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authorPaul Mundt <lethal@linux-sh.org>2011-01-19 15:37:31 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-01-19 15:37:31 +0900
commit27bd107525607e6a64c612ca3c43ca0dac4768b1 (patch)
treef508fa9c1ed15fe840de3f41e39887dc98944e07
parentserial: sh-sci: Consolidate port definition structures. (diff)
downloadlinux-dev-27bd107525607e6a64c612ca3c43ca0dac4768b1.tar.xz
linux-dev-27bd107525607e6a64c612ca3c43ca0dac4768b1.zip
serial: sh-sci: Kill off some DMA ifdeffery.
There's nothing worth hiding under the ifdef in the platform DMA definitions, and we certainly don't want board code adding this in to their platform data definitions, so we always expose the slave rx/tx and device pointer members instead. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--drivers/serial/sh-sci.c14
-rw-r--r--include/linux/serial_sci.h6
2 files changed, 10 insertions, 10 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index dccc9822ab9b..5b3e9769ca21 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -1423,6 +1423,14 @@ static void sci_free_dma(struct uart_port *port)
if (s->chan_rx)
sci_rx_dma_release(s, false);
}
+#else
+static inline void sci_request_dma(struct uart_port *port)
+{
+}
+
+static inline void sci_free_dma(struct uart_port *port)
+{
+}
#endif
static int sci_startup(struct uart_port *port)
@@ -1435,9 +1443,7 @@ static int sci_startup(struct uart_port *port)
s->enable(port);
sci_request_irq(s);
-#ifdef CONFIG_SERIAL_SH_SCI_DMA
sci_request_dma(port);
-#endif
sci_start_tx(port);
sci_start_rx(port);
@@ -1452,9 +1458,7 @@ static void sci_shutdown(struct uart_port *port)
sci_stop_rx(port);
sci_stop_tx(port);
-#ifdef CONFIG_SERIAL_SH_SCI_DMA
sci_free_dma(port);
-#endif
sci_free_irq(s);
if (s->disable)
@@ -1726,11 +1730,9 @@ static int __devinit sci_init_single(struct platform_device *dev,
*/
port->irq = p->irqs[SCIx_TXI_IRQ];
-#ifdef CONFIG_SERIAL_SH_SCI_DMA
if (p->dma_dev)
dev_dbg(port->dev, "DMA device %p, tx %d, rx %d\n",
p->dma_dev, p->dma_slave_tx, p->dma_slave_rx);
-#endif
return 0;
}
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 01ffe7c56e5b..a2afc9fbe186 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -58,10 +58,8 @@ struct plat_sci_port {
struct device *dma_dev;
-#ifdef CONFIG_SERIAL_SH_SCI_DMA
- unsigned int dma_slave_tx;
- unsigned int dma_slave_rx;
-#endif
+ unsigned int dma_slave_tx;
+ unsigned int dma_slave_rx;
};
#endif /* __LINUX_SERIAL_SCI_H */