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| author | Vinod Koul <vinod.koul@intel.com> | 2018-04-10 08:54:59 +0530 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2018-04-10 08:54:59 +0530 |
| commit | 36ebe2b98e969d80aa0eab2a37404871173b41db (patch) | |
| tree | 6829087024cf7f47b416e190ce4b2f6a2aac79b8 /drivers/dma | |
| parent | c5637476bbf9bb86c7f0413b8f4822a73d8d2d07 (diff) | |
| parent | 2e67a0875b11b800f63d19e06d0254bbd8892188 (diff) | |
| download | linux-0-day-36ebe2b98e969d80aa0eab2a37404871173b41db.tar.gz linux-0-day-36ebe2b98e969d80aa0eab2a37404871173b41db.tar.xz | |
Merge branch 'topic/dmatest' into for-linus
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/dmatest.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 80cc2be6483cb..b9339524d5bd3 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -74,7 +74,11 @@ MODULE_PARM_DESC(timeout, "Transfer Timeout in msec (default: 3000), " static bool noverify; module_param(noverify, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(noverify, "Disable random data setup and verification"); +MODULE_PARM_DESC(noverify, "Disable data verification (default: verify)"); + +static bool norandom; +module_param(norandom, bool, 0644); +MODULE_PARM_DESC(norandom, "Disable random offset setup (default: random)"); static bool verbose; module_param(verbose, bool, S_IRUGO | S_IWUSR); @@ -103,6 +107,7 @@ struct dmatest_params { unsigned int pq_sources; int timeout; bool noverify; + bool norandom; }; /** @@ -575,7 +580,7 @@ static int dmatest_func(void *data) break; } - if (params->noverify) + if (params->norandom) len = params->buf_size; else len = dmatest_random() % params->buf_size + 1; @@ -586,17 +591,19 @@ static int dmatest_func(void *data) total_len += len; - if (params->noverify) { + if (params->norandom) { src_off = 0; dst_off = 0; } else { - start = ktime_get(); src_off = dmatest_random() % (params->buf_size - len + 1); dst_off = dmatest_random() % (params->buf_size - len + 1); src_off = (src_off >> align) << align; dst_off = (dst_off >> align) << align; + } + if (!params->noverify) { + start = ktime_get(); dmatest_init_srcs(thread->srcs, src_off, len, params->buf_size, is_memset); dmatest_init_dsts(thread->dsts, dst_off, len, @@ -975,6 +982,7 @@ static void run_threaded_test(struct dmatest_info *info) params->pq_sources = pq_sources; params->timeout = timeout; params->noverify = noverify; + params->norandom = norandom; request_channels(info, DMA_MEMCPY); request_channels(info, DMA_MEMSET); |