On 24/03/19 6:45 AM, Sowjanya Komatineni wrote:
> This patch adds update_dcmd_desc interface to cqhci_host_ops to
> allow hosts to update any of the DCMD task descriptor attributes
> and parameters.
>
> Tested-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> Reviewed-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxxx>
> Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
> ---
> [V4]: Minor fix of missing declaration of mmc_request
>
> drivers/mmc/host/cqhci.c | 2 ++
> drivers/mmc/host/cqhci.h | 3 +++
> 2 files changed, 5 insertions(+)
>
> diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c
> index a8af682a9182..d59cb0a51964 100644
> --- a/drivers/mmc/host/cqhci.c
> +++ b/drivers/mmc/host/cqhci.c
> @@ -537,6 +537,8 @@ static void cqhci_prep_dcmd_desc(struct mmc_host *mmc,
> CQHCI_ACT(0x5) |
> CQHCI_CMD_INDEX(mrq->cmd->opcode) |
> CQHCI_CMD_TIMING(timing) | CQHCI_RESP_TYPE(resp_type));
> + if (cq_host->ops->update_dcmd_desc)
> + cq_host->ops->update_dcmd_desc(mmc, mrq, &data);
> *task_desc |= data;
> desc = (u8 *)task_desc;
> pr_debug("%s: cqhci: dcmd: cmd: %d timing: %d resp: %d\n",
> diff --git a/drivers/mmc/host/cqhci.h b/drivers/mmc/host/cqhci.h
> index 9e68286a07b4..928ec491eecf 100644
> --- a/drivers/mmc/host/cqhci.h
> +++ b/drivers/mmc/host/cqhci.h
> @@ -147,6 +147,7 @@
>
> struct cqhci_host_ops;
> struct mmc_host;
> +struct mmc_request;
> struct cqhci_slot;
>
> struct cqhci_host {
> @@ -210,6 +211,8 @@ struct cqhci_host_ops {
> u32 (*read_l)(struct cqhci_host *host, int reg);
> void (*enable)(struct mmc_host *mmc);
> void (*disable)(struct mmc_host *mmc, bool recovery);
> + void (*update_dcmd_desc)(struct mmc_host *mmc, struct mmc_request *mrq,
> + u64 *data);
> };
>
> static inline void cqhci_writel(struct cqhci_host *host, u32 val, int reg)
>
