diff options
Diffstat (limited to 'drivers/dma/dmatest.c')
| -rw-r--r-- | drivers/dma/dmatest.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 0425984db118..b175229a4b01 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -60,9 +60,9 @@ MODULE_PARM_DESC(pq_sources, "Number of p+q source buffers (default: 3)"); static int timeout = 3000; -module_param(timeout, uint, S_IRUGO | S_IWUSR); +module_param(timeout, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(timeout, "Transfer Timeout in msec (default: 3000), " - "Pass 0xFFFFFFFF (4294967295) for maximum timeout"); + "Pass -1 for infinite timeout"); static bool noverify; module_param(noverify, bool, S_IRUGO | S_IWUSR); @@ -72,10 +72,6 @@ static bool norandom; module_param(norandom, bool, 0644); MODULE_PARM_DESC(norandom, "Disable random offset setup (default: random)"); -static bool polled; -module_param(polled, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(polled, "Use polling for completion instead of interrupts"); - static bool verbose; module_param(verbose, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(verbose, "Enable \"success\" result messages (default: off)"); @@ -88,6 +84,10 @@ static unsigned int transfer_size; module_param(transfer_size, uint, 0644); MODULE_PARM_DESC(transfer_size, "Optional custom transfer size in bytes (default: not used (0))"); +static bool polled; +module_param(polled, bool, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(polled, "Use polling for completion instead of interrupts"); + /** * struct dmatest_params - test parameters. * @buf_size: size of the memcpy test buffer @@ -98,7 +98,12 @@ MODULE_PARM_DESC(transfer_size, "Optional custom transfer size in bytes (default * @iterations: iterations before stopping test * @xor_sources: number of xor source buffers * @pq_sources: number of p+q source buffers - * @timeout: transfer timeout in msec, 0 - 0xFFFFFFFF (4294967295) + * @timeout: transfer timeout in msec, -1 for infinite timeout + * @noverify: disable data verification + * @norandom: disable random offset setup + * @alignment: custom data address alignment taken as 2^alignment + * @transfer_size: custom transfer size in bytes + * @polled: use polling for completion instead of interrupts */ struct dmatest_params { unsigned int buf_size; @@ -109,7 +114,7 @@ struct dmatest_params { unsigned int iterations; unsigned int xor_sources; unsigned int pq_sources; - unsigned int timeout; + int timeout; bool noverify; bool norandom; int alignment; @@ -120,7 +125,10 @@ struct dmatest_params { /** * struct dmatest_info - test information. * @params: test parameters + * @channels: channels under test + * @nr_channels: number of channels under test * @lock: access protection to the fields of this structure + * @did_init: module has been initialized completely */ static struct dmatest_info { /* Test parameters */ |