On Thu, Jul 25, 2013 at 04:10:07PM -0700, H Hartley Sweeten wrote: > This buffer is used to cache the values that are written to the > analog output channels. Currently it only caches the single writes > to the channels using the (*insn_write) callback. The async command > writes are not cached. The buffer is also being kzalloc'ed during > the attach of the driver to a size much larger that required. > > Rename the CamelCase buffer and change it to an array in the private > data of the correct size to cache the analog output channel values. > > Modify the analog output urb callback so it updates the cached values > with those used for the asynchronous command to allow readback after > the command completes. > > The sanity check of the index to dac_commands[] (i.e. the 'chan' being > written) is not needed. The chanlist_len will always be less than the > number of channels. > > Also, fix the dev_err() message so it uses the proper device pointer. > > Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> > Cc: Ian Abbott <abbotti@xxxxxxxxx> > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > --- > drivers/staging/comedi/drivers/usbdux.c | 49 +++++++++++++++------------------ > 1 file changed, 22 insertions(+), 27 deletions(-) I signed off on this patch already? Really? confused, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel