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firmware: tegra: Expose tegra_bpmp_mrq_return()

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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>
This commit is contained in:
Mikko Perttunen 2017-07-24 19:29:16 +03:00 committed by Thierry Reding
parent 370d010f0e
commit 2e1e09ed42
2 changed files with 5 additions and 2 deletions
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5
drivers/firmware/tegra/bpmp.c
View File

@ -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,

2
include/soc/tegra/bpmp.h
View File

@ -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);