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authorGeert Uytterhoeven <geert@linux-m68k.org>2013-06-29 10:40:20 +0200
committerGeert Uytterhoeven <geert@linux-m68k.org>2013-11-26 11:09:03 +0100
commitc293738e6d8dfb9c941759855b5161fde449644d (patch)
tree3c2d4b2041af3e2fe5a8a4702cdfe49fca3e1f7f /arch/m68k/amiga
parent1ea636eb68322198e08aebdede141244d98e8299 (diff)
downloadlinux-linaro-stable-c293738e6d8dfb9c941759855b5161fde449644d.tar.gz
zorro: Do not allocate zorro_autocon[] statically
Currently the array of Zorro devices is allocated statically, wasting up to 4.5 KiB when running an Amiga or multi-platform kernel on a machine with no or a handful of Zorro expansion cards. Convert it to conditional dynamic memory allocation to fix this. amiga_parse_bootinfo() still needs to store some information about the detected Zorro devices, at a time even the bootmem allocator is not yet available. This is now handled using a much smaller array (typically less than 0.5 KiB), which is __initdata and thus freed later. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k/amiga')
-rw-r--r--arch/m68k/amiga/config.c6
-rw-r--r--arch/m68k/amiga/platform.c4
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index 93ab423758da..d956ddbfebe1 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -174,12 +174,12 @@ int __init amiga_parse_bootinfo(const struct bi_record *record)
#ifdef CONFIG_ZORRO
if (zorro_num_autocon < ZORRO_NUM_AUTO) {
const struct ConfigDev *cd = (struct ConfigDev *)data;
- struct zorro_dev *dev = &zorro_autocon[zorro_num_autocon++];
+ struct zorro_dev_init *dev = &zorro_autocon_init[zorro_num_autocon++];
dev->rom = cd->cd_Rom;
dev->slotaddr = cd->cd_SlotAddr;
dev->slotsize = cd->cd_SlotSize;
- dev->resource.start = (unsigned long)cd->cd_BoardAddr;
- dev->resource.end = dev->resource.start + cd->cd_BoardSize - 1;
+ dev->boardaddr = (u32)cd->cd_BoardAddr;
+ dev->boardsize = cd->cd_BoardSize;
} else
printk("amiga_parse_bootinfo: too many AutoConfig devices\n");
#endif /* CONFIG_ZORRO */
diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index dacd9f911f71..7847b2b1b5b6 100644
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -67,8 +67,8 @@ static int __init z_dev_present(zorro_id id)
unsigned int i;
for (i = 0; i < zorro_num_autocon; i++)
- if (zorro_autocon[i].rom.er_Manufacturer == ZORRO_MANUF(id) &&
- zorro_autocon[i].rom.er_Product == ZORRO_PROD(id))
+ if (zorro_autocon_init[i].rom.er_Manufacturer == ZORRO_MANUF(id) &&
+ zorro_autocon_init[i].rom.er_Product == ZORRO_PROD(id))
return 1;
return 0;