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ARM: uniphier: optimize ProXstream2 UMC init code with "for" loop

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Now this code can be re-written with a "for" statement instead of
calling the same function multiple times.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2016-02-26 14:21:35 +09:00
parent 46abfcc99e
commit 59fe23c2e0
1 changed files with 11 additions and 22 deletions
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33
arch/arm/mach-uniphier/dram/umc-proxstream2.c
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@ -585,11 +585,9 @@ static void um_init(void __iomem *um_base)
int proxstream2_umc_init(const struct uniphier_board_data *bd)
{
void __iomem *um_base = (void __iomem *)0x5b600000;
void __iomem *umc_ch0_base = (void __iomem *)0x5b800000;
void __iomem *umc_ch1_base = (void __iomem *)0x5ba00000;
void __iomem *umc_ch2_base = (void __iomem *)0x5bc00000;
void __iomem *umc_ch_base = (void __iomem *)0x5b800000;
enum dram_freq freq;
int ret;
int ch, ret;
switch (bd->dram_freq) {
case 1866:
@ -603,25 +601,16 @@ int proxstream2_umc_init(const struct uniphier_board_data *bd)
return -EINVAL;
}
ret = umc_init(umc_ch0_base, freq, 0, bd->dram_ch[0].size / SZ_256M,
bd->dram_ch[0].width);
if (ret) {
printf("failed to initialize UMC ch0\n");
return ret;
}
for (ch = 0; ch < bd->dram_nr_ch; ch++) {
ret = umc_init(umc_ch_base, freq, ch,
bd->dram_ch[ch].size / SZ_256M,
bd->dram_ch[ch].width);
if (ret) {
printf("failed to initialize UMC ch%d\n", ch);
return ret;
}
ret = umc_init(umc_ch1_base, freq, 1, bd->dram_ch[1].size / SZ_256M,
bd->dram_ch[1].width);
if (ret) {
printf("failed to initialize UMC ch1\n");
return ret;
}
ret = umc_init(umc_ch2_base, freq, 2, bd->dram_ch[2].size / SZ_256M,
bd->dram_ch[2].width);
if (ret) {
printf("failed to initialize UMC ch2\n");
return ret;
umc_ch_base += 0x00200000;
}
um_init(um_base);