Hi, On Thu, Dec 22, 2016 at 06:00:37AM +0800, Icenowy Zheng wrote: > Hello, Maxime and Hans, > Recently I got a board (Lichee Pi One) with two SD slots, both have its cd pin > not connected (said to save GPIO, according to the designer). > > I used "broken-cd" in its device tree file, in order to get them to work. > However, after the system booted, the kernel insists on outputing infomation > like the following per second: > > ``` > [ 409.185225] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 8, RTO !! > [ 409.195088] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 55, RTO !! > [ 409.206424] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 55, RTO !! > [ 409.213199] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 55, RTO !! > [ 409.219831] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 55, RTO !! > [ 409.226492] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 1, RTO !! > [ 410.305194] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 8, RTO !! > [ 410.315049] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 55, RTO !! > [ 410.326381] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 55, RTO !! > [ 410.333544] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 55, RTO !! > [ 410.340281] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 55, RTO !! > [ 410.346942] sunxi-mmc 1c0f000.mmc: smc 0 err, cmd 1, RTO !! > ``` > > which renders the console nearly not usable. > > Should this kind of message be masked when the card is configured with > broken-cd? (As the card may be hot-swapped)
I have no idea. Other drivers seem to not even log a message when a timeout occurs. This needs to be discussed with the maintainer on the relevant mailing-lists. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
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