target/linux/mediatek/patches-4.14/0197-hwrng-mediatek-Setup-default-RNG-quality.patch

   1 From cd4a7d700a148f89d599ebe53fd97dc64193683a Mon Sep 17 00:00:00 2001
   2 From: Sean Wang <sean.wang@mediatek.com>
   3 Date: Wed, 10 Jan 2018 12:02:46 +0800
   4 Subject: [PATCH 197/224] hwrng: mediatek - Setup default RNG quality
   5
   6 When hw_random device's quality is non-zero, it will automatically fill
   7 the kernel's entropy pool at boot.  For the purpose, one conservative
   8 quality value is being picked up as the default value.
   9
  10 Signed-off-by: Sean Wang <sean.wang@mediatek.com>
  11 Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
  12 ---
  13  drivers/char/hw_random/mtk-rng.c | 1 +
  14  1 file changed, 1 insertion(+)
  15
  16 diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c
  17 index 8da7bcf54105..7f99cd52b40e 100644
  18 --- a/drivers/char/hw_random/mtk-rng.c
  19 +++ b/drivers/char/hw_random/mtk-rng.c
  20 @@ -135,6 +135,7 @@ static int mtk_rng_probe(struct platform_device *pdev)
  21  #endif
  22         priv->rng.read = mtk_rng_read;
  23         priv->rng.priv = (unsigned long)&pdev->dev;
  24 +       priv->rng.quality = 900;
  25
  26         priv->clk = devm_clk_get(&pdev->dev, "rng");
  27         if (IS_ERR(priv->clk)) {
  28 --
  29 2.11.0
  30