diff options
Diffstat (limited to 'Documentation/spi/spi-summary')
-rw-r--r-- | Documentation/spi/spi-summary | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/spi/spi-summary b/Documentation/spi/spi-summary index deab51ddc33e..4884cb33845d 100644 --- a/Documentation/spi/spi-summary +++ b/Documentation/spi/spi-summary | |||
@@ -538,7 +538,7 @@ SPI MESSAGE QUEUE | |||
538 | The bulk of the driver will be managing the I/O queue fed by transfer(). | 538 | The bulk of the driver will be managing the I/O queue fed by transfer(). |
539 | 539 | ||
540 | That queue could be purely conceptual. For example, a driver used only | 540 | That queue could be purely conceptual. For example, a driver used only |
541 | for low-frequency sensor acess might be fine using synchronous PIO. | 541 | for low-frequency sensor access might be fine using synchronous PIO. |
542 | 542 | ||
543 | But the queue will probably be very real, using message->queue, PIO, | 543 | But the queue will probably be very real, using message->queue, PIO, |
544 | often DMA (especially if the root filesystem is in SPI flash), and | 544 | often DMA (especially if the root filesystem is in SPI flash), and |