Re: [PATCH] clk: qcom: Fix MSM8998 resets

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On 12/3/2018 10:02 AM, Stephen Boyd wrote:
Quoting Jeffrey Hugo (2018-12-03 08:08:46)
On 12/3/2018 8:55 AM, Bjorn Andersson wrote:
On Mon 03 Dec 07:34 PST 2018, Jeffrey Hugo wrote:

The offsets for the defined BCR reset registers does not match the hardware
documentation.  Update the values to match the hardware documentation.


Sorry for not spotting this before.

Fixes: b5f5f525c547 (clk: qcom: Add MSM8998 Global Clock Control (GCC) driver)
Signed-off-by: Jeffrey Hugo <jhugo@xxxxxxxxxxxxxx>
---
   drivers/clk/qcom/gcc-msm8998.c | 38 +++++++++++++++++++-------------------
   1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/drivers/clk/qcom/gcc-msm8998.c b/drivers/clk/qcom/gcc-msm8998.c
index 9f0ae40..01cc555 100644
--- a/drivers/clk/qcom/gcc-msm8998.c
+++ b/drivers/clk/qcom/gcc-msm8998.c
@@ -2742,25 +2742,25 @@ enum {
   };
static const struct qcom_reset_map gcc_msm8998_resets[] = {
-    [GCC_BLSP1_QUP1_BCR] = { 0x102400 },
-    [GCC_BLSP1_QUP2_BCR] = { 0x110592 },
-    [GCC_BLSP1_QUP3_BCR] = { 0x118784 },
-    [GCC_BLSP1_QUP4_BCR] = { 0x126976 },
-    [GCC_BLSP1_QUP5_BCR] = { 0x135168 },
-    [GCC_BLSP1_QUP6_BCR] = { 0x143360 },
-    [GCC_BLSP2_QUP1_BCR] = { 0x155648 },
-    [GCC_BLSP2_QUP2_BCR] = { 0x163840 },
-    [GCC_BLSP2_QUP3_BCR] = { 0x172032 },
-    [GCC_BLSP2_QUP4_BCR] = { 0x180224 },
-    [GCC_BLSP2_QUP5_BCR] = { 0x188416 },
-    [GCC_BLSP2_QUP6_BCR] = { 0x196608 },
-    [GCC_PCIE_0_BCR] = { 0x438272 },
-    [GCC_PDM_BCR] = { 0x208896 },
-    [GCC_SDCC2_BCR] = { 0x81920 },
-    [GCC_SDCC4_BCR] = { 0x90112 },
-    [GCC_TSIF_BCR] = { 0x221184 },
-    [GCC_UFS_BCR] = { 0x479232 },
-    [GCC_USB_30_BCR] = { 0x61440 },
+    [GCC_BLSP1_QUP1_BCR] = { 0x19000 },
+    [GCC_BLSP1_QUP2_BCR] = { 0x1b000 },
+    [GCC_BLSP1_QUP3_BCR] = { 0x1d000 },
+    [GCC_BLSP1_QUP4_BCR] = { 0x1f000 },
+    [GCC_BLSP1_QUP5_BCR] = { 0x21000 },
+    [GCC_BLSP1_QUP6_BCR] = { 0x23000 },
+    [GCC_BLSP2_QUP1_BCR] = { 0x26000 },
+    [GCC_BLSP2_QUP2_BCR] = { 0x28000 },
+    [GCC_BLSP2_QUP3_BCR] = { 0x2a000 },
+    [GCC_BLSP2_QUP4_BCR] = { 0x2c000 },
+    [GCC_BLSP2_QUP5_BCR] = { 0x2e000 },
+    [GCC_BLSP2_QUP6_BCR] = { 0x30000 },
+    [GCC_PCIE_0_BCR] = { 0x6c01c },

I find GCC_PCIE_0_BCR at 0x6b000 and then GCC_PCIE_0_PHY_BCR at 0x6c01c.

Doh.  Thanks for the double check.  GCC_PCIE_0_PHY_BCR is not defined in
include/dt-bindings/clock/qcom,gcc-msm8998.h so I plan to leave it out
until later.

Expect a v2 shortly.

Will you add GCC_PCIE0_PHY_BCR shortly so we don't have to add it later
on when it becomes critical?


My plan was to let it sit until it becomes necessary. I'm working on USB and found that GCC_QUSB2PHY_PRIM_BCR, GCC_USB3_PHY_BCR, and GCC_USB3PHY_PHY_BCR are also missing, so I suspect there are others.

Would you prefer I send a follow up that adds the PCIE phy and the USB resets?

--
Jeffrey Hugo
Qualcomm Datacenter Technologies as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.



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