芯片：OMAPL138
OS系统：
Linux arago 2.6.33-rc4 #45 PREEMPT Tue Dec 15 05:10:11 CST 2015 armv5tejl unknown
在带有SD卡的环境中，OS内核不断打印如下信息：如何解决
mmc0: starting CMD13 arg aaaa0000 flags 00000195
davinci_mmc davinci_mmc.0: CMD13, arg 0xaaaa0000, R1/R5/R6/R7 response
mmc0: req done (CMD13): 0: 00000900 00000000 00000000 00000000
mmc0: starting CMD13 arg aaaa0000 flags 00000195
davinci_mmc davinci_mmc.0: CMD13, arg 0xaaaa0000, R1/R5/R6/R7 response
mmc0: req done (CMD13): 0: 00000900 00000000 0000000
