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Date: Sat, 23 Mar 2019 21:45:23 -0700 From: Sowjanya Komatineni <skomatineni@...dia.com> To: <adrian.hunter@...el.com>, <ulf.hansson@...aro.org>, <robh+dt@...nel.org>, <mark.rutland@....com>, <riteshh@...eaurora.org> CC: <skomatineni@...dia.com>, <thierry.reding@...il.com>, <jonathanh@...dia.com>, <anrao@...dia.com>, <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org> Subject: [PATCH V4 06/10] 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: Jon Hunter <jonathanh@...dia.com> Reviewed-by: Ritesh Harjani <riteshh@...eaurora.org> Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com> --- [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) -- 2.7.4
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