Subject: [PATCH 01/74] ST SPEAr: Padmux code Updated

From: [email-masked] (viresh kumar)
Date: Tue, 7 Sep 2010 09:21:42 +0530

On 9/7/2010 4:19 AM, Jean-Christophe PLAGNIOL-VILLARD wrote:
>>  
>> > -void spear300_pmx_init(void)
>> > -{
>> > -	spear_pmx_init(&pmx_driver, SPEAR300_SOC_CONFIG_BASE,
>> > +	/* pmx initialization */
>> > +	pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE,
>> >  			SPEAR300_SOC_CONFIG_SIZE);
>> > +	if (pmx_driver.base) {
>> > +		ret = pmx_register(&pmx_driver);
>> > +		if (ret)
>> > +			printk(KERN_ERR "padmux: registeration failed. err no"
>> > +					": %d\n", ret);
>> > +		iounmap(pmx_driver.base);
> why unmap it?

pmx_register will actually enable all selected devices and configure padmux.
After this we will never change device configuration again. So don't need
this mapping.

viresh.