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Commit 27570497 authored by Jiri Pirko's avatar Jiri Pirko Committed by Linus Torvalds
Browse files

spi: fix spi_write_then_read() comment 



Buffer needs not be dma-safe, not rx data length.

Signed-off-by: default avatarJiri Pirko <jpirko@redhat.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 50e0a7bd

drivers/spi/spi.c

+2 −2
Original line number Diff line number Diff line
@@ -700,8 +700,8 @@ static u8 *buf; 
 * @spi: device with which data will be exchanged

 * @txbuf: data to be written (need not be dma-safe)

 * @n_tx: size of txbuf, in bytes

 * @rxbuf: buffer into which data will be read

 * @n_rx: size of rxbuf, in bytes (need not be dma-safe)

 * @rxbuf: buffer into which data will be read (need not be dma-safe)

 * @n_rx: size of rxbuf, in bytes

 * Context: can sleep

 *

 * This performs a half duplex MicroWire style transaction with the