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Simple PCIe FMC carrier SPEC - Software
Commit e8e3e843 authored by Alessandro Rubini's avatar Alessandro Rubini Committed by Adam Wujek
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wr_nic: use_count only if WR_IS_SWITCH 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent 0e172c86
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Showing with 13 additions and 13 deletions
kernel/wr_nic/device.c
View file @ e8e3e843
......@@ -32,11 +32,11 @@ static int wrn_remove(struct platform_device *pdev)
struct wrn_dev *wrn = drvdata->wrn;
int i;
#if 0
spin_lock(&wrn->lock);
--wrn->use_count; /* Hmmm... looks like overkill... */
spin_unlock(&wrn->lock);
#endif
if (WR_IS_SWITCH) {
spin_lock(&wrn->lock);
--wrn->use_count; /* Hmmm... looks like overkill... */
spin_unlock(&wrn->lock);
}
/* First of all, stop any transmission */
writel(0, &wrn->regs->CR);
......@@ -114,16 +114,16 @@ static int wrn_probe(struct platform_device *pdev)
/* No need to lock_irq: we only protect count and continue unlocked */
#if 0
spin_lock(&wrn->lock);
if (++wrn->use_count != 1) {
--wrn->use_count;
if (WR_IS_SWITCH) {
spin_lock(&wrn->lock);
if (++wrn->use_count != 1) {
--wrn->use_count;
spin_unlock(&wrn->lock);
return -EBUSY;
}
spin_unlock(&wrn->lock);
printk("use count %i\n", wrn->use_count);
return -EBUSY;
}
spin_unlock(&wrn->lock);
#endif
/* Map our resource list and instantiate the shortcut pointers */
if ( (err = __wrn_map_resources(pdev)) )
goto out;
......
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