diff options
| author | Laxman Dewangan <ldewangan@nvidia.com> | 2012-01-27 18:50:37 +0530 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-02-03 05:01:43 -0800 |
| commit | 14892e5b37a1517314cb136042d8c23429abbfac (patch) | |
| tree | 7d0708c0c3120d3f3ab2c273e60c1fc3358f6557 /arch/arm | |
| parent | 79797e8be8296c4f4ff1a97dcd0dfc5e52498933 (diff) | |
arm: tegra: dma: read transfer count without stopping dma.
Dma user must call the function tegra_dma_get_transfer_count()
for knowing transferred count without stopping dma.
Change-Id: I5e0060fd8163b285496442268548a90bdd0e294c
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/77800
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-tegra/dma.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/dma.h | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c index b2744b15f693..d03d624be5de 100644 --- a/arch/arm/mach-tegra/dma.c +++ b/arch/arm/mach-tegra/dma.c @@ -350,7 +350,7 @@ bool tegra_dma_is_req_inflight(struct tegra_dma_channel *ch, } EXPORT_SYMBOL(tegra_dma_is_req_inflight); int tegra_dma_get_transfer_count(struct tegra_dma_channel *ch, - struct tegra_dma_req *req, bool is_stop_dma) + struct tegra_dma_req *req) { unsigned int status; unsigned long irq_flags; @@ -373,7 +373,7 @@ int tegra_dma_get_transfer_count(struct tegra_dma_channel *ch, return req->bytes_transferred; } - status = get_channel_status(ch, req, is_stop_dma); + status = get_channel_status(ch, req, false); bytes_transferred = dma_active_count(ch, req, status); spin_unlock_irqrestore(&ch->lock, irq_flags); return bytes_transferred; diff --git a/arch/arm/mach-tegra/include/mach/dma.h b/arch/arm/mach-tegra/include/mach/dma.h index 57770ecd34e1..ea9c877c4f7c 100644 --- a/arch/arm/mach-tegra/include/mach/dma.h +++ b/arch/arm/mach-tegra/include/mach/dma.h @@ -158,7 +158,7 @@ void tegra_dma_flush(struct tegra_dma_channel *ch); bool tegra_dma_is_req_inflight(struct tegra_dma_channel *ch, struct tegra_dma_req *req); int tegra_dma_get_transfer_count(struct tegra_dma_channel *ch, - struct tegra_dma_req *req, bool is_stop_dma); + struct tegra_dma_req *req); bool tegra_dma_is_empty(struct tegra_dma_channel *ch); bool tegra_dma_is_stopped(struct tegra_dma_channel *ch); |