Source of rockchip-efuse.c - linux-imx - PHYTEC BitBucket (Stash)

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        return ret;
    }
​
    /* 128 Byte efuse, 96 Byte for secure, 32 Byte for non-secure */
    offset += RK3328_SECURE_SIZES;
    addr_start = rounddown(offset, RK3399_NBYTES) / RK3399_NBYTES;
    addr_end = roundup(offset + bytes, RK3399_NBYTES) / RK3399_NBYTES;
    addr_offset = offset % RK3399_NBYTES;
    addr_len = addr_end - addr_start;
​
    buf = kzalloc(sizeof(*buf) * addr_len * RK3399_NBYTES, GFP_KERNEL);
    buf = kzalloc(array3_size(addr_len, RK3399_NBYTES, sizeof(*buf)),
              GFP_KERNEL);
    if (!buf) {
        ret = -ENOMEM;
        goto nomem;
    }
​
    while (addr_len--) {
        writel(RK3328_AUTO_RD | RK3328_AUTO_ENB |
               ((addr_start++ & RK3399_A_MASK) << RK3399_A_SHIFT),
               efuse->base + RK3328_AUTO_CTRL);
        udelay(4);
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    if (ret < 0) {
        dev_err(efuse->dev, "failed to prepare/enable efuse clk\n");
        return ret;
    }
​
    addr_start = rounddown(offset, RK3399_NBYTES) / RK3399_NBYTES;
    addr_end = roundup(offset + bytes, RK3399_NBYTES) / RK3399_NBYTES;
    addr_offset = offset % RK3399_NBYTES;
    addr_len = addr_end - addr_start;
​
    buf = kzalloc(sizeof(*buf) * addr_len * RK3399_NBYTES, GFP_KERNEL);
    buf = kzalloc(array3_size(addr_len, RK3399_NBYTES, sizeof(*buf)),
              GFP_KERNEL);
    if (!buf) {
        clk_disable_unprepare(efuse->clk);
        return -ENOMEM;
    }
​
    writel(RK3399_LOAD | RK3399_PGENB | RK3399_STROBSFTSEL | RK3399_RSB,
           efuse->base + REG_EFUSE_CTRL);
    udelay(1);
    while (addr_len--) {
        writel(readl(efuse->base + REG_EFUSE_CTRL) | RK3399_STROBE |