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| author |   Sandeep Paulraj <s-paulraj@ti.com> | 2009-09-16 18:09:59 -0400 |
|---|---|---|
| committer |   Kevin Hilman <khilman@deeprootsystems.com> | 2009-11-25 10:21:24 -0800 |
| commit | 51c99e0498c637bf43fb3be786d121d8dceef337 (patch) | |
| tree | 3cdaeeb6bf68cc78b8f6bb4a9e15a8cdc2ba1793 /arch/arm/mach-davinci/dma.c | |
| parent | davinci: Correct the GPIO number for LCD panel power (diff) | |
| download | linux-dev-51c99e0498c637bf43fb3be786d121d8dceef337.tar.xz linux-dev-51c99e0498c637bf43fb3be786d121d8dceef337.zip | |
DaVinci: EDMA: Fix bug in edma_free_cont_slots API
In the edma_free_cont_slots API, the variable slot was being modified
and then used in the for loop.
This results in incorrect behaviour when the API is used.
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm/mach-davinci/dma.c')
| -rw-r--r-- | arch/arm/mach-davinci/dma.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c index f2e57d272958..89ce3e1a7ab1 100644 --- a/arch/arm/mach-davinci/dma.c +++ b/arch/arm/mach-davinci/dma.c @@ -813,7 +813,7 @@ EXPORT_SYMBOL(edma_alloc_cont_slots); */ int edma_free_cont_slots(unsigned slot, int count) { - unsigned ctlr; + unsigned ctlr, slot_to_free; int i; ctlr = EDMA_CTLR(slot); @@ -826,11 +826,11 @@ int edma_free_cont_slots(unsigned slot, int count) for (i = slot; i < slot + count; ++i) { ctlr = EDMA_CTLR(i); - slot = EDMA_CHAN_SLOT(i); + slot_to_free = EDMA_CHAN_SLOT(i); - memcpy_toio(edmacc_regs_base[ctlr] + PARM_OFFSET(slot), + memcpy_toio(edmacc_regs_base[ctlr] + PARM_OFFSET(slot_to_free), &dummy_paramset, PARM_SIZE); - clear_bit(slot, edma_info[ctlr]->edma_inuse); + clear_bit(slot_to_free, edma_info[ctlr]->edma_inuse); } return 0; |