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authorGuido Kiener <guido@kiener-muenchen.de>2018-09-12 10:51:07 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-20 13:04:02 +0200
commite013477bc20763e28d95d74e5ca97411194984ec (patch)
tree361e18404143db913a3e5cc2ab9f8e8b42cf3612 /Documentation/ioctl/ioctl-number.txt
parent63c97bbad5ae5ef411b9a6f2dccdd11e23f29f89 (diff)
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usb: usbtmc: Add ioctl USBTMC_IOCTL_API_VERSION
Add ioctl USBTMC_IOCTL_API_VERSION to get current API version of usbtmc driver. This is to allow an instrument library to determine whether the driver API is compatible with the implementation. The API may change in future versions. Therefore the macro USBTMC_API_VERSION should be incremented when changing tmc.h with new flags, ioctls or when changing a significant behavior of the driver. Signed-off-by: Guido Kiener <guido.kiener@rohde-schwarz.com> Reviewed-by: Steve Bayless <steve_bayless@keysight.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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