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author | Hong Xu <hong.xu@atmel.com> | 2011-03-30 10:26:41 +0200 |
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committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2011-04-01 15:44:32 +0200 |
commit | cb457a4ddd4eeac9c81792a1e6a5d59b1b44abe1 (patch) | |
tree | 804630a6dd6919fb0fb5d7835f4bfdb480c81c6b | |
parent | mtd: atmel_nand: trivial: change DMA usage information trace (diff) | |
download | linux-cb457a4ddd4eeac9c81792a1e6a5d59b1b44abe1.tar.xz linux-cb457a4ddd4eeac9c81792a1e6a5d59b1b44abe1.zip |
mtd: atmel_nand: fix support for CPUs that do not support DMA access
use_dma was always "1" even if the CPU does not support DMA
Tested on AT91SAM9261EK by Jean-Christophe PLAGNIOL-VILLARD
Reported-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Hong Xu <hong.xu@atmel.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
-rw-r--r-- | drivers/mtd/nand/atmel_nand.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c index 7e88a801669c..f254fa636afc 100644 --- a/drivers/mtd/nand/atmel_nand.c +++ b/drivers/mtd/nand/atmel_nand.c @@ -599,7 +599,10 @@ static int __init atmel_nand_probe(struct platform_device *pdev) nand_chip->options |= NAND_USE_FLASH_BBT; } - if (cpu_has_dma() && use_dma) { + if (!cpu_has_dma()) + use_dma = 0; + + if (use_dma) { dma_cap_mask_t mask; dma_cap_zero(mask); |