On 06/17/2014 05:03 PM, Roger Quadros wrote:
> Define ti_clk_register_dpll_x2() and of_ti_am3_dpll_x2_setup() if
> AM43XX is defined.
>
> Fixes the below boot issue.
>
> [ 2.157258] gpmc_l3_clk not enabled
> [ 2.161194] gpmc_l3_clk not enabled
> [ 2.164896] Division by zero in kernel.
> [ 2.169055] CPU: 0 PID: 321 Comm: kworker/u2:2 Tainted: G W
> 3.16.0-rc1-00008-g4c0e520 #273
> [ 2.178880] Workqueue: deferwq deferred_probe_work_func
> [ 2.184459] [<c001477c>] (unwind_backtrace) from [<c001187c>]
> (show_stack+0x10/0x14)
> [ 2.192752] [<c001187c>] (show_stack) from [<c0530f28>]
> (dump_stack+0x80/0x9c)
> [ 2.200486] [<c0530f28>] (dump_stack) from [<c02c867c>] (Ldiv0+0x8/0x10)
> [ 2.207678] [<c02c867c>] (Ldiv0) from [<c0022da0>]
> (gpmc_calc_divider+0x24/0x40)
> [ 2.215490] [<c0022da0>] (gpmc_calc_divider) from [<c0022e20>]
> (gpmc_cs_set_timings+0x18/0x474)
> [ 2.224783] [<c0022e20>] (gpmc_cs_set_timings) from [<c003069c>]
> (gpmc_nand_init+0x74/0x1a8)
> [ 2.233791] [<c003069c>] (gpmc_nand_init) from [<c0024668>]
> (gpmc_probe+0x52c/0x874)
> [ 2.242089] [<c0024668>] (gpmc_probe) from [<c0349218>]
> (platform_drv_probe+0x18/0x48)
> [ 2.250534] [<c0349218>] (platform_drv_probe) from [<c0347d88>]
> (driver_probe_device+0x104/0x22c)
> [ 2.259988] [<c0347d88>] (driver_probe_device) from [<c03464dc>]
> (bus_for_each_drv+0x44/0x8c)
> [ 2.269087] [<c03464dc>] (bus_for_each_drv) from [<c0347c4c>]
> (device_attach+0x74/0x8c)
> [ 2.277620] [<c0347c4c>] (device_attach) from [<c0347380>]
> (bus_probe_device+0x88/0xb0)
> [ 2.286074] [<c0347380>] (bus_probe_device) from [<c0347768>]
> (deferred_probe_work_func+0x60/0x90)
> [ 2.295611] [<c0347768>] (deferred_probe_work_func) from [<c004ef50>]
> (process_one_work+0x1b4/0x4bc)
> [ 2.305288] [<c004ef50>] (process_one_work) from [<c004f3d4>]
> (worker_thread+0x148/0x550)
> [ 2.313954] [<c004f3d4>] (worker_thread) from [<c0055a48>]
> (kthread+0xc8/0xe4)
> [ 2.321628] [<c0055a48>] (kthread) from [<c000e648>]
> (ret_from_fork+0x14/0x2c)
>
Sorry to miss that this was reported by Tony.
Reported-by: Tony Lindgren <t...@atomide.com>
cheers,
-roger
> Signed-off-by: Roger Quadros <rog...@ti.com>
> ---
> drivers/clk/ti/dpll.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c
> index abd956d..79791e1 100644
> --- a/drivers/clk/ti/dpll.c
> +++ b/drivers/clk/ti/dpll.c
> @@ -161,7 +161,8 @@ cleanup:
> }
>
> #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
> - defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX)
> + defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \
> + defined(CONFIG_SOC_AM43XX)
> /**
> * ti_clk_register_dpll_x2 - Registers a DPLLx2 clock
> * @node: device node for this clock
> @@ -322,7 +323,7 @@ CLK_OF_DECLARE(ti_omap4_dpll_x2_clock,
> "ti,omap4-dpll-x2-clock",
> of_ti_omap4_dpll_x2_setup);
> #endif
>
> -#ifdef CONFIG_SOC_AM33XX
> +#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
> static void __init of_ti_am3_dpll_x2_setup(struct device_node *node)
> {
> ti_clk_register_dpll_x2(node, &dpll_x2_ck_ops, NULL);
>
--
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