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Commit e21b9f2e authored by Sylvain Munaut's avatar Sylvain Munaut Committed by Linus Torvalds
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[PATCH] ppc32: Modify Freescale MPC52xx IRQ mapping to _not_ use irq 0 



AFAIK IRQ number 0 is a perfectly valid IRQ number.  But it seems there are
numerous places where it's considered to be invalid or "no irq" value.  Since
that value is problematic, the IRQ mapping is changed to not use it.

Signed-off-by: default avatarSylvain Munaut <tnt@246tNt.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 4aa7c801

include/asm-ppc/mpc52xx.h

+1 −1
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ enum ppc_sys_devices { 
#define MPC52xx_SDMA_IRQ_NUM	17

#define MPC52xx_PERP_IRQ_NUM	23



#define MPC52xx_CRIT_IRQ_BASE	0

#define MPC52xx_CRIT_IRQ_BASE	1

#define MPC52xx_MAIN_IRQ_BASE	(MPC52xx_CRIT_IRQ_BASE + MPC52xx_CRIT_IRQ_NUM)

#define MPC52xx_SDMA_IRQ_BASE	(MPC52xx_MAIN_IRQ_BASE + MPC52xx_MAIN_IRQ_NUM)

#define MPC52xx_PERP_IRQ_BASE	(MPC52xx_SDMA_IRQ_BASE + MPC52xx_SDMA_IRQ_NUM)