> >From what I can see, sdio_uart_open() and sdio_uart_activate() are > called on the first cat invocation, and then sdio_uart_close() and > sdio_uart_shutdown() when cat is stopped with ^C. However neither I would have expected the cat to terminate when the port is unplugged (and the uart remove method called - doing a hangup) > sdio_uart_open() nor sdio_uart_activate() is ever called anymore with > any subsequent cat invocations until a reboot. Some upper layer must > have taken upon itself to return -EIO to user space. The first call into the driver is to sdio_uart_install which looks up the port from tty->index and would blow up if for some reason the get method failed. Still digging. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
