linux/drivers/clk/imx
Anson Huang 28b2f82e03 clk: imx: Fix division by zero warning on pfdv2
Fix below division by zero warning:

[    3.176443] Division by zero in kernel.
[    3.181809] CPU: 0 PID: 88 Comm: kworker/0:2 Not tainted 5.3.0-rc2-next-20190730-63758-ge08da51-dirty #124
[    3.191817] Hardware name: Freescale i.MX7ULP (Device Tree)
[    3.197821] Workqueue: events dbs_work_handler
[    3.202849] [<c01127d8>] (unwind_backtrace) from [<c010cd80>] (show_stack+0x10/0x14)
[    3.211058] [<c010cd80>] (show_stack) from [<c0c77e68>] (dump_stack+0xd8/0x110)
[    3.218820] [<c0c77e68>] (dump_stack) from [<c0c753c0>] (Ldiv0_64+0x8/0x18)
[    3.226263] [<c0c753c0>] (Ldiv0_64) from [<c05984b4>] (clk_pfdv2_set_rate+0x54/0xac)
[    3.234487] [<c05984b4>] (clk_pfdv2_set_rate) from [<c059192c>] (clk_change_rate+0x1a4/0x698)
[    3.243468] [<c059192c>] (clk_change_rate) from [<c0591a08>] (clk_change_rate+0x280/0x698)
[    3.252180] [<c0591a08>] (clk_change_rate) from [<c0591fc0>] (clk_core_set_rate_nolock+0x1a0/0x278)
[    3.261679] [<c0591fc0>] (clk_core_set_rate_nolock) from [<c05920c8>] (clk_set_rate+0x30/0x64)
[    3.270743] [<c05920c8>] (clk_set_rate) from [<c089cb88>] (imx7ulp_set_target+0x184/0x2a4)
[    3.279501] [<c089cb88>] (imx7ulp_set_target) from [<c0896358>] (__cpufreq_driver_target+0x188/0x514)
[    3.289196] [<c0896358>] (__cpufreq_driver_target) from [<c0899b0c>] (od_dbs_update+0x130/0x15c)
[    3.298438] [<c0899b0c>] (od_dbs_update) from [<c089a5d0>] (dbs_work_handler+0x2c/0x5c)
[    3.306914] [<c089a5d0>] (dbs_work_handler) from [<c0156858>] (process_one_work+0x2ac/0x704)
[    3.315826] [<c0156858>] (process_one_work) from [<c0156cdc>] (worker_thread+0x2c/0x574)
[    3.324404] [<c0156cdc>] (worker_thread) from [<c015cfe8>] (kthread+0x134/0x148)
[    3.332278] [<c015cfe8>] (kthread) from [<c01010b4>] (ret_from_fork+0x14/0x20)
[    3.339858] Exception stack(0xe82d5fb0 to 0xe82d5ff8)
[    3.345314] 5fa0:                                     00000000 00000000 00000000 00000000
[    3.353926] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    3.362519] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-03-10 13:53:07 +08:00
..
