diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/serial_sci.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h index 4ca130a90ea5..8bffe9ae2ca0 100644 --- a/include/linux/serial_sci.h +++ b/include/linux/serial_sci.h @@ -56,6 +56,8 @@ enum { SCIx_TXI_IRQ, SCIx_BRI_IRQ, SCIx_NR_IRQS, + + SCIx_MUX_IRQ = SCIx_NR_IRQS, /* special case */ }; enum { @@ -82,6 +84,11 @@ enum { [SCIx_BRI_IRQ] = (irq), \ } +#define SCIx_IRQ_IS_MUXED(port) \ + ((port)->cfg->irqs[SCIx_ERI_IRQ] == \ + (port)->cfg->irqs[SCIx_RXI_IRQ]) || \ + ((port)->cfg->irqs[SCIx_ERI_IRQ] && \ + !(port)->cfg->irqs[SCIx_RXI_IRQ]) /* * SCI register subset common for all port types. * Not all registers will exist on all parts. |