From: Sowjanya Komatineni <skomatineni@nvidia.com>
To: adrian.hunter@intel.com, ulf.hansson@linaro.org,
robh+dt@kernel.org, mark.rutland@arm.com, riteshh@codeaurora.org
Cc: skomatineni@nvidia.com, thierry.reding@gmail.com,
jonathanh@nvidia.com, anrao@nvidia.com,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mmc@vger.kernel.org, devicetree@vger.kernel.org
Subject: [PATCH V4 06/10] mmc: cqhci: allow hosts to update dcmd cmd desc
Date: Sat, 23 Mar 2019 21:45:23 -0700 [thread overview]
Message-ID: <1553402727-23130-6-git-send-email-skomatineni@nvidia.com> (raw)
In-Reply-To: <1553402727-23130-1-git-send-email-skomatineni@nvidia.com>
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>
---
[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
next prev parent reply other threads:[~2019-03-24 4:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-24 4:45 [PATCH V4 01/10] mmc: tegra: fix ddr signaling for non-ddr modes Sowjanya Komatineni
2019-03-24 4:45 ` [PATCH V4 02/10] mmc: sdhci: allow host to specify maximum tuning loops Sowjanya Komatineni
2019-03-25 10:25 ` Adrian Hunter
2019-03-24 4:45 ` [PATCH V4 03/10] mmc: tegra: update hw tuning process Sowjanya Komatineni
2019-03-25 10:38 ` Adrian Hunter
2019-03-24 4:45 ` [PATCH V4 04/10] dt-bindings: mmc: tegra: document Tegra194 compatible string Sowjanya Komatineni
2019-03-24 4:45 ` [PATCH V4 05/10] arm64: tegra: fix default tap and trim values Sowjanya Komatineni
2019-03-24 4:45 ` Sowjanya Komatineni [this message]
2019-03-25 10:39 ` [PATCH V4 06/10] mmc: cqhci: allow hosts to update dcmd cmd desc Adrian Hunter
2019-03-24 4:45 ` [PATCH V4 07/10] mmc: tegra: add Tegra186 WAR for CQE Sowjanya Komatineni
2019-03-25 10:41 ` Adrian Hunter
2019-03-24 4:45 ` [PATCH V4 08/10] mmc: cqhci: add CQHCI_SSC1 register CBC field mask Sowjanya Komatineni
2019-03-24 4:45 ` [PATCH V4 09/10] mmc: tegra: fix CQE enable and resume sequence Sowjanya Komatineni
2019-03-24 4:45 ` [PATCH V4 10/10] arm64: tegra: enable command queue for tegra186 sdmmc4 Sowjanya Komatineni
2019-03-25 13:27 ` [PATCH V4 01/10] mmc: tegra: fix ddr signaling for non-ddr modes Ulf Hansson
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