This patch adds get_dcmd_cmd_timing interface to cqhci_host_ops to
allow hosts to specify CMD_TIMING bit of the DCMD task descriptor
command parameter.
This helps host driver to control whether the command can be issued
during data transfer or only during idle time.
Tested-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx>
---
drivers/mmc/host/cqhci.c | 2 ++
drivers/mmc/host/cqhci.h | 2 ++
2 files changed, 4 insertions(+)
diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c
index a8af682a9182..9a02f9c82aeb 100644
--- a/drivers/mmc/host/cqhci.c
+++ b/drivers/mmc/host/cqhci.c
@@ -528,6 +528,8 @@ static void cqhci_prep_dcmd_desc(struct mmc_host *mmc,
}
}
+ if (cq_host->ops->get_dcmd_cmd_timing)
+ timing = cq_host->ops->get_dcmd_cmd_timing(mmc, mrq);
task_desc = (__le64 __force *)get_desc(cq_host, cq_host->dcmd_slot);
memset(task_desc, 0, cq_host->task_desc_len);
data |= (CQHCI_VALID(1) |
diff --git a/drivers/mmc/host/cqhci.h b/drivers/mmc/host/cqhci.h
index 9e68286a07b4..981158da3326 100644
--- a/drivers/mmc/host/cqhci.h
+++ b/drivers/mmc/host/cqhci.h
@@ -210,6 +210,8 @@ 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);
+ u8 (*get_dcmd_cmd_timing)(struct mmc_host *mmc,
+ struct mmc_request *mrq);
};
static inline void cqhci_writel(struct cqhci_host *host, u32 val, int reg)
--
2.7.4
