struct dw_hdma_v0_ch_regs {
[...]
+ u32 msi_msgdata; /* 0x00a8 */
+ u32 padding_2[21]; /* 0x00ac..0x00e8 */
The comment here is wrong. This goes all the way to 0x00fc.
+} __packed;
+