| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 094/210] staging: comedi: ni_mio_common: fix the ni_write[blw]() functions | Date | Sun, 10 Apr 2016 11:35:15 -0700 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: H Hartley Sweeten <hsweeten@visionengravers.com>
commit bd3a3cd6c27b117fb9a43a38c8072c95332beecc upstream.
Memory mapped io (dev->mmio) should not also be writing to the ioport (dev->iobase) registers. Add the missing 'else' to these functions.
Fixes: 0953ee4acca0 ("staging: comedi: ni_mio_common: checkpatch.pl cleanup (else not useful)") Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/staging/comedi/drivers/ni_mio_common.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
--- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -246,24 +246,24 @@ static void ni_writel(struct comedi_devi { if (dev->mmio) writel(data, dev->mmio + reg); - - outl(data, dev->iobase + reg); + else + outl(data, dev->iobase + reg); } static void ni_writew(struct comedi_device *dev, uint16_t data, int reg) { if (dev->mmio) writew(data, dev->mmio + reg); - - outw(data, dev->iobase + reg); + else + outw(data, dev->iobase + reg); } static void ni_writeb(struct comedi_device *dev, uint8_t data, int reg) { if (dev->mmio) writeb(data, dev->mmio + reg); - - outb(data, dev->iobase + reg); + else + outb(data, dev->iobase + reg); } static uint32_t ni_readl(struct comedi_device *dev, int reg)
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