As indicated by checkpatch.pl, "WARNING: Use of volatile is usually wrong: ...". The variables in the private data that are marked volatile don't need to be. Remove the volatile. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/das16.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c index d86ed2c..95261a6 100644 --- a/drivers/staging/comedi/drivers/das16.c +++ b/drivers/staging/comedi/drivers/das16.c @@ -351,8 +351,8 @@ static inline int timer_period(void) struct das16_private_struct { unsigned int clockbase; /* master clock speed in ns */ - volatile unsigned int control_state; /* dma, interrupt and trigger control bits */ - volatile unsigned long adc_byte_count; /* number of bytes remaining */ + unsigned int control_state; /* dma, interrupt and trigger control bits */ + unsigned long adc_byte_count; /* number of bytes remaining */ /* divisor dividing master clock to get conversion frequency */ unsigned int divisor1; /* divisor dividing master clock to get conversion frequency */ @@ -361,7 +361,7 @@ struct das16_private_struct { uint16_t *dma_buffer[2]; dma_addr_t dma_buffer_addr[2]; unsigned int current_buffer; - volatile unsigned int dma_transfer_size; /* target number of bytes to transfer per dma shot */ + unsigned int dma_transfer_size; /* target number of bytes to transfer per dma shot */ /** * user-defined analog input and output ranges * defined from config options @@ -370,7 +370,7 @@ struct das16_private_struct { struct comedi_lrange *user_ao_range_table; struct timer_list timer; /* for timed interrupt */ - volatile short timer_running; + short timer_running; unsigned long extra_iobase; }; -- 1.8.3.2 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel