Liu Hua wrote:
I use linux-2.6.28 kernel for dm6446 board from montavista. It can work well except that there's some problem in serial console. When I login linux, I enter a charactor, the charactor will not display until I enter the next charactor. So there's one charactor delay. But when I use linux-2.6.10, there's no problem. Can anyone solve this problem for me? Thanks.
I believe it was some code in the 8250 serial driver added in 2.6.28 which caused this.
Look at the difference in serial8250_startup function between 2.6.26 and 2.6.28.
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