[PATCH v2] ipq806x: gcc: Added the enable regs and mask for PRNG

* [PATCH v2] ipq806x: gcc: Added the enable regs and mask for PRNG
@ 2020-03-18 13:16 Ansuel Smith
  2020-03-20 23:28 ` Stephen Boyd
  2020-03-20 23:29 ` Stephen Boyd
  0 siblings, 2 replies; 3+ messages in thread
From: Ansuel Smith @ 2020-03-18 13:16 UTC (permalink / raw)
  To: Andy Gross
  Cc: Abhishek Sahu, Ansuel Smith, Bjorn Andersson, Michael Turquette,
	Stephen Boyd, Kumar Gala, linux-arm-msm, linux-clk, linux-kernel

From: Abhishek Sahu <absahu@codeaurora.org>

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>
---
v2:
 * Fix wrong authorship

 drivers/clk/qcom/gcc-ipq806x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c
index b0eee0903807..a8456e09c44d 100644
--- 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,
-- 
2.25.0


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