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| author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 10:17:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 10:17:15 +0200 |
| commit | 28638ea4f8adb63f837e4436560ab16ab0388587 (patch) | |
| tree | 2dab7a03d7696697c82ba62a03700d3a2f3639b1 /arch/blackfin/kernel/bfin_dma_5xx.c | |
| parent | f781b03c4b1c713ac000877c8bbc31fc4164a29b (diff) | |
| parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) | |
Merge branch 'linus' into x86/nmitip-x86-nmi-2008-06-16_09.20_Mon
Conflicts:
arch/x86/kernel/nmi_32.c
Diffstat (limited to 'arch/blackfin/kernel/bfin_dma_5xx.c')
| -rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index fd5448d6107c..d54f19085f37 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -90,6 +90,17 @@ int request_dma(unsigned int channel, char *device_id) { pr_debug("request_dma() : BEGIN \n"); + +#if defined(CONFIG_BF561) && ANOMALY_05000182 + if (channel >= CH_IMEM_STREAM0_DEST && channel <= CH_IMEM_STREAM1_DEST) { + if (get_cclk() > 500000000) { + printk(KERN_WARNING + "Request IMDMA failed due to ANOMALY 05000182\n"); + return -EFAULT; + } + } +#endif + mutex_lock(&(dma_ch[channel].dmalock)); if ((dma_ch[channel].chan_status == DMA_CHANNEL_REQUESTED) |