From: Shawn Guo <shawnguo@kernel.org>
To: peng.fan@nxp.com
Cc: s.hauer@pengutronix.de, sboyd@kernel.org, robh+dt@kernel.org,
viresh.kumar@linaro.org, rjw@rjwysocki.net,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
Anson.Huang@nxp.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, abel.vesa@nxp.com
Subject: Re: [PATCH v2 03/14] clk: imx: Fix division by zero warning on pfdv2
Date: Tue, 10 Mar 2020 13:53:25 +0800 [thread overview]
Message-ID: <20200310055324.GF15729@dragon> (raw)
In-Reply-To: <1582099197-20327-4-git-send-email-peng.fan@nxp.com>
On Wed, Feb 19, 2020 at 03:59:46PM +0800, peng.fan@nxp.com wrote:
> From: Anson Huang <Anson.Huang@nxp.com>
>
> 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>
Applied, thanks.
WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: peng.fan@nxp.com
Cc: abel.vesa@nxp.com, Anson.Huang@nxp.com, sboyd@kernel.org,
viresh.kumar@linaro.org, s.hauer@pengutronix.de,
rjw@rjwysocki.net, linux-kernel@vger.kernel.org,
robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de,
festevam@gmail.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 03/14] clk: imx: Fix division by zero warning on pfdv2
Date: Tue, 10 Mar 2020 13:53:25 +0800 [thread overview]
Message-ID: <20200310055324.GF15729@dragon> (raw)
In-Reply-To: <1582099197-20327-4-git-send-email-peng.fan@nxp.com>
On Wed, Feb 19, 2020 at 03:59:46PM +0800, peng.fan@nxp.com wrote:
> From: Anson Huang <Anson.Huang@nxp.com>
>
> 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>
Applied, thanks.
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next prev parent reply other threads:[~2020-03-10 5:53 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-19 7:59 [PATCH v2 00/14] ARM: imx7ulp: add cpufreq using cpufreq-dt peng.fan
2020-02-19 7:59 ` peng.fan
2020-02-19 7:59 ` [PATCH v2 01/14] dt-bindings: fsl: add i.MX7ULP PMC binding doc peng.fan
2020-02-19 7:59 ` peng.fan
2020-03-10 5:49 ` Shawn Guo
2020-03-10 5:49 ` Shawn Guo
2020-03-10 5:56 ` Peng Fan
2020-03-10 5:56 ` Peng Fan
2020-03-11 7:39 ` Peng Fan
2020-03-11 7:39 ` Peng Fan
2020-03-11 7:39 ` Peng Fan
2020-02-19 7:59 ` [PATCH v2 02/14] ARM: dts: imx7ulp: add pmc node peng.fan
2020-02-19 7:59 ` peng.fan
2020-02-19 7:59 ` [PATCH v2 03/14] clk: imx: Fix division by zero warning on pfdv2 peng.fan
2020-02-19 7:59 ` peng.fan
2020-03-10 5:53 ` Shawn Guo [this message]
2020-03-10 5:53 ` Shawn Guo
2020-02-19 7:59 ` [PATCH v2 04/14] clk: imx: pfdv2: switch to use determine_rate peng.fan
2020-02-19 7:59 ` peng.fan
2020-03-10 6:02 ` Shawn Guo
2020-03-10 6:02 ` Shawn Guo
2020-02-19 7:59 ` [PATCH v2 05/14] clk: imx: pfdv2: determine best parent rate peng.fan
2020-02-19 7:59 ` peng.fan
2020-03-10 6:04 ` Shawn Guo
2020-03-10 6:04 ` Shawn Guo
2020-02-19 7:59 ` [PATCH v2 06/14] clk: imx: pllv4: use prepare/unprepare peng.fan
2020-02-19 7:59 ` peng.fan
2020-03-10 6:04 ` Shawn Guo
2020-03-10 6:04 ` Shawn Guo
2020-02-19 7:59 ` [PATCH v2 07/14] clk: imx7ulp: make it easy to change ARM core clk peng.fan
2020-02-19 7:59 ` peng.fan
2020-03-10 6:09 ` Shawn Guo
2020-03-10 6:09 ` Shawn Guo
2020-03-10 6:19 ` Peng Fan
2020-03-10 6:19 ` Peng Fan
2020-02-19 7:59 ` [PATCH v2 08/14] ARM: imx: imx7ulp: support HSRUN mode peng.fan
2020-02-19 7:59 ` peng.fan
2020-02-19 7:59 ` [PATCH v2 09/14] ARM: imx: cpuidle-imx7ulp: Stop mode disallowed when HSRUN peng.fan
2020-02-19 7:59 ` peng.fan
2020-03-10 6:13 ` Shawn Guo
2020-03-10 6:13 ` Shawn Guo
2020-03-10 7:35 ` Peng Fan
2020-03-10 7:35 ` Peng Fan
2020-02-19 7:59 ` [PATCH v2 10/14] cpufreq: dt: Allow platform specific intermediate callbacks peng.fan
2020-02-19 7:59 ` peng.fan
2020-02-19 9:35 ` Viresh Kumar
2020-02-19 9:35 ` Viresh Kumar
2020-02-19 9:41 ` Peng Fan
2020-02-19 9:41 ` Peng Fan
2020-02-19 9:45 ` Viresh Kumar
2020-02-19 9:45 ` Viresh Kumar
2020-02-19 9:46 ` Viresh Kumar
2020-02-19 9:46 ` Viresh Kumar
2020-02-19 9:55 ` Peng Fan
2020-02-19 9:55 ` Peng Fan
2020-03-12 10:15 ` Viresh Kumar
2020-03-12 10:15 ` Viresh Kumar
2020-02-19 7:59 ` [PATCH v2 11/14] cpufreq: Add i.MX7ULP to cpufreq-dt-platdev blacklist peng.fan
2020-02-19 7:59 ` peng.fan
2020-02-19 7:59 ` [PATCH v2 12/14] cpufreq: imx-cpufreq-dt: support i.MX7ULP peng.fan
2020-02-19 7:59 ` peng.fan
2020-02-19 7:59 ` [PATCH v2 13/14] ARM: imx7ulp: enable cpufreq peng.fan
2020-02-19 7:59 ` peng.fan
2020-02-19 7:59 ` [PATCH v2 14/14] [Do not Apply] ARM: dts: imx7ulp: add cpu OPP points peng.fan
2020-02-19 7:59 ` peng.fan
2020-03-02 1:40 ` [PATCH v2 00/14] ARM: imx7ulp: add cpufreq using cpufreq-dt Peng Fan
2020-03-02 1:40 ` Peng Fan
2020-03-02 17:48 ` Fabio Estevam
2020-03-02 17:48 ` Fabio Estevam
2020-03-03 1:08 ` Peng Fan
2020-03-03 1:08 ` Peng Fan
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