`labpc_suggest_transfer_size()` has a parameter of type `struct comedi_cmd` passed by value. Change it to pass by pointer reference.
Signed-off-by: Ian Abbott <[email protected]> --- drivers/staging/comedi/drivers/ni_labpc.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c index 5b7a2a9..63c5111 100644 --- a/drivers/staging/comedi/drivers/ni_labpc.c +++ b/drivers/staging/comedi/drivers/ni_labpc.c @@ -247,7 +247,7 @@ static int labpc_eeprom_write_insn(struct comedi_device *dev, static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd, enum scan_mode scan_mode); #ifdef CONFIG_ISA_DMA_API -static unsigned int labpc_suggest_transfer_size(struct comedi_cmd cmd); +static unsigned int labpc_suggest_transfer_size(const struct comedi_cmd *cmd); #endif static int labpc_dio_mem_callback(int dir, int port, int data, unsigned long arg); @@ -1321,7 +1321,7 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) set_dma_addr(devpriv->dma_chan, virt_to_bus(devpriv->dma_buffer)); /* set appropriate size of transfer */ - devpriv->dma_transfer_size = labpc_suggest_transfer_size(*cmd); + devpriv->dma_transfer_size = labpc_suggest_transfer_size(cmd); if (cmd->stop_src == TRIG_COUNT && devpriv->count * sample_size < devpriv->dma_transfer_size) { devpriv->dma_transfer_size = @@ -1774,13 +1774,13 @@ static int labpc_eeprom_write_insn(struct comedi_device *dev, #ifdef CONFIG_ISA_DMA_API /* utility function that suggests a dma transfer size in bytes */ -static unsigned int labpc_suggest_transfer_size(struct comedi_cmd cmd) +static unsigned int labpc_suggest_transfer_size(const struct comedi_cmd *cmd) { unsigned int size; unsigned int freq; - if (cmd.convert_src == TRIG_TIMER) - freq = 1000000000 / cmd.convert_arg; + if (cmd->convert_src == TRIG_TIMER) + freq = 1000000000 / cmd->convert_arg; /* return some default value */ else freq = 0xffffffff; -- 1.7.12 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
