diff options
| author | Asutosh Das <asutoshd@codeaurora.org> | 2015-04-23 16:00:45 +0530 |
|---|---|---|
| committer | Subhash Jadavani <subhashj@codeaurora.org> | 2016-05-31 15:26:28 -0700 |
| commit | 89ada7fc6d8bc5cc9b198f84517003d5886a1c30 (patch) | |
| tree | fb800177e2c21b2c612410e245a461751b5c3161 /include | |
| parent | fc4b531dfdca023ac59389e7acf24f21aa6074ed (diff) | |
mmc: core: add flush request support to command queue
Adds flush request support to command-queue. This uses DCMD
feature of the controller for sending commands in
command-queue mode. DCMD is a direct command feature that uses
a pre-configured slot for sending commands other than Class 11.
Change-Id: Iebf6b74173dc91b0dc7230d1e87c65983d15148e
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
[subhashj@codeaurora.org: fixed trivial merge conflicts]
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmc/core.h | 4 | ||||
| -rw-r--r-- | include/linux/mmc/host.h | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 8139a58e6d8e..809398c612bf 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -120,6 +120,7 @@ extern void mmc_cmdq_post_req(struct mmc_host *host, struct mmc_request *mrq, int err); extern int mmc_cmdq_start_req(struct mmc_host *host, struct mmc_cmdq_req *cmdq_req); +extern int mmc_cmdq_prepare_flush(struct mmc_command *cmd); extern int mmc_stop_bkops(struct mmc_card *); extern int mmc_read_bkops_status(struct mmc_card *); @@ -133,6 +134,9 @@ extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *, struct mmc_command *, int); extern void mmc_start_bkops(struct mmc_card *card, bool from_exception); extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int); +extern int __mmc_switch_cmdq_mode(struct mmc_command *cmd, u8 set, u8 index, + u8 value, unsigned int timeout_ms, + bool use_busy_signal, bool ignore_timeout); extern int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error); extern int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd); diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 12b8d5505985..8968fa6d1eb1 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -235,6 +235,7 @@ struct mmc_cmdq_context_info { unsigned long active_reqs; /* in-flight requests */ unsigned long curr_state; #define CMDQ_STATE_ERR 0 +#define CMDQ_STATE_DCMD_ACTIVE 1 /* no free tag available */ unsigned long req_starved; }; |