clk-busy.c This round of clk driver and framework updates is heavy on the driver update 2019-07-17 10:07:48 -07:00
clk-composite-7ulp.c clk: imx: imx7ulp composite: Rename to show is clk_hw based 2019-12-11 19:19:48 +08:00
clk-composite-8m.c clk: imx: drop redundant initialization 2020-02-17 14:32:32 +08:00
clk-cpu.c This round of clk driver and framework updates is heavy on the driver update 2019-07-17 10:07:48 -07:00
clk-divider-gate.c clk: imx: Rename the imx_clk_divider_gate to imply it's clk_hw based 2019-12-11 19:19:59 +08:00
clk-fixup-div.c clk: imx: drop redundant initialization 2020-02-17 14:32:32 +08:00
clk-fixup-mux.c clk: imx: drop redundant initialization 2020-02-17 14:32:32 +08:00
clk-frac-pll.c clk: imx: Rename sccg and frac pll register to suggest clk_hw 2019-12-11 19:19:50 +08:00
clk-gate2.c clk: imx: drop redundant initialization 2020-02-17 14:32:32 +08:00
clk-gate-exclusive.c This round of clk driver and framework updates is heavy on the driver update 2019-07-17 10:07:48 -07:00
clk-imx1.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
clk-imx5.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
clk-imx6q.c clk: imx6q: disable non functional divider 2019-12-09 10:09:12 +08:00
clk-imx6sl.c clk: imx6sl: Add missing of_node_put() 2020-02-17 14:37:21 +08:00
clk-imx6sll.c clk: imx: imx6sll: use imx_obtain_fixed_clk_hw to simplify code 2019-10-28 16:46:45 +08:00
clk-imx6sx.c clk: imx: imx6sx: use imx_obtain_fixed_clk_hw to simplify code 2019-10-28 16:46:50 +08:00
clk-imx6ul.c clk: imx: imx6ul: use imx_obtain_fixed_clk_hw to simplify code 2019-10-28 16:46:54 +08:00
clk-imx7d.c clk: imx: imx7d: use imx_obtain_fixed_clk_hw to simplify code 2019-10-28 16:45:09 +08:00
clk-imx7ulp.c clk: imx7ulp: Include clk-provider.h instead of clk.h 2020-02-17 14:33:37 +08:00
clk-imx8mm.c clk: imx: imx8mm: fix a53 cpu clock 2020-02-24 15:39:56 +08:00
clk-imx8mn.c clk: imx: imx8mn: fix a53 cpu clock 2020-02-24 15:39:56 +08:00
clk-imx8mp.c clk: imx: imx8mp: fix a53 cpu clock 2020-02-24 15:39:56 +08:00
clk-imx8mq.c clk: imx: imx8mq: fix a53 cpu clock 2020-02-24 15:39:56 +08:00
clk-imx8qxp-lpcg.c clk: imx8qxp-lpcg: Warn against devm_platform_ioremap_resource 2019-12-11 16:06:10 +08:00
clk-imx8qxp-lpcg.h clk: imx: add imx8qxp lpcg driver 2018-12-14 13:01:14 -08:00
clk-imx8qxp.c clk: imx: scu: add fallback compatible string support 2019-02-21 12:41:16 -08:00
clk-imx21.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
clk-imx25.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
clk-imx27.c clk: Remove io.h from clk-provider.h 2019-05-15 13:21:37 -07:00
clk-imx31.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 21 2019-05-21 11:28:47 +02:00
clk-imx35.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
clk-lpcg-scu.c clk: imx: add lpcg clock support 2018-12-14 13:00:51 -08:00
clk-pfd.c This round of clk driver and framework updates is heavy on the driver update 2019-07-17 10:07:48 -07:00
clk-pfdv2.c clk: imx: Fix division by zero warning on pfdv2 2020-03-10 13:53:07 +08:00
clk-pll14xx.c clk: imx: pll14xx: Return error if pll type is invalid 2020-02-24 15:41:13 +08:00
clk-pllv1.c clk: imx: pllv1: Switch to clk_hw based API 2019-12-11 19:19:41 +08:00
clk-pllv2.c clk: imx: pllv2: Switch to clk_hw based API 2019-12-11 19:19:44 +08:00
clk-pllv3.c This round of clk driver and framework updates is heavy on the driver update 2019-07-17 10:07:48 -07:00
clk-pllv4.c clk: imx: Rename the imx_clk_pllv4 to imply it's clk_hw based 2019-12-11 19:19:54 +08:00
clk-scu.c clk: imx: scu: add cpu frequency scaling support 2019-02-26 10:03:38 -08:00
clk-scu.h clk: imx: scu: add set parent support 2019-02-21 12:41:16 -08:00
clk-sscg-pll.c clk: imx: clk-sscg-pll: Drop unnecessary initialization 2020-02-24 15:49:25 +08:00
clk-vf610.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
clk.c clk: imx: Remove __init for imx_obtain_fixed_clk_hw() API 2019-12-23 11:50:54 +08:00
clk.h clk: imx: composite-8m: add imx8m_clk_hw_composite_core 2020-02-14 10:49:18 +08:00
Kconfig clk: imx: Add support for i.MX8MP clock driver 2020-01-12 14:07:36 +08:00
Makefile clk: imx: Add support for i.MX8MP clock driver 2020-01-12 14:07:36 +08:00