Messages in this thread | | | Date | Wed, 4 Nov 2009 00:54:32 +0000 | From | Alan Cox <> | Subject | Re: [PATCH 00/11] Sort out sdio_uart - stage two |
| |
> >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.
| |