diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2020-10-30 08:51:56 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-11-09 17:17:46 +0530 |
| commit | 2f8417a967d571bf8fb81cba95d7acf508ed334f (patch) | |
| tree | dbb350d8b2ddb03b529209d5a8eba842106e4f99 /drivers/dma/idxd | |
| parent | 5a71270197f39ff3e526cf130bc5d6e84db8f2d7 (diff) | |
| download | linux-2f8417a967d571bf8fb81cba95d7acf508ed334f.tar.bz2 | |
dmaengine: idxd: define table offset multiplier
Convert table offset multiplier magic number to a define.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/160407311690.839435.6941865731867828234.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/init.c | 17 | ||||
| -rw-r--r-- | drivers/dma/idxd/registers.h | 2 |
2 files changed, 9 insertions, 10 deletions
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index c24106efc16e..45b0eac640c3 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -214,17 +214,14 @@ static void idxd_read_table_offsets(struct idxd_device *idxd) struct device *dev = &idxd->pdev->dev; offsets.bits[0] = ioread64(idxd->reg_base + IDXD_TABLE_OFFSET); - offsets.bits[1] = ioread64(idxd->reg_base + IDXD_TABLE_OFFSET - + sizeof(u64)); - idxd->grpcfg_offset = offsets.grpcfg * 0x100; + offsets.bits[1] = ioread64(idxd->reg_base + IDXD_TABLE_OFFSET + sizeof(u64)); + idxd->grpcfg_offset = offsets.grpcfg * IDXD_TABLE_MULT; dev_dbg(dev, "IDXD Group Config Offset: %#x\n", idxd->grpcfg_offset); - idxd->wqcfg_offset = offsets.wqcfg * 0x100; - dev_dbg(dev, "IDXD Work Queue Config Offset: %#x\n", - idxd->wqcfg_offset); - idxd->msix_perm_offset = offsets.msix_perm * 0x100; - dev_dbg(dev, "IDXD MSIX Permission Offset: %#x\n", - idxd->msix_perm_offset); - idxd->perfmon_offset = offsets.perfmon * 0x100; + idxd->wqcfg_offset = offsets.wqcfg * IDXD_TABLE_MULT; + dev_dbg(dev, "IDXD Work Queue Config Offset: %#x\n", idxd->wqcfg_offset); + idxd->msix_perm_offset = offsets.msix_perm * IDXD_TABLE_MULT; + dev_dbg(dev, "IDXD MSIX Permission Offset: %#x\n", idxd->msix_perm_offset); + idxd->perfmon_offset = offsets.perfmon * IDXD_TABLE_MULT; dev_dbg(dev, "IDXD Perfmon Offset: %#x\n", idxd->perfmon_offset); } diff --git a/drivers/dma/idxd/registers.h b/drivers/dma/idxd/registers.h index 6f2f736097e5..d29a58ee2651 100644 --- a/drivers/dma/idxd/registers.h +++ b/drivers/dma/idxd/registers.h @@ -102,6 +102,8 @@ union offsets_reg { u64 bits[2]; } __packed; +#define IDXD_TABLE_MULT 0x100 + #define IDXD_GENCFG_OFFSET 0x80 union gencfg_reg { struct { |