On Tue, Nov 24, 2015 at 12:33:45AM -0800, Nicolin Chen wrote:
> On Tue, Nov 24, 2015 at 03:03:28PM +0800, Shengjiu Wang wrote:
>
> > @@ -469,6 +471,9 @@ static int fsl_esai_startup(struct snd_pcm_substream *substream,
> > ret = clk_prepare_enable(esai_priv->coreclk);
> > if (ret)
> > return ret;
> > + ret = clk_prepare_enable(esai_priv->spbaclk);
> > + if (ret)
> > + goto err_spbaclk;
> > if (!IS_ERR(esai_priv->extalclk)) {
> > ret = clk_prepare_enable(esai_priv->extalclk);
> > if (ret)
>
> Just like for extalclk there is a IS_ERR check out there, there
> should be one for spbaclk as well. Otherwise....
>
> root@imx6qdlsolo:~# aplay /unit_tests/audio8k16S.wav
> [ 29.956250] Unable to handle kernel paging request at virtual address fffffffe
> [ 29.963491] pgd = edd98000
> [ 29.966278] [fffffffe] *pgd=afffd861, *pte=00000000, *ppte=00000000
> [ 29.972615] Internal error: Oops: 37 [#1] SMP ARM
> [ 29.977327] Modules linked in:
> [ 29.980410] CPU: 0 PID: 755 Comm: aplay Not tainted 4.4.0-rc1-12414-gcc8db17 #250
> [ 29.987899] Hardware name: Freescale i.MX6 SoloX (Device Tree)
> [ 29.993738] task: edece780 ti: ed26a000 task.ti: ed26a000
> [ 29.999156] PC is at clk_prepare+0x18/0x38
> [ 30.003268] LR is at mark_held_locks+0x70/0x98
> [ 30.007720] pc : [<c0568714>] lr : [<c006f42c>] psr: 600f0013
> [ 30.007720] sp : ed26bc60 ip : 00000003 fp : ed26bc74
> [ 30.019204] r10: eebe4d9c r9 : eeb2e00c r8 : eeb2e00c
> [ 30.024435] r7 : fffffffe r6 : eeb2c500 r5 : eeb2d0c0 r4 : fffffffe
> [ 30.030966] r3 : edece780 r2 : 00000001 r1 : 00000001 r0 : 00000001
> [ 30.037502] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
> [ 30.044643] Control: 10c5387d Table: add9804a DAC: 00000051
> [ 30.050395] Process aplay (pid: 755, stack limit = 0xed26a210)
>
Will fix it in next version, and send it out later.
best regards
wang shengjiu
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