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authorAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
committerAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
commitada47b5fe13d89735805b566185f4885f5a3f750 (patch)
tree644b88f8a71896307d71438e9b3af49126ffb22b /Documentation/spi
parent43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff)
parent3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff)
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
Diffstat (limited to 'Documentation/spi')
-rw-r--r--Documentation/spi/spi-summary2
-rw-r--r--Documentation/spi/spidev_test.c2
2 files changed, 2 insertions, 2 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
538The bulk of the driver will be managing the I/O queue fed by transfer(). 538The bulk of the driver will be managing the I/O queue fed by transfer().
539 539
540That queue could be purely conceptual. For example, a driver used only 540That queue could be purely conceptual. For example, a driver used only
541for low-frequency sensor acess might be fine using synchronous PIO. 541for low-frequency sensor access might be fine using synchronous PIO.
542 542
543But the queue will probably be very real, using message->queue, PIO, 543But the queue will probably be very real, using message->queue, PIO,
544often DMA (especially if the root filesystem is in SPI flash), and 544often DMA (especially if the root filesystem is in SPI flash), and
diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c
index 10abd3773e49..16feda901469 100644
--- a/Documentation/spi/spidev_test.c
+++ b/Documentation/spi/spidev_test.c
@@ -58,7 +58,7 @@ static void transfer(int fd)
58 }; 58 };
59 59
60 ret = ioctl(fd, SPI_IOC_MESSAGE(1), &tr); 60 ret = ioctl(fd, SPI_IOC_MESSAGE(1), &tr);
61 if (ret == 1) 61 if (ret < 1)
62 pabort("can't send spi message"); 62 pabort("can't send spi message");
63 63
64 for (ret = 0; ret < ARRAY_SIZE(tx); ret++) { 64 for (ret = 0; ret < ARRAY_SIZE(tx); ret++) {