diff options
| author | Ian Abbott <abbotti@mev.co.uk> | 2012-09-19 19:37:42 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-21 09:29:54 -0700 |
| commit | 62fea8c8f1bf5ca33ba55b3f421d9598a68297ee (patch) | |
| tree | a7352d3c723ba8b3dbf65755a0adb8eb503ecdc2 /drivers/staging/comedi | |
| parent | eb4332eff5aa071b19f89f45ae7f6393af59ba62 (diff) | |
staging: comedi: ni_labpc: don't pass struct comedi_cmd by value
`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 <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_labpc.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c index 200099e4c220..d534e63d886e 100644 --- a/drivers/staging/comedi/drivers/ni_labpc.c +++ b/drivers/staging/comedi/drivers/ni_labpc.c @@ -246,7 +246,7 @@ 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); @@ -1318,7 +1318,7 @@ 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 = @@ -1771,13 +1771,13 @@ 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; |