spi_read man page on Scientific

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SPI_READ(9)		Serial Peripheral Interface (S		   SPI_READ(9)

NAME
       spi_read - SPI synchronous read

SYNOPSIS
       int spi_read(struct spi_device * spi, u8 * buf, size_t len);

ARGUMENTS
       spi
	   device from which data will be read

       buf
	   data buffer

       len
	   data buffer size

CONTEXT
       can sleep

DESCRIPTION
       This reads the buffer and returns zero or a negative error code.
       Callable only from contexts that can sleep.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013			   SPI_READ(9)
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