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/openbmc/linux/drivers/tty/serial/8250/ |
H A D | 8250_core.c | b08c9c31 Thu Apr 24 04:38:56 CDT 2014 Loic Poulain <loic.poulain@intel.com> 8250_core: Fix unwanted TX chars write
On transmit-hold-register empty, serial8250_tx_chars should be called only if we don't use DMA. DMA has its own tx cycle.
Signed-off-by: Loic Poulain <loic.poulain@intel.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> b08c9c31 Thu Apr 24 04:38:56 CDT 2014 Loic Poulain <loic.poulain@intel.com> 8250_core: Fix unwanted TX chars write On transmit-hold-register empty, serial8250_tx_chars should be called only if we don't use DMA. DMA has its own tx cycle. Signed-off-by: Loic Poulain <loic.poulain@intel.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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