From: Nathan Lynch <nathan.lynch@xxxxxxx>
The device_prep_dma_imm_data() method isn't implemented or invoked by
any code since commit 80ade22c06ca ("misc: mic: remove the MIC drivers").
Remove it, shrinking struct dma_device by a few bytes.
Signed-off-by: Nathan Lynch <nathan.lynch@xxxxxxx>
---
include/linux/dmaengine.h | 4 ----
1 file changed, 4 deletions(-)
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index a360e0330436470bfea17f8df567ff785e4293ea..bb146c5ac3e4ccd7bc0afbf3b28e5b3d659ad62f 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -839,7 +839,6 @@ struct dma_filter {
* The function takes a buffer of size buf_len. The callback function will
* be called after period_len bytes have been transferred.
* @device_prep_interleaved_dma: Transfer expression in a generic way.
- * @device_prep_dma_imm_data: DMA's 8 byte immediate data to the dst address
* @device_caps: May be used to override the generic DMA slave capabilities
* with per-channel specific ones
* @device_config: Pushes a new configuration to a channel, return 0 or an error
@@ -942,9 +941,6 @@ struct dma_device {
struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)(
struct dma_chan *chan, struct dma_interleaved_template *xt,
unsigned long flags);
- struct dma_async_tx_descriptor *(*device_prep_dma_imm_data)(
- struct dma_chan *chan, dma_addr_t dst, u64 data,
- unsigned long flags);
void (*device_caps)(struct dma_chan *chan, struct dma_slave_caps *caps);
int (*device_config)(struct dma_chan *chan, struct dma_slave_config *config);
---
base-commit: 2c17e9ea0caa5555e31e154fa1b06260b816f5cc
change-id: 20250210-dmaengine-drop-imm-data-f7a8e749fcef
Best regards,
--
Nathan Lynch <nathan.lynch@xxxxxxx>
