ipq806x: gcc: Added the enable regs and mask for PRNG

Kernel got hanged while reading from /dev/hwrng at the
time of PRNG clock enable

Fixes: 24d8fba44af3 "clk: qcom: Add support for IPQ8064's global clock controller (GCC)"
Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Link: https://lkml.kernel.org/r/20200318131657.345-1-ansuelsmth@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c
index b0eee0903807fbe58fc8becbb7057703ef88b318..a8456e09c44d1d65bfd85a97b0d3f9dcc3bea65e 100644 (file)
--- a/drivers/clk/qcom/gcc-ipq806x.c
+++ b/drivers/clk/qcom/gcc-ipq806x.c
@@ -1224,6 +1224,8 @@ static struct clk_rcg prng_src = {
                .parent_map = gcc_pxo_pll8_map,
        },
        .clkr = {
+               .enable_reg = 0x2e80,
+               .enable_mask = BIT(11),
                .hw.init = &(struct clk_init_data){
                        .name = "prng_src",
                        .parent_names = gcc_pxo_pll8,