This driver adds support for NXP SC18IS602/603 I2C to SPI bus bridge.
Signed-off-by: Guenter Roeck li...@roeck-us.net
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There is one checkatch warning:
WARNING: please write a paragraph that describes the config symbol fully
#101: FILE: drivers/spi/Kconfig:328:
+config
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The call to spi_master_put() is needed to free device memory. It must be called
after spi_alloc_master, and must only be called after the device memory is no
longer used.
Signed-off-by: Guenter Roeck li...@roeck-us.net
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drivers/spi/spi-mpc52xx.c |5 +++--
1 file changed, 3 insertions(+),
The call to spi_unregister_master() in the device remove function frees device
memory, and with it any device local data. However, device local data is still
accessed after the call to spi_unregister_master().
Acquire a reference to the SPI master device and release it after cleanup is
complete
The call sequence spi_alloc_master/spi_register_master/spi_unregister_master is
complete; it reduces the device reference count to zero, which results in
device memory being freed. An extra call to spi_master_put is unnecessary
and results in an access to free memory.
At the same time, since the
The call to spi_unregister_master() in the device remove function frees device
memory, and with it any device local data. However, device local data is still
accessed after the call to spi_unregister_master().
Acquire a reference to the SPI master device and release it after cleanup is
complete
On Sat, Aug 18, 2012 at 4:25 AM, Viresh Kumar viresh.ku...@linaro.org wrote:
spi_register_master() calls of_register_spi_devices() to register spi devices.
This routine expects master-dev.of_node to be a valid pointer. This is
responsibility of master driver to fill this field, which wasn't
