rng: jh7110: Fix invalid usage of dev_read_addr

dev_read_addr returns FDT_ADDR_T_NONE (-1), not NULL,
in case of errors.
Replace dev_read_addr by dev_read_addr_ptr.
Replace error to EINVAL.

Signed-off-by: Francois Berder <fberder@outlook.fr>
Reviewed-by: Hal Feng <hal.feng@starfivetech.com>

diff --git a/drivers/rng/jh7110_rng.c b/drivers/rng/jh7110_rng.c
index eb21afe4e7cb078d1b97498041c36875f5f45327..d54898c67f6bf9697762a0be6f114854174c6f9f 100644 (file)
--- a/drivers/rng/jh7110_rng.c
+++ b/drivers/rng/jh7110_rng.c
@@ -233,9 +233,9 @@ static int starfive_trng_of_to_plat(struct udevice *dev)
 {
        struct starfive_trng_plat *pdata = dev_get_plat(dev);
 
-       pdata->base = (void *)dev_read_addr(dev);
+       pdata->base = dev_read_addr_ptr(dev);
        if (!pdata->base)
-               return -ENODEV;
+               return -EINVAL;
 
        pdata->hclk = devm_clk_get(dev, "hclk");
        if (IS_ERR(pdata->hclk))