Add a routine to invoke hpi command after invoking host
controller abort.
Signed-off-by: Venkatraman S <svenkatr@xxxxxx>
---
drivers/mmc/core/core.c | 15 +++++++++++++++
include/linux/mmc/core.h | 2 ++
2 files changed, 17 insertions(+)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 1963305..7230a26 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -467,6 +467,21 @@ out:
}
EXPORT_SYMBOL(mmc_interrupt_hpi);
+int mmc_preempt_foreground_request(struct mmc_card *card,
+ struct mmc_request *req)
+{
+ int ret;
+
+ ret = mmc_abort_req(card->host, req);
+ if (ret)
+ pr_err("%s: Host Abort failed %d\n",
+ mmc_hostname(card->host), ret);
+ else
+ ret = mmc_interrupt_hpi(card);
+ return ret;
+}
+EXPORT_SYMBOL(mmc_preempt_foreground_request);
+
/**
* mmc_wait_for_cmd - start a command and wait for completion
* @host: MMC host to start command
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index d86144e..e2d55c6 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -144,6 +144,8 @@ extern struct mmc_async_req *mmc_start_req(struct mmc_host *,
extern int mmc_interrupt_hpi(struct mmc_card *);
extern void mmc_wait_for_req(struct mmc_host *, struct mmc_request *);
extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
+extern int mmc_preempt_foreground_request(struct mmc_card *card,
+ struct mmc_request *req);
extern int mmc_app_cmd(struct mmc_host *, struct mmc_card *);
extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
struct mmc_command *, int);
--
1.7.10.rc2
--
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