mirror/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

staging: comedi: amplc_pci230: make intr_running a bitfield

Browse Source 
Change the `intr_running` member of `struct pci230_private` into a
single-bit bitfield of type `bool` to save a bit of space.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ian Abbott
2014-09-01 12:03:52 +01:00
committed by Greg Kroah-Hartman
parent 2cd5da05b0
commit abea4ff485
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/staging/comedi/drivers/amplc_pci230.c
View File

@@ -507,8 +507,8 @@ struct pci230_private {
unsigned short adcg; /* ADCG register value */
unsigned char int_en; /* Interrupt enable bits */
unsigned char ier; /* Copy of interrupt enable register */
unsigned char intr_running; /* Flag set in interrupt routine */
unsigned char res_owner[NUM_RESOURCES]; /* Shared resource owners */
bool intr_running:1; /* Flag set in interrupt routine */
bool ai_bipolar:1; /* Flag AI range is bipolar */
bool ao_bipolar:1; /* Flag AO range is bipolar */
};
@@ -2451,7 +2451,7 @@ static irqreturn_t pci230_interrupt(int irq, void *d)
*/
devpriv->ier = devpriv->int_en & ~status_int;
outb(devpriv->ier, dev->iobase + PCI230_INT_SCE);
devpriv->intr_running = 1;
devpriv->intr_running = true;
devpriv->intr_cpuid = THISCPU;
spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
@@ -2487,7 +2487,7 @@ static irqreturn_t pci230_interrupt(int irq, void *d)
devpriv->ier = devpriv->int_en;
outb(devpriv->ier, dev->iobase + PCI230_INT_SCE);
}
devpriv->intr_running = 0;
devpriv->intr_running = false;
spin_unlock_irqrestore(&devpriv->isr_spinlock, irqflags);
return IRQ_HANDLED;