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Diffstat (limited to 'Documentation/hid/intel-ish-hid.rst')
| -rw-r--r-- | Documentation/hid/intel-ish-hid.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/hid/intel-ish-hid.rst b/Documentation/hid/intel-ish-hid.rst index 7a851252267a..91b5c52b3708 100644 --- a/Documentation/hid/intel-ish-hid.rst +++ b/Documentation/hid/intel-ish-hid.rst @@ -199,7 +199,7 @@ the sender that the memory region for that message may be reused. DMA initialization is started with host sending DMA_ALLOC_NOTIFY bus message (that includes RX buffer) and FW responds with DMA_ALLOC_NOTIFY_ACK. Additionally to DMA address communication, this sequence checks capabilities: -if thw host doesn't support DMA, then it won't send DMA allocation, so FW can't +if the host doesn't support DMA, then it won't send DMA allocation, so FW can't send DMA; if FW doesn't support DMA then it won't respond with DMA_ALLOC_NOTIFY_ACK, in which case host will not use DMA transfers. Here ISH acts as busmaster DMA controller. Hence when host sends DMA_XFER, |