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;
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)