* [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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v2] ipq806x: gcc: Added the enable regs and mask for PRNG
2020-03-18 13:16 [PATCH v2] ipq806x: gcc: Added the enable regs and mask for PRNG Ansuel Smith
@ 2020-03-20 23:28 ` Stephen Boyd
2020-03-20 23:29 ` Stephen Boyd
1 sibling, 0 replies; 3+ messages in thread
From: Stephen Boyd @ 2020-03-20 23:28 UTC (permalink / raw)
To: Andy Gross, Ansuel Smith
Cc: Abhishek Sahu, Ansuel Smith, Bjorn Andersson, Michael Turquette,
Kumar Gala, linux-arm-msm, linux-clk, linux-kernel
Quoting Ansuel Smith (2020-03-18 06:16:56)
> 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>
> ---
Applied to clk-next
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2] ipq806x: gcc: Added the enable regs and mask for PRNG
2020-03-18 13:16 [PATCH v2] ipq806x: gcc: Added the enable regs and mask for PRNG Ansuel Smith
2020-03-20 23:28 ` Stephen Boyd
@ 2020-03-20 23:29 ` Stephen Boyd
1 sibling, 0 replies; 3+ messages in thread
From: Stephen Boyd @ 2020-03-20 23:29 UTC (permalink / raw)
To: Andy Gross, Ansuel Smith
Cc: Abhishek Sahu, Ansuel Smith, Bjorn Andersson, Michael Turquette,
Kumar Gala, linux-arm-msm, linux-clk, linux-kernel
Quoting Ansuel Smith (2020-03-18 06:16:56)
> 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)"
BTW, this should be on one line. Please fix it next time.
>
> Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
> Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
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