linux-kernel - Re: [PATCH 6/6] arm: mach-omap2: Remove "no_console

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Message-ID: <51704557.5080307@ti.com>
Date:	Fri, 19 Apr 2013 00:41:19 +0530
From:	Sourav Poddar <sourav.poddar@...com>
To:	Kevin Hilman <khilman@...aro.org>
CC:	<gregkh@...uxfoundation.org>, <tony@...mide.com>,
	<rmk+kernel@....linux.org.uk>, <linux-serial@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Felipe Balbi <balbi@...com>, Rajendra nayak <rnayak@...com>
Subject: Re: [PATCH 6/6] arm: mach-omap2: Remove "no_console_suspend"

Hi Kevin,
On Thursday 18 April 2013 11:41 PM, Kevin Hilman wrote:
> Sourav Poddar<sourav.poddar@...com>  writes:
>
>> Since the omap serial driver is now adapted to handle the
>> case where you dont need to cut the clock on suspend while
>> using "no_console_suspend" in the bootargs.
>>
>> We can get rid of the previous implementation of setting the od->flags to
>> "OMAP_DEVICE_NO_IDLE_ON_SUSPEND" from platform
>> and omap_device files.
>>
>> Cc: Santosh Shilimkar<santosh.shilimkar@...com>
>> Cc: Felipe Balbi<balbi@...com>
>> Cc: Rajendra nayak<rnayak@...com>
>> Signed-off-by: Sourav Poddar<sourav.poddar@...com>
> also, the serial.c change here should be a separate patch
> subject: arm: omap2+: serial: remove no_console_suspend support
>
> with a changelog stating that it's no longer handled in the core.
>
Ok. Will create a seperate patch and update the changelog.
> Kevin
>
>> ---
>>   arch/arm/mach-omap2/omap_device.c |    3 ---
>>   arch/arm/mach-omap2/serial.c      |    7 -------
>>   2 files changed, 0 insertions(+), 10 deletions(-)
>>
>> diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
>> index d6dce8f..c226946 100644
>> --- a/arch/arm/mach-omap2/omap_device.c
>> +++ b/arch/arm/mach-omap2/omap_device.c
>> @@ -170,9 +170,6 @@ static int omap_device_build_from_dt(struct platform_device *pdev)
>>   			r->name = dev_name(&pdev->dev);
>>   	}
>>
>> -	if (of_get_property(node, "ti,no_idle_on_suspend", NULL))
>> -		omap_device_disable_idle_on_suspend(pdev);
>> -
>>   	pdev->dev.pm_domain =&omap_device_pm_domain;
>>
>>   odbfd_exit1:
>> diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
>> index f660156..58d5b56 100644
>> --- a/arch/arm/mach-omap2/serial.c
>> +++ b/arch/arm/mach-omap2/serial.c
>> @@ -63,7 +63,6 @@ struct omap_uart_state {
>>   static LIST_HEAD(uart_list);
>>   static u8 num_uarts;
>>   static u8 console_uart_id = -1;
>> -static u8 no_console_suspend;
>>   static u8 uart_debug;
>>
>>   #define DEFAULT_RXDMA_POLLRATE		1	/* RX DMA polling rate (us) */
>> @@ -207,9 +206,6 @@ static int __init omap_serial_early_init(void)
>>   					uart_name, uart->num);
>>   			}
>>
>> -			if (cmdline_find_option("no_console_suspend"))
>> -				no_console_suspend = true;
>> -
>>   			/*
>>   			 * omap-uart can be used for earlyprintk logs
>>   			 * So if omap-uart is used as console then prevent
>> @@ -292,9 +288,6 @@ void __init omap_serial_init_port(struct omap_board_data *bdata,
>>   		return;
>>   	}
>>
>> -	if ((console_uart_id == bdata->id)&&  no_console_suspend)
>> -		omap_device_disable_idle_on_suspend(pdev);
>> -
>>   	oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
>>
>>   	if (console_uart_id == bdata->id) {

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