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Commit graph kernel_a52xq/tools/spi/spidev_test.c
Message SHA1
spi: spidev_test: add option to continuously transfer data 
Add option to send+recv <size> bytes with <iter> iterations
and show the transfer rate every 5 seconds.
Example:
rate: tx 4235.2kbps, rx 4235.2kbps
total: tx 4882.8KB, rx 4882.8KB

Signed-off-by: Frode Isaksen <fisaksen@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Frode Isaksen   authored and   Mark Brown   commited 2017-03-21 18:44:40 +00:00
9006a7b322
spi: spidev_test: Fix input file check when transferring file 
Check the input file fd instead of spidev fd.
The spidev fd is supposed to be OK otherwise the transfer_file() function
would not be called at all.

Signed-off-by: Michal Vokáč <vokac.m@gmail.com>
Reviewed-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Michal Vokáč   authored and   Mark Brown   commited 2016-11-04 09:56:09 -06:00
e634b76caf
Merge remote-tracking branches 'spi/topic/rspi', 'spi/topic/sc18is602', 'spi/topic/sh-msiof', 'spi/topic/spidev-test' and 'spi/topic/st-ssc4' into spi-next
Mark Brown   commited 2016-09-30 09:14:18 -07:00
3424ff29a0
spi: spidev_test: Fix buffer overflow in unescape() 
Sometimes spidev_test crashes with:

    *** Error in `spidev_test': munmap_chunk(): invalid pointer: 0x00022020 ***
    Aborted

or just

    Segmentation fault

This is due to transfer_escaped_string() miscalculating the required
size of the buffer by one byte, causing a buffer overflow in unescape().

Drop the bogus "+ 1" in the strlen() parameter to fix this.

Note that unescape() never copies the zero-terminator of the source
string, so it writes at most as many bytes as the length of the source
string.

Fixes: 30061915be (spi: spidev_test: Added input buffer from the terminal)
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: <stable@vger.kernel.org> # v4.5+

Geert Uytterhoeven   authored and   Mark Brown   commited 2016-09-14 16:22:43 +01:00
0278b34bf1
spi: spidev_test: fix build with musl libc 
spidev.h uses _IOC_SIZEBITS directly. musl libc does not provide this macro
unless linux/ioctl.h is included explicitly. Fixes build failures like:

In file included from .../host/usr/arm-buildroot-linux-musleabihf/sysroot/usr/include/sys/ioctl.h:7:0,
                 from .../build/spidev_test-v3.15/spidev_test.c:20:
.../build/spidev_test-v3.15/spidev_test.c: In function ‘transfer’:
.../build/spidev_test-v3.15/spidev_test.c:75:18: error: ‘_IOC_SIZEBITS’ undeclared (first use in this function)
  ret = ioctl(fd, SPI_IOC_MESSAGE(1), &tr);
                  ^

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Mark Brown <broonie@kernel.org>

Baruch Siach   authored and   Mark Brown   commited 2016-08-15 14:23:55 +01:00
8736f8022e
spi: spidev_test: Fix typo in error message 
Fix the spelling of 'output' in the error message.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Fabio Estevam   authored and   Mark Brown   commited 2015-12-08 17:58:56 +00:00
edd3899c8c
spi: spidev_test: fix whitespace 
Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Joshua Clayton   authored and   Mark Brown   commited 2015-11-23 14:54:01 +00:00
b2cfc90428
spi: spidev_test: check error 
Check the result of sscanf to verify a result was found.
report and error and abort if pattern was not found.

Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Joshua Clayton   authored and   Mark Brown   commited 2015-11-23 14:54:01 +00:00
a20874f78b
spi: spidev_test: output to a file 
For testing of larger data transfers, output unmodified data
directly to a file.

Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Joshua Clayton   authored and   Mark Brown   commited 2015-11-23 14:54:01 +00:00
983b27886a
spi: spidev_test: accept input from a file 
Add input file support to facilitate testing larger data.

Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Joshua Clayton   authored and   Mark Brown   commited 2015-11-23 14:54:01 +00:00
7af475a5b5
spi: spidev_test: transfer_escaped_string function 
Move the input_tx code into its own small function.
This cleans up some variables from main() that are used only here.
While we are at it, check malloc calls instead of assuming they succeed.

Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Joshua Clayton   authored and   Mark Brown   commited 2015-11-23 14:54:01 +00:00
5c437a401b
spi: Move spi code from Documentation to tools 
Jon Corbet requested this code moved with the last changeset,
https://lkml.org/lkml/2015/3/1/144,
but the patch was not applied because it missed the Makefile.
Moved spidev_test, spidev_fdx and their Makefile infrastructure.

Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Joshua Clayton   authored and   Mark Brown   commited 2015-11-23 14:54:01 +00:00
5eca4d843f
Renamed from Documentation/spi/spidev_test.c (Browse further)