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authorMikko Perttunen <mperttunen@nvidia.com>2017-07-24 19:29:16 +0300
committerThierry Reding <treding@nvidia.com>2017-10-19 16:27:55 +0200
commit2e1e09ed423781d209c1fea773b1c3e614550ea5 (patch)
treea17cbe2853cf5219aec821de7627906fbac9e786
parent370d010f0ef09db7ab157a6b5d6d9a737b148f2a (diff)
downloadlinux-2e1e09ed423781d209c1fea773b1c3e614550ea5.tar.bz2
firmware: tegra: Expose tegra_bpmp_mrq_return()
Expose and export the tegra_bpmp_mrq_return() function for use by drivers outside the core BPMP driver. This function is used to reply to messages originating from the BPMP, which is required in the thermal driver. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
-rw-r--r--drivers/firmware/tegra/bpmp.c5
-rw-r--r--include/soc/tegra/bpmp.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c
index 33683b5a0d48..aa4bbbd7bdb4 100644
--- a/drivers/firmware/tegra/bpmp.c
+++ b/drivers/firmware/tegra/bpmp.c
@@ -397,8 +397,8 @@ static struct tegra_bpmp_mrq *tegra_bpmp_find_mrq(struct tegra_bpmp *bpmp,
return NULL;
}
-static void tegra_bpmp_mrq_return(struct tegra_bpmp_channel *channel,
- int code, const void *data, size_t size)
+void tegra_bpmp_mrq_return(struct tegra_bpmp_channel *channel, int code,
+ const void *data, size_t size)
{
unsigned long flags = channel->ib->flags;
struct tegra_bpmp *bpmp = channel->bpmp;
@@ -436,6 +436,7 @@ static void tegra_bpmp_mrq_return(struct tegra_bpmp_channel *channel,
mbox_client_txdone(bpmp->mbox.channel, 0);
}
}
+EXPORT_SYMBOL_GPL(tegra_bpmp_mrq_return);
static void tegra_bpmp_handle_mrq(struct tegra_bpmp *bpmp,
unsigned int mrq,
diff --git a/include/soc/tegra/bpmp.h b/include/soc/tegra/bpmp.h
index 57519f4c126a..b382ed01af09 100644
--- a/include/soc/tegra/bpmp.h
+++ b/include/soc/tegra/bpmp.h
@@ -118,6 +118,8 @@ int tegra_bpmp_transfer_atomic(struct tegra_bpmp *bpmp,
struct tegra_bpmp_message *msg);
int tegra_bpmp_transfer(struct tegra_bpmp *bpmp,
struct tegra_bpmp_message *msg);
+void tegra_bpmp_mrq_return(struct tegra_bpmp_channel *channel, int code,
+ const void *data, size_t size);
int tegra_bpmp_request_mrq(struct tegra_bpmp *bpmp, unsigned int mrq,
tegra_bpmp_mrq_handler_t handler, void *data);