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Various drivers' irq handlers: kill dead code, needless casts

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- Eliminate casts to/from void*

- Eliminate checks for conditions that never occur.  These typically
  fall into two classes:

	1) Checking for 'dev_id == NULL', then it is never called with
	NULL as an argument.

	2) Checking for invalid irq number, when the only caller (the
	system) guarantees the irq handler is called with the proper
	'irq' number argument.

Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Jeff Garzik 2006-10-06 15:00:58 -04:00
commit c7bec5aba5
35 changed files with 59 additions and 98 deletions
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2
drivers/spi/pxa2xx_spi.c
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@ -669,7 +669,7 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data)
static irqreturn_t ssp_int(int irq, void *dev_id)
{
struct driver_data *drv_data = (struct driver_data *)dev_id;
struct driver_data *drv_data = dev_id;
void *reg = drv_data->ioaddr;
if (!drv_data->cur_msg) {