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>

1 files changed, 3 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,