summaryrefslogtreecommitdiff
path: root/drivers/dma
diff options
context:
space:
mode:
authorFrank Li <Frank.Li@nxp.com>2022-05-24 10:21:54 -0500
committerBjorn Helgaas <bhelgaas@google.com>2022-06-23 14:56:34 -0500
commite51b3048116a6e10b96bd5298cbcb209b6d729cd (patch)
tree398d4cb60000748250086217805fc1fa035277fb /drivers/dma
parent203184571388a988283543f0fd7da1a0da7c3f91 (diff)
dmaengine: dw-edma: Change rg_region to reg_base in struct dw_edma_chip
struct dw_edma_region rg_region included virtual address, physical address and size information. But only the virtual address is used by EDMA driver. Change it to void __iomem *reg_base to clean up code. Link: https://lore.kernel.org/r/20220524152159.2370739-4-Frank.Li@nxp.com Tested-by: Serge Semin <fancer.lancer@gmail.com> Tested-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Serge Semin <fancer.lancer@gmail.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Acked-By: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/dw-edma/dw-edma-pcie.c6
-rw-r--r--drivers/dma/dw-edma/dw-edma-v0-core.c2
-rw-r--r--drivers/dma/dw-edma/dw-edma-v0-debugfs.c2
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c
index 965513698f3d..9553fb75091d 100644
--- a/drivers/dma/dw-edma/dw-edma-pcie.c
+++ b/drivers/dma/dw-edma/dw-edma-pcie.c
@@ -216,8 +216,8 @@ static int dw_edma_pcie_probe(struct pci_dev *pdev,
chip->wr_ch_cnt = vsec_data.wr_ch_cnt;
chip->rd_ch_cnt = vsec_data.rd_ch_cnt;
- chip->rg_region.vaddr = pcim_iomap_table(pdev)[vsec_data.rg.bar];
- if (!chip->rg_region.vaddr)
+ chip->reg_base = pcim_iomap_table(pdev)[vsec_data.rg.bar];
+ if (!chip->reg_base)
return -ENOMEM;
for (i = 0; i < chip->wr_ch_cnt; i++) {
@@ -282,7 +282,7 @@ static int dw_edma_pcie_probe(struct pci_dev *pdev,
pci_dbg(pdev, "Registers:\tBAR=%u, off=0x%.8lx, sz=0x%zx bytes, addr(v=%p)\n",
vsec_data.rg.bar, vsec_data.rg.off, vsec_data.rg.sz,
- chip->rg_region.vaddr);
+ chip->reg_base);
for (i = 0; i < chip->wr_ch_cnt; i++) {
diff --git a/drivers/dma/dw-edma/dw-edma-v0-core.c b/drivers/dma/dw-edma/dw-edma-v0-core.c
index 999e03896186..403ade40c1b1 100644
--- a/drivers/dma/dw-edma/dw-edma-v0-core.c
+++ b/drivers/dma/dw-edma/dw-edma-v0-core.c
@@ -25,7 +25,7 @@ enum dw_edma_control {
static inline struct dw_edma_v0_regs __iomem *__dw_regs(struct dw_edma *dw)
{
- return dw->chip->rg_region.vaddr;
+ return dw->chip->reg_base;
}
#define SET_32(dw, name, value) \
diff --git a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c
index b765adb96999..5226c9014703 100644
--- a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c
+++ b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c
@@ -288,7 +288,7 @@ void dw_edma_v0_debugfs_on(struct dw_edma *_dw)
if (!dw)
return;
- regs = dw->chip->rg_region.vaddr;
+ regs = dw->chip->reg_base;
if (!regs)
return;