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ARM: shmobile: R-Car: Shrink rcar_sysc_ch size

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Shrink the individual fields in struct rcar_sysc_ch, as unsigned long or
int is overkill:
  - chan_offs contains a register offset relative to a base value
    (< 512),
  - chan_bit and isr_bit contain bit indices (0-31).

This reduces the size of each instance from 3 (4 on 64-bit) 32-bit words
to 1 32-bit word.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Geert Uytterhoeven 2015-06-04 20:22:28 +02:00 committed by Simon Horman
parent 577d104d85
commit 6fd2242e60
1 changed files with 3 additions and 3 deletions
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6
arch/arm/mach-shmobile/pm-rcar.h
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@ -2,9 +2,9 @@
#define PM_RCAR_H
struct rcar_sysc_ch {
unsigned long chan_offs;
unsigned int chan_bit;
unsigned int isr_bit;
u16 chan_offs;
u8 chan_bit;
u8 isr_bit;
};
int rcar_sysc_power_down(struct rcar_sysc_ch *sysc_ch);