diff options
| author |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-12-28 21:30:21 +0100 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2021-01-08 13:57:19 +0530 |
| commit | 33cb6d1ed311af2c1dfd107fa334cfb51113ef35 (patch) | |
| tree | 49123bc9f766b19f0a2c7bb8527964511b0aa00b /drivers/dma/at_hdmac.c | |
| parent | dmaengine: owl: Add compatible for the Actions Semi S500 DMA controller (diff) | |
| download | linux-dev-33cb6d1ed311af2c1dfd107fa334cfb51113ef35.tar.xz linux-dev-33cb6d1ed311af2c1dfd107fa334cfb51113ef35.zip | |
dmaengine: at_hdmac: remove platform data header
linux/platform_data/dma-atmel.h is only used by the at_hdmac driver. Move
the CFG bits definitions back in at_hdmac_regs.h and the remaining
definitions in the driver.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201228203022.2674133-1-alexandre.belloni@bootlin.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/at_hdmac.c')
| -rw-r--r-- | drivers/dma/at_hdmac.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 7eaee5b705b1..30ae36124b1d 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -54,6 +54,25 @@ module_param(init_nr_desc_per_channel, uint, 0644); MODULE_PARM_DESC(init_nr_desc_per_channel, "initial descriptors per channel (default: 64)"); +/** + * struct at_dma_platform_data - Controller configuration parameters + * @nr_channels: Number of channels supported by hardware (max 8) + * @cap_mask: dma_capability flags supported by the platform + */ +struct at_dma_platform_data { + unsigned int nr_channels; + dma_cap_mask_t cap_mask; +}; + +/** + * struct at_dma_slave - Controller-specific information about a slave + * @dma_dev: required DMA master device + * @cfg: Platform-specific initializer for the CFG register + */ +struct at_dma_slave { + struct device *dma_dev; + u32 cfg; +}; /* prototypes */ static dma_cookie_t atc_tx_submit(struct dma_async_tx_descriptor *tx); |