xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MN10300: ASB2364: Handle the IRQ multiplexer in the FPGA

Browse Source 
Handle the IRQ multiplexer in the FPGA by implementing a cascade interrupt
driver for it.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2010-10-27 17:28:58 +01:00
parent 730c1fad0e
commit 6044cf1d94
7 changed files with 165 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
arch/mn10300/include/asm/irq.h
View File

@@ -21,11 +21,15 @@
/* this number is used when no interrupt has been assigned */
#define NO_IRQ INT_MAX
/* hardware irq numbers */
#ifdef CONFIG_SMP
#define NR_IRQS GxICR_NUM_EXT_IRQS
/*
* hardware irq numbers
* - the ASB2364 has an FPGA with an IRQ multiplexer on it
*/
#ifdef CONFIG_MN10300_UNIT_ASB2364
#include <unit/irq.h>
#else
#define NR_IRQS GxICR_NUM_IRQS
#define NR_CPU_IRQS GxICR_NUM_IRQS
#define NR_IRQS NR_CPU_IRQS
#endif
/* external hardware irq numbers */