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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-10 11:03:04 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-10 11:03:04 -0700 |
commit | c90e7945e3a39c50c07e63a5892e65ecfde374a9 (patch) | |
tree | 280390dc674ab02922b3d212018daecf4d607206 /drivers/dma/dmatest.c | |
parent | 77d22a4388d33a76180cad69a4309d6636d30855 (diff) | |
parent | be4cf718cd9929e867ed1ff06d23fb4d08cc2d36 (diff) | |
download | linux-c90e7945e3a39c50c07e63a5892e65ecfde374a9.tar.bz2 |
Merge tag 'dmaengine-5.8-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"A fairly small dmaengine update which includes mostly driver updates
(dmatest, dw-edma, ioat, mmp-tdma and k3-udma) along with Renesas
binding update to json-schema"
* tag 'dmaengine-5.8-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (39 commits)
dmaengine: imx-sdma: initialize all script addresses
dmaengine: ti: k3-udma: Use proper return code in alloc_chan_resources
dmaengine: ti: k3-udma: Remove udma_chan.in_ring_cnt
dmaengine: ti: k3-udma: Add missing dma_sync call for rx flush descriptor
dmaengine: at_xdmac: Replace zero-length array with flexible-array
dmaengine: at_hdmac: Replace zero-length array with flexible-array
dmaengine: qcom: bam_dma: Replace zero-length array with flexible-array
dmaengine: ti: k3-udma: Use PTR_ERR_OR_ZERO() to simplify code
dmaengine: moxart-dma: Drop pointless static qualifier in moxart_probe()
dmaengine: sf-pdma: Simplify the error handling path in 'sf_pdma_probe()'
dmaengine: qcom_hidma: use true,false for bool variable
dmaengine: dw-edma: support local dma device transfer semantics
dmaengine: Fix doc strings to satisfy validation script
dmaengine: Include dmaengine.h into dmaengine.c
dmaengine: dmatest: Describe members of struct dmatest_info
dmaengine: dmatest: Describe members of struct dmatest_params
dmaengine: dmatest: Allow negative timeout value to specify infinite wait
Revert "dmaengine: dmatest: timeout value of -1 should specify infinite wait"
dmaengine: stm32-dma: direct mode support through device tree
dt-bindings: dma: add direct mode support through device tree in stm32-dma
...
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 */ |