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Subject[PATCH v3 2/5] staging: comedi: addi_apci_1564: remove unused static variables
Date
The global variables ui_InterruptStatus_1564 and ui_InterruptData are both
set but never used. Just remove them from the driver.

Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
---
drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
index 19de400..95038f2 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
@@ -90,8 +90,7 @@
#define APCI1564_TCW_WARN_TIMEBASE_REG(x) (0x1c + ((x) * 0x20))

/* Global variables */
-static unsigned int ui_InterruptStatus_1564;
-static unsigned int ui_InterruptData, ui_Type;
+static unsigned int ui_Type;

/*
* Configures the digital input Subdevice
@@ -160,7 +159,6 @@ static int apci1564_do_config(struct comedi_device *dev,
ul_Command = ul_Command & 0xFFFFFFFD;

outl(ul_Command, devpriv->i_IobaseAmcc + APCI1564_DO_INT_CTRL_REG);
- ui_InterruptData = inl(devpriv->i_IobaseAmcc + APCI1564_DO_INT_CTRL_REG);
devpriv->tsk_Current = current;
return insn->n;
}
@@ -428,9 +426,6 @@ static void apci1564_interrupt(int irq, void *d)
if (ui_DI == 1) {
ui_DI = inl(devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG);
outl(0x0, devpriv->i_IobaseAmcc + APCI1564_DI_IRQ_REG);
- ui_InterruptStatus_1564 =
- inl(devpriv->i_IobaseAmcc + APCI1564_DI_INT_STATUS_REG);
- ui_InterruptStatus_1564 = ui_InterruptStatus_1564 & 0X000FFFF0;
/* send signal to the sample */
send_sig(SIGIO, devpriv->tsk_Current, 0);
/* enable the interrupt */
--
1.9.3


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