mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-02 10:59:18 -04:00
Code Issues Packages Projects Releases Wiki Activity

staging: comedi: rtd520: remove RtdDma0Source macro

Browse Source 
This macro uses the 'devpriv' macro which relies on a local variable
having a specific name. Plus it's just a wrapper around a simple
'writel'. Remove the macro.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten
2012-07-10 17:11:29 -07:00
committed by Greg Kroah-Hartman
parent e96eaf898d
commit 70fdb9739d
1 changed files with 2 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/staging/comedi/drivers/rtd520.c
View File

@@ -406,10 +406,6 @@ struct rtdPrivate {
/* Macros to access registers */
/* Set source for DMA 0 (write only, shadow?) */
#define RtdDma0Source(dev, n) \
writel((n) & 0xf, devpriv->las0+LAS0_DMA0_SRC)
/* Set source for DMA 1 (write only, shadow?) */
#define RtdDma1Source(dev, n) \
writel((n) & 0xf, devpriv->las0+LAS0_DMA1_SRC)
@@ -1464,7 +1460,7 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
RtdDma0Mode(dev, DMA_MODE_BITS);
RtdDma0Next(dev, /* point to first block */
devpriv->dma0Chain[DMA_CHAIN_COUNT - 1].next);
RtdDma0Source(dev, DMAS_ADFIFO_HALF_FULL); /* set DMA trigger source */
writel(DMAS_ADFIFO_HALF_FULL, devpriv->las0 + LAS0_DMA0_SRC);
RtdPlxInterruptWrite(dev, /* enable interrupt */
RtdPlxInterruptRead(dev) | ICS_DMA0_E);
@@ -1961,7 +1957,7 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
RtdDma0Mode(dev, DMA_MODE_BITS);
/* set DMA trigger source */
RtdDma0Source(dev, DMAS_ADFIFO_HALF_FULL);
writel(DMAS_ADFIFO_HALF_FULL, devpriv->las0 + LAS0_DMA0_SRC);
} else {
printk(KERN_INFO "( no IRQ->no DMA )");
}