serial: sh-sci: Remove platform data mapbase and irqs fields

The fields are not used anymore by board files, remove them.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 34 insertions, 26 deletions

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 96d26d7f8031..c4111162ec5e 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -58,6 +58,23 @@
 
 #include "sh-sci.h"
 
+/* Offsets into the sci_port->irqs array */
+enum {
+        SCIx_ERI_IRQ,
+        SCIx_RXI_IRQ,
+        SCIx_TXI_IRQ,
+        SCIx_BRI_IRQ,
+        SCIx_NR_IRQS,
+
+        SCIx_MUX_IRQ = SCIx_NR_IRQS,    /* special case */
+};
+
+#define SCIx_IRQ_IS_MUXED(port)                 \
+        ((port)->irqs[SCIx_ERI_IRQ] ==  \
+         (port)->irqs[SCIx_RXI_IRQ]) || \
+        ((port)->irqs[SCIx_ERI_IRQ] &&  \
+         ((port)->irqs[SCIx_RXI_IRQ] < 0))
+
 struct sci_port {
         struct uart_port        port;
 
@@ -2094,36 +2111,27 @@ static int sci_init_single(struct platform_device *dev,
         port->iotype    = UPIO_MEM;
         port->line      = index;
 
-        if (dev->num_resources) {
-                /* Device has resources, use them. */
-                res = platform_get_resource(dev, IORESOURCE_MEM, 0);
-                if (res == NULL)
-                        return -ENOMEM;
+        res = platform_get_resource(dev, IORESOURCE_MEM, 0);
+        if (res == NULL)
+                return -ENOMEM;
 
-                port->mapbase = res->start;
+        port->mapbase = res->start;
 
-                for (i = 0; i < ARRAY_SIZE(sci_port->irqs); ++i)
-                        sci_port->irqs[i] = platform_get_irq(dev, i);
+        for (i = 0; i < ARRAY_SIZE(sci_port->irqs); ++i)
+                sci_port->irqs[i] = platform_get_irq(dev, i);
 
-                /* The SCI generates several interrupts. They can be muxed
-                 * together or connected to different interrupt lines. In the
-                 * muxed case only one interrupt resource is specified. In the
-                 * non-muxed case three or four interrupt resources are
-                 * specified, as the BRI interrupt is optional.
-                 */
-                if (sci_port->irqs[0] < 0)
-                        return -ENXIO;
+        /* The SCI generates several interrupts. They can be muxed together or
+         * connected to different interrupt lines. In the muxed case only one
+         * interrupt resource is specified. In the non-muxed case three or four
+         * interrupt resources are specified, as the BRI interrupt is optional.
+         */
+        if (sci_port->irqs[0] < 0)
+                return -ENXIO;
 
-                if (sci_port->irqs[1] < 0) {
-                        sci_port->irqs[1] = sci_port->irqs[0];
-                        sci_port->irqs[2] = sci_port->irqs[0];
-                        sci_port->irqs[3] = sci_port->irqs[0];
-                }
-        } else {
-                /* No resources, use old-style platform data. */
-                port->mapbase = p->mapbase;
-                for (i = 0; i < ARRAY_SIZE(sci_port->irqs); ++i)
-                        sci_port->irqs[i] = p->irqs[i] ? p->irqs[i] : -ENXIO;
+        if (sci_port->irqs[1] < 0) {
+                sci_port->irqs[1] = sci_port->irqs[0];
+                sci_port->irqs[2] = sci_port->irqs[0];
+                sci_port->irqs[3] = sci_port->irqs[0];
         }
 
         if (p->regtype == SCIx_PROBE_REGTYPE) {