提交 235228ba 编写于 作者: E Enric Balletbo i Serra 提交者: Tony Lindgren

omap3: IGEP v2: Improve igep2_flash_init() function

The changes are:
  - Use 'for' loop instead 'while' loop.
  - No need to initialize ret to 0, we're assigning it right after.
  - No need to check for onenandcs < GPMC_CS_NUM here, it will always be true.
Signed-off-by: NEnric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>
上级 ae3e0333
......@@ -155,32 +155,31 @@ static void __init igep2_flash_init(void)
u8 cs = 0;
u8 onenandcs = GPMC_CS_NUM + 1;
while (cs < GPMC_CS_NUM) {
u32 ret = 0;
for (cs = 0; cs < GPMC_CS_NUM; cs++) {
u32 ret;
ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
/* Check if NAND/oneNAND is configured */
if ((ret & 0xC00) == 0x800)
/* NAND found */
pr_err("IGEP v2: Unsupported NAND found\n");
pr_err("IGEP2: Unsupported NAND found\n");
else {
ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
if ((ret & 0x3F) == (ONENAND_MAP >> 24))
/* ONENAND found */
onenandcs = cs;
}
cs++;
}
if (onenandcs > GPMC_CS_NUM) {
pr_err("IGEP v2: Unable to find configuration in GPMC\n");
pr_err("IGEP2: Unable to find configuration in GPMC\n");
return;
}
if (onenandcs < GPMC_CS_NUM) {
igep2_onenand_data.cs = onenandcs;
if (platform_device_register(&igep2_onenand_device) < 0)
pr_err("IGEP v2: Unable to register OneNAND device\n");
}
pr_err("IGEP2: Unable to register OneNAND device\n");
}
#else
......
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