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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 /include/linux/dma
parent203184571388a988283543f0fd7da1a0da7c3f91 (diff)
downloadlinux-e51b3048116a6e10b96bd5298cbcb209b6d729cd.tar.bz2
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 'include/linux/dma')
-rw-r--r--include/linux/dma/edma.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/dma/edma.h b/include/linux/dma/edma.h
index 6f64e90d5c38..df9ba3ecb437 100644
--- a/include/linux/dma/edma.h
+++ b/include/linux/dma/edma.h
@@ -39,6 +39,7 @@ enum dw_edma_map_format {
* @id: instance ID
* @nr_irqs: total number of DMA IRQs
* @ops DMA channel to IRQ number mapping
+ * @reg_base DMA register base address
* @wr_ch_cnt DMA write channel number
* @rd_ch_cnt DMA read channel number
* @rg_region DMA register region
@@ -55,7 +56,7 @@ struct dw_edma_chip {
int nr_irqs;
const struct dw_edma_core_ops *ops;
- struct dw_edma_region rg_region;
+ void __iomem *reg_base;
u16 wr_ch_cnt;
u16 rd_ch_cnt;