diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2022-04-11 15:11:16 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-04-20 17:17:33 +0530 |
| commit | 23084545dbb0ac0d1f0acad915bdeed7bd5f48cd (patch) | |
| tree | d8890a26513f1f8927a97b3a07cc2800caf8d0f6 /drivers/dma/idxd | |
| parent | 4e5a4eb20393b851590b4465f1197a8041c2076b (diff) | |
| download | linux-23084545dbb0ac0d1f0acad915bdeed7bd5f48cd.tar.bz2 | |
dmaengine: idxd: set max_xfer and max_batch for RO device
Load the max_xfer_size and max_batch_size values from the values read from
registers to the shadow variables. This will allow the read-only device to
display the correct values for the sysfs attributes.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164971507673.2201761.11244446608988838897.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/idxd')
| -rw-r--r-- | drivers/dma/idxd/device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c index 2903f8bb30e1..4f5c2367ec93 100644 --- a/drivers/dma/idxd/device.c +++ b/drivers/dma/idxd/device.c @@ -1031,6 +1031,9 @@ static int idxd_wq_load_config(struct idxd_wq *wq) wq->priority = wq->wqcfg->priority; + wq->max_xfer_bytes = 1ULL << wq->wqcfg->max_xfer_shift; + wq->max_batch_size = 1ULL << wq->wqcfg->max_batch_shift; + for (i = 0; i < WQCFG_STRIDES(idxd); i++) { wqcfg_offset = WQCFG_OFFSET(idxd, wq->id, i); dev_dbg(dev, "WQ[%d][%d][%#x]: %#x\n", wq->id, i, wqcfg_offset, wq->wqcfg->bits[i]); |