On Thu, Dec 24, 2015 at 9:05 AM, Russell King - ARM Linux
<linux@xxxxxxxxxxxxxxxx> wrote:
> On Thu, Dec 24, 2015 at 09:03:12AM -0600, Timur Tabi wrote:
>> On Thu, Dec 24, 2015 at 12:54 AM, Huang Shijie <shijie.huang@xxxxxxx> wrote:
>> > My kernel cmdline:
>> > console=ttyAMA0,115200 earlycon=pl011,0x7ff80000 root=/dev/sda1 rootwait verbose debug sky2.mac_address=0x00,0x02,0xF7,0x00,0x63,0x3C dtb=r1a57.dtb
>>
>> earlycon is broken with Russell's patches. My patch fixes it, but
>> only for standard pl011 devices.
>
> No, it shouldn't be. Earlycon uses pl011_putc() which remains exactly
> the same as it was before these patches.
while (readl(port->membase + REG_FR) & UART01x_FR_TXFF)
is broken because REG_FR is equal to 1.
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