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authorRobin Gong <yibin.gong@nxp.com>2019-06-25 12:43:19 +0300
committerVinod Koul <vkoul@kernel.org>2019-07-03 10:58:22 +0300
commitaf802728e4ab0764b2a26960a30f4cbe358a3b95 (patch)
treead0aed00f14cf9e91a35cd69824994ae9f155e9d /drivers/dma/fsl-edma-common.h
parentfc4a9030788548414ccdd9d04aa457d4e027ecaa (diff)
downloadlinux-af802728e4ab0764b2a26960a30f4cbe358a3b95.tar.xz
dmaengine: fsl-edma: add drvdata for fsl-edma
There are some differences between vf610 and next i.mx7ulp. Put such differences into static driver data for distinguishing easily at driver level. Change mcf-edma accordingly. Signed-off-by: Robin Gong <yibin.gong@nxp.com> Tested-by: Angelo Dureghello <angelo@sysam.it> Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/fsl-edma-common.h')
-rw-r--r--drivers/dma/fsl-edma-common.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h
index c53f76eeb4d3..4e175560292c 100644
--- a/drivers/dma/fsl-edma-common.h
+++ b/drivers/dma/fsl-edma-common.h
@@ -7,6 +7,7 @@
#define _FSL_EDMA_COMMON_H_
#include <linux/dma-direction.h>
+#include <linux/platform_device.h>
#include "virt-dma.h"
#define EDMA_CR_EDBG BIT(1)
@@ -140,17 +141,24 @@ enum edma_version {
v2, /* 64ch Coldfire */
};
+struct fsl_edma_drvdata {
+ enum edma_version version;
+ u32 dmamuxs;
+ int (*setup_irq)(struct platform_device *pdev,
+ struct fsl_edma_engine *fsl_edma);
+};
+
struct fsl_edma_engine {
struct dma_device dma_dev;
void __iomem *membase;
void __iomem *muxbase[DMAMUX_NR];
struct clk *muxclk[DMAMUX_NR];
struct mutex fsl_edma_mutex;
+ const struct fsl_edma_drvdata *drvdata;
u32 n_chans;
int txirq;
int errirq;
bool big_endian;
- enum edma_version version;
struct edma_regs regs;
struct fsl_edma_chan chans[];
};