[PATCH 0/5] serial: imx: fixes

Greg KH gregkh at linuxfoundation.org
Wed May 28 12:34:42 PDT 2014


On Fri, May 09, 2014 at 04:19:43PM +0100, dean_jenkins at mentor.com wrote:
> From: Dean Jenkins <Dean_Jenkins at mentor.com>
> 
> The following set of patches were tested on an i.MX6 multi-core platform.
> 
> Patches 1 to 4 were tested using a Bluetooth BCSP UART connection at 115.2kbps
> and 4Mbps. The fixes were needed because the i.MX6 UART driver caused spinlock
> deadlocks with the HCI TTY layer.
> 
> Patch 5 improves the i.MX6 UART driver for use with kdb.
> 
> Patch 1: serial: imx: remove unneeded imx_transmit_buffer() from imx_start_tx()
> Patch 2: serial: imx: remove uart_write_wakeup() from imx_transmit_buffer()
> Patch 3: serial: imx: avoid spinlock recursion deadlock
> Patch 4: serial: imx: move imx_transmit_buffer() into imx_txint()
> Patch 5: serial: imx: clean up imx_poll_get_char()
> 
> The patches are based off 3.15-rc4.
> 
> ----------------------------------------------------------------
> Andy Lowe (1):
>       serial: imx: avoid spinlock recursion deadlock
> 
> Dirk Behme (4):
>       serial: imx: remove unneeded imx_transmit_buffer() from imx_start_tx()
>       serial: imx: remove uart_write_wakeup() from imx_transmit_buffer()
>       serial: imx: move imx_transmit_buffer() into imx_txint()
>       serial: imx: clean up imx_poll_get_char()
> 
>  drivers/tty/serial/imx.c |   73 ++++++++++++++--------------------------------
>  1 file changed, 22 insertions(+), 51 deletions(-)

Given the rather confusing threads based on these patches, I don't know
what to apply.

Dean, can you respin what patches you want applied and resend them so
I'm not so confused?

thanks,

greg k-h



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