Commit c46d089a authored by Sowjanya Komatineni's avatar Sowjanya Komatineni Committed by Ulf Hansson
Browse files

mmc: cqhci: allow hosts to update dcmd cmd desc 



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: default avatarJon Hunter <jonathanh@nvidia.com>
Reviewed-by: default avatarRitesh Harjani <riteshh@codeaurora.org>
Signed-off-by: default avatarSowjanya Komatineni <skomatineni@nvidia.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent ad64a790

drivers/mmc/host/cqhci.c

+2 −0
Original line number Diff line number Diff line
@@ -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",

drivers/mmc/host/cqhci.h

+3 −0
Original line number Diff line number Diff line
@@ -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)

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