hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ARM: mxs: do not add dma device by default 

This will cause conflict when dt is enabled.
So let each platform add dma devices respectively.

Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Huang Shijie <b32955@freescale.com>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Dong Aisheng 2012-05-04 20:12:18 +08:00 committed by Shawn Guo
parent 90c9abc5b7
commit cb1be3c73d
3 changed files with 10 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
arch/arm/mach-mxs/devices/platform-dma.c
View File

@ -14,7 +14,7 @@
#include <mach/mx28.h>
#include <mach/devices-common.h>
static struct platform_device *__init mxs_add_dma(const char *devid,
struct platform_device *__init mxs_add_dma(const char *devid,
resource_size_t base)
{
struct resource res[] = {
@ -29,24 +29,3 @@ static struct platform_device *__init mxs_add_dma(const char *devid,
res, ARRAY_SIZE(res), NULL, 0,
DMA_BIT_MASK(32));
}
static int __init mxs_add_mxs_dma(void)
{
char *mx23_apbh = "imx23-dma-apbh";
char *mx23_apbx = "imx23-dma-apbx";
char *mx28_apbh = "imx28-dma-apbh";
char *mx28_apbx = "imx28-dma-apbx";
if (cpu_is_mx23()) {
mxs_add_dma(mx23_apbh, MX23_APBH_DMA_BASE_ADDR);
mxs_add_dma(mx23_apbx, MX23_APBX_DMA_BASE_ADDR);
}
if (cpu_is_mx28()) {
mxs_add_dma(mx28_apbh, MX28_APBH_DMA_BASE_ADDR);
mxs_add_dma(mx28_apbx, MX28_APBX_DMA_BASE_ADDR);
}
return 0;
}
arch_initcall(mxs_add_mxs_dma);

3
arch/arm/mach-mxs/include/mach/common.h
View File

@ -31,4 +31,7 @@ extern void mx28_init_irq(void);
extern void icoll_init_irq(void);
extern struct platform_device *mxs_add_dma(const char *devid,
resource_size_t base);
#endif /* __MACH_MXS_COMMON_H__ */

6
arch/arm/mach-mxs/mm.c
View File

@ -66,9 +66,15 @@ void __init mx28_init_irq(void)
void __init mx23_soc_init(void)
{
pinctrl_provide_dummies();
mxs_add_dma("imx23-dma-apbh", MX23_APBH_DMA_BASE_ADDR);
mxs_add_dma("imx23-dma-apbx", MX23_APBX_DMA_BASE_ADDR);
}
void __init mx28_soc_init(void)
{
pinctrl_provide_dummies();
mxs_add_dma("imx28-dma-apbh", MX23_APBH_DMA_BASE_ADDR);
mxs_add_dma("imx28-dma-apbx", MX23_APBX_DMA_BASE_ADDR);
}