diff options
author | Ian Abbott <abbotti@mev.co.uk> | 2017-04-04 13:29:54 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-08 14:03:17 +0300 |
commit | c5665dfb902f84002e14d30d97b47886fc9fe161 (patch) | |
tree | 68f7469cc8b79fc30113504eae2fc5427db3d4f3 | |
parent | 112d55e5855423652aa334a13a34fccb70780069 (diff) | |
download | linux-c5665dfb902f84002e14d30d97b47886fc9fe161.tar.xz |
staging: comedi: amplc_pci230: convert CLK_CONFIG() macro to function
Convert the `CLK_CONFIG(chan, src)` macro to a static function
`pci230_clk_config(chan, src)`. This is consistent with an earlier
change to convert `GAT_CONFIG(chan, src)` to a static function.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/staging/comedi/drivers/amplc_pci230.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c index 9c360307f699..48c7890c3007 100644 --- a/drivers/staging/comedi/drivers/amplc_pci230.c +++ b/drivers/staging/comedi/drivers/amplc_pci230.c @@ -376,8 +376,11 @@ #define CLK_1KHZ 5 /* internal 1 kHz clock */ #define CLK_OUTNM1 6 /* output of channel-1 modulo total */ #define CLK_EXT 7 /* external clock */ -/* Macro to construct clock input configuration register value. */ -#define CLK_CONFIG(chan, src) ((((chan) & 3) << 3) | ((src) & 7)) + +static unsigned int pci230_clk_config(unsigned int chan, unsigned int src) +{ + return ((chan & 3) << 3) | (src & 7); +} /* * Counter/timer gate input configuration sources. @@ -697,7 +700,7 @@ static void pci230_ct_setup_ns_mode(struct comedi_device *dev, unsigned int ct, /* Determine clock source and count. */ clk_src = pci230_choose_clk_count(ns, &count, flags); /* Program clock source. */ - outb(CLK_CONFIG(ct, clk_src), dev->iobase + PCI230_ZCLK_SCE); + outb(pci230_clk_config(ct, clk_src), dev->iobase + PCI230_ZCLK_SCE); /* Set initial count. */ if (count >= 65536) count = 0; |