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| author | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-08-15 16:47:18 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-08-15 16:47:18 +0000 |
| commit | 43f69915d9ff15ee437f9e8869d7ae33780943b3 (patch) | |
| tree | f66e9a80c394859e72e0886575ec0094dae528b4 /ArmPkg/Drivers/PL390Gic/PL390GicDxe.c | |
| parent | 6b73be803b7a43035b673c9a8f7cd19420a1c331 (diff) | |
| download | edk2-43f69915d9ff15ee437f9e8869d7ae33780943b3.zip edk2-43f69915d9ff15ee437f9e8869d7ae33780943b3.tar.gz edk2-43f69915d9ff15ee437f9e8869d7ae33780943b3.tar.bz2 | |
ArmPkg/PL390Gic: Fix RegisterInterruptSource() to be able to unregister an interrupt handler
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12135 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPkg/Drivers/PL390Gic/PL390GicDxe.c')
| -rw-r--r-- | ArmPkg/Drivers/PL390Gic/PL390GicDxe.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c b/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c index 8bf8187..02853a2 100644 --- a/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c +++ b/ArmPkg/Drivers/PL390Gic/PL390GicDxe.c @@ -80,7 +80,7 @@ RegisterInterruptSource ( if (Source > PcdGet32(PcdGicNumInterrupts)) { ASSERT(FALSE); return EFI_UNSUPPORTED; - } + } if ((Handler == NULL) && (gRegisteredInterruptHandlers[Source] == NULL)) { return EFI_INVALID_PARAMETER; @@ -91,7 +91,13 @@ RegisterInterruptSource ( } gRegisteredInterruptHandlers[Source] = Handler; - return This->EnableInterruptSource(This, Source); + + // If the interrupt handler is unregistered then disable the interrupt + if (NULL == Handler){ + return This->DisableInterruptSource (This, Source); + } else { + return This->EnableInterruptSource (This, Source); + } } /** |