diff options
Diffstat (limited to 'arch/arm/mach-tegra')
-rw-r--r-- | arch/arm/mach-tegra/dma.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-tegra/include/mach/dma.h | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c index e945ae28ee77..f4ef5eb317bd 100644 --- a/arch/arm/mach-tegra/dma.c +++ b/arch/arm/mach-tegra/dma.c | |||
@@ -223,7 +223,7 @@ int tegra_dma_dequeue_req(struct tegra_dma_channel *ch, | |||
223 | * - Change the source selector to invalid to stop the DMA from | 223 | * - Change the source selector to invalid to stop the DMA from |
224 | * FIFO to memory. | 224 | * FIFO to memory. |
225 | * - Read the status register to know the number of pending | 225 | * - Read the status register to know the number of pending |
226 | * bytes to be transfered. | 226 | * bytes to be transferred. |
227 | * - Finally stop or program the DMA to the next buffer in the | 227 | * - Finally stop or program the DMA to the next buffer in the |
228 | * list. | 228 | * list. |
229 | */ | 229 | */ |
@@ -244,7 +244,7 @@ int tegra_dma_dequeue_req(struct tegra_dma_channel *ch, | |||
244 | if (status & STA_BUSY) | 244 | if (status & STA_BUSY) |
245 | req->bytes_transferred -= to_transfer; | 245 | req->bytes_transferred -= to_transfer; |
246 | 246 | ||
247 | /* In continous transfer mode, DMA only tracks the count of the | 247 | /* In continuous transfer mode, DMA only tracks the count of the |
248 | * half DMA buffer. So, if the DMA already finished half the DMA | 248 | * half DMA buffer. So, if the DMA already finished half the DMA |
249 | * then add the half buffer to the completed count. | 249 | * then add the half buffer to the completed count. |
250 | * | 250 | * |
diff --git a/arch/arm/mach-tegra/include/mach/dma.h b/arch/arm/mach-tegra/include/mach/dma.h index 39011bd9a925..d0132e8031a1 100644 --- a/arch/arm/mach-tegra/include/mach/dma.h +++ b/arch/arm/mach-tegra/include/mach/dma.h | |||
@@ -92,11 +92,11 @@ struct tegra_dma_req { | |||
92 | /* This is a called from the DMA ISR context when the DMA is still in | 92 | /* This is a called from the DMA ISR context when the DMA is still in |
93 | * progress and is actively filling same buffer. | 93 | * progress and is actively filling same buffer. |
94 | * | 94 | * |
95 | * In case of continous mode receive, this threshold is 1/2 the buffer | 95 | * In case of continuous mode receive, this threshold is 1/2 the buffer |
96 | * size. In other cases, this will not even be called as there is no | 96 | * size. In other cases, this will not even be called as there is no |
97 | * hardware support for it. | 97 | * hardware support for it. |
98 | * | 98 | * |
99 | * In the case of continous mode receive, if there is next req already | 99 | * In the case of continuous mode receive, if there is next req already |
100 | * queued, DMA programs the HW to use that req when this req is | 100 | * queued, DMA programs the HW to use that req when this req is |
101 | * completed. If there is no "next req" queued, then DMA ISR doesn't do | 101 | * completed. If there is no "next req" queued, then DMA ISR doesn't do |
102 | * anything before calling this callback. | 102 | * anything before calling this callback. |