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> Subject: Re: [PATCH 1/2] tty: serial: imx: add lock for registers save/restore
>
> Hello,
>
> On Thu, Aug 09, 2018 at 06:06:08PM +0800, Anson Huang wrote:
> > In noirq suspend/resume stage with no_console_suspend enabled,
> > .imx_console_write() may be ca
Hello,
On Thu, Aug 09, 2018 at 06:06:08PM +0800, Anson Huang wrote:
> In noirq suspend/resume stage with no_console_suspend enabled,
> .imx_console_write() may be called to print out log_buf
> message by .printk(), so there will be race condition between
> .imx_console_write() and .serial_imx_save
In noirq suspend/resume stage with no_console_suspend enabled,
.imx_console_write() may be called to print out log_buf
message by .printk(), so there will be race condition between
.imx_console_write() and .serial_imx_save/restore_context(),
need to add lock to protect the registers save/restore op
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