openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: add dma_zone_size to the machine_desc structure 

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
This commit is contained in:
Nicolas Pitre 2011-07-05 22:28:08 -04:00 committed by Nicolas Pitre
parent 650320181a
commit 4fddcaebb9
2 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/include/asm/mach/arch.h
View File

@ -23,6 +23,10 @@ struct machine_desc {
unsigned int nr_irqs; /* number of IRQs */
#ifdef CONFIG_ZONE_DMA
unsigned long dma_zone_size; /* size of DMA-able area */
#endif
unsigned int video_start; /* start of video RAM */
unsigned int video_end; /* end of video RAM */

6
arch/arm/kernel/setup.c
View File

@ -916,6 +916,12 @@ void __init setup_arch(char **cmdline_p)
cpu_init();
tcm_init();
#ifdef CONFIG_ZONE_DMA
if (mdesc->dma_zone_size) {
extern unsigned long arm_dma_zone_size;
arm_dma_zone_size = mdesc->dma_zone_size;
}
#endif
#ifdef CONFIG_MULTI_IRQ_HANDLER
handle_arch_irq = mdesc->handle_irq;
#endif