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mmc: cqhci: allow hosts to update dcmd cmd desc

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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@nvidia.com>
Reviewed-by: Ritesh Harjani <riteshh@codeaurora.org>
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Sowjanya Komatineni 2019-03-23 21:45:23 -07:00 committed by Ulf Hansson
parent ad64a7908c
commit c46d089aa7
2 changed files with 5 additions and 0 deletions
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2
drivers/mmc/host/cqhci.c
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@ -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",

3
drivers/mmc/host/cqhci.h
View file

@ -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)