diff mbox series

[03/11] mmc: bcm2835: stop setting chan_config->slave_id

Message ID 20211115085403.360194-4-arnd@kernel.org (mailing list archive)
State Superseded
Headers show
Series dmaengine: kill off dma_slave_config->slave_id | expand

Commit Message

Arnd Bergmann Nov. 15, 2021, 8:53 a.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>

The field is not interpreted by the DMA engine driver, as all the data
is passed from devicetree instead. Remove the assignment so the field
can eventually be deleted.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/mmc/host/bcm2835.c | 2 --
 1 file changed, 2 deletions(-)

Comments

Nicolas Saenz Julienne Nov. 15, 2021, 9:55 a.m. UTC | #1 
On Mon, 2021-11-15 at 09:53 +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> The field is not interpreted by the DMA engine driver, as all the data
> is passed from devicetree instead. Remove the assignment so the field
> can eventually be deleted.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Reviewed-by: Nicolas Saenz Julienne <nsaenz@kernel.org>

Regards,
Nicolas
Ulf Hansson Nov. 15, 2021, 1:09 p.m. UTC | #2 
On Mon, 15 Nov 2021 at 09:55, Arnd Bergmann <arnd@kernel.org> wrote:
>
> From: Arnd Bergmann <arnd@arndb.de>
>
> The field is not interpreted by the DMA engine driver, as all the data
> is passed from devicetree instead. Remove the assignment so the field
> can eventually be deleted.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Acked-by: Ulf Hansson <ulf.hansson@linaro.org>

Kind regards
Uffe

> ---
>  drivers/mmc/host/bcm2835.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
> index 8c2361e66277..463b707d9e99 100644
> --- a/drivers/mmc/host/bcm2835.c
> +++ b/drivers/mmc/host/bcm2835.c
> @@ -1293,14 +1293,12 @@ static int bcm2835_add_host(struct bcm2835_host *host)
>
>                 host->dma_cfg_tx.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
>                 host->dma_cfg_tx.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
> -               host->dma_cfg_tx.slave_id = 13;         /* DREQ channel */
>                 host->dma_cfg_tx.direction = DMA_MEM_TO_DEV;
>                 host->dma_cfg_tx.src_addr = 0;
>                 host->dma_cfg_tx.dst_addr = host->phys_addr + SDDATA;
>
>                 host->dma_cfg_rx.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
>                 host->dma_cfg_rx.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
> -               host->dma_cfg_rx.slave_id = 13;         /* DREQ channel */
>                 host->dma_cfg_rx.direction = DMA_DEV_TO_MEM;
>                 host->dma_cfg_rx.src_addr = host->phys_addr + SDDATA;
>                 host->dma_cfg_rx.dst_addr = 0;
> --
> 2.30.2
>
diff mbox series

Patch

diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index 8c2361e66277..463b707d9e99 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -1293,14 +1293,12 @@  static int bcm2835_add_host(struct bcm2835_host *host)
 
 		host->dma_cfg_tx.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 		host->dma_cfg_tx.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
-		host->dma_cfg_tx.slave_id = 13;		/* DREQ channel */
 		host->dma_cfg_tx.direction = DMA_MEM_TO_DEV;
 		host->dma_cfg_tx.src_addr = 0;
 		host->dma_cfg_tx.dst_addr = host->phys_addr + SDDATA;
 
 		host->dma_cfg_rx.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
 		host->dma_cfg_rx.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
-		host->dma_cfg_rx.slave_id = 13;		/* DREQ channel */
 		host->dma_cfg_rx.direction = DMA_DEV_TO_MEM;
 		host->dma_cfg_rx.src_addr = host->phys_addr + SDDATA;
 		host->dma_cfg_rx.dst_addr = 0;