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| author |   Martyn Welch <martyn.welch@gefanuc.com> | 2009-08-11 13:50:49 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2009-09-15 12:02:10 -0700 |
| commit | 75155020c8dc3aa38f8cabc95f17ccd8389c37b6 (patch) | |
| tree | 4ad0910fa1cef89b3cf79fe6daadc0f8351fc516 /drivers/staging/vme | |
| parent | Staging: vme: fix {master,slave}_get check bug (diff) | |
| download | linux-dev-75155020c8dc3aa38f8cabc95f17ccd8389c37b6.tar.xz linux-dev-75155020c8dc3aa38f8cabc95f17ccd8389c37b6.zip | |
Staging: vme: Add syncronize interrupts before removing callback
As identified by Jiri, there is no syncronisation before callback is removed.
Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/vme')
| -rw-r--r-- | drivers/staging/vme/bridges/vme_tsi148.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c index cdc291989391..a4929ad3f08a 100644 --- a/drivers/staging/vme/bridges/vme_tsi148.c +++ b/drivers/staging/vme/bridges/vme_tsi148.c @@ -480,6 +480,7 @@ int tsi148_request_irq(int level, int statid, void tsi148_free_irq(int level, int statid) { u32 tmp; + struct pci_dev *pdev; /* Get semaphore */ down(&(vme_irq)); @@ -495,6 +496,10 @@ void tsi148_free_irq(int level, int statid) tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO); tmp &= ~TSI148_LCSR_INTEO_IRQEO[level - 1]; iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO); + + pdev = container_of(tsi148_bridge->parent, struct pci_dev, dev); + + synchronize_irq(pdev->irq); } tsi148_bridge->irq[level - 1].callback[statid].func = NULL; |