diff options
| author | Chaitanya Bandi <bandik@nvidia.com> | 2012-04-16 16:08:35 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-04-18 11:38:44 -0700 |
| commit | 25eb47aef9013f06b3560719966e682e3064907b (patch) | |
| tree | 9d775b5b8655b3f30a60bcd83da9df0274b53257 | |
| parent | ff8057097a6bc0a7c748adf86480a7d1ccdbd381 (diff) | |
ARM: tegra: dma: Add API to get channel id
Added tegra_dma_get_channel_id API to determine the id
of a given channel.
Bug 969125
Change-Id: Ibad67d65c87dc267a4e6942557c02acbd0f6e938
Signed-off-by: Chaitanya Bandi <bandik@nvidia.com>
Reviewed-on: http://git-master/r/96714
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Sumit Bhattacharya <sumitb@nvidia.com>
| -rw-r--r-- | arch/arm/mach-tegra/dma.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/dma.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c index 66f9c24a946c..1c415083e8c4 100644 --- a/arch/arm/mach-tegra/dma.c +++ b/arch/arm/mach-tegra/dma.c @@ -678,6 +678,12 @@ void tegra_dma_free_channel(struct tegra_dma_channel *ch) } EXPORT_SYMBOL(tegra_dma_free_channel); +int tegra_dma_get_channel_id(struct tegra_dma_channel *ch) +{ + return ch->id; +} +EXPORT_SYMBOL(tegra_dma_get_channel_id); + static bool tegra_dma_update_hw_partial(struct tegra_dma_channel *ch, struct tegra_dma_req *req) { diff --git a/arch/arm/mach-tegra/include/mach/dma.h b/arch/arm/mach-tegra/include/mach/dma.h index c6617e95c1af..a0423e950690 100644 --- a/arch/arm/mach-tegra/include/mach/dma.h +++ b/arch/arm/mach-tegra/include/mach/dma.h @@ -190,6 +190,7 @@ struct tegra_dma_channel *tegra_dma_allocate_channel(int mode, const char namefmt[], ...); void tegra_dma_free_channel(struct tegra_dma_channel *ch); +int tegra_dma_get_channel_id(struct tegra_dma_channel *ch); /* * tegra_dma_cancel: Stop the dma and remove all request from pending request * queue for transfer. |