17 files changed, 32 insertions, 35 deletions

diff --git a/drivers/tty/serial/21285.c b/drivers/tty/serial/21285.c
index f899996b4363..a44345a2dbb4 100644
--- a/drivers/tty/serial/21285.c
+++ b/drivers/tty/serial/21285.c
@@ -16,6 +16,7 @@
 
 #include <asm/irq.h>
 #include <asm/mach-types.h>
+#include <asm/system_info.h>
 #include <asm/hardware/dec21285.h>
 #include <mach/hardware.h>
 
diff --git a/drivers/tty/serial/68328serial.c b/drivers/tty/serial/68328serial.c
index 7398390e7e65..5ce782529d65 100644
--- a/drivers/tty/serial/68328serial.c
+++ b/drivers/tty/serial/68328serial.c
@@ -39,7 +39,6 @@
 
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/system.h>
 #include <asm/delay.h>
 #include <asm/uaccess.h>
 
diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c
index 86090605a84e..29b695d041ec 100644
--- a/drivers/tty/serial/8250/serial_cs.c
+++ b/drivers/tty/serial/8250/serial_cs.c
@@ -43,7 +43,6 @@
 #include <linux/delay.h>
 #include <linux/major.h>
 #include <asm/io.h>
-#include <asm/system.h>
 
 #include <pcmcia/cistpl.h>
 #include <pcmcia/ciscode.h>
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 20d795d9b591..0c65c9e66986 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -51,6 +51,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/scatterlist.h>
 #include <linux/delay.h>
+#include <linux/types.h>
 
 #include <asm/io.h>
 #include <asm/sizes.h>
@@ -271,6 +272,7 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap)
                 .dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE,
                 .direction = DMA_MEM_TO_DEV,
                 .dst_maxburst = uap->fifosize >> 1,
+                .device_fc = false,
         };
         struct dma_chan *chan;
         dma_cap_mask_t mask;
@@ -304,6 +306,7 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap)
                         .src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE,
                         .direction = DMA_DEV_TO_MEM,
                         .src_maxburst = uap->fifosize >> 1,
+                        .device_fc = false,
                 };
 
                 chan = dma_request_channel(mask, plat->dma_filter, plat->dma_rx_param);
@@ -481,7 +484,7 @@ static int pl011_dma_tx_refill(struct uart_amba_port *uap)
                 return -EBUSY;
         }
 
-        desc = dma_dev->device_prep_slave_sg(chan, &dmatx->sg, 1, DMA_MEM_TO_DEV,
+        desc = dmaengine_prep_slave_sg(chan, &dmatx->sg, 1, DMA_MEM_TO_DEV,
                                              DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
         if (!desc) {
                 dma_unmap_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE);
@@ -664,7 +667,6 @@ static void pl011_dma_rx_callback(void *data);
 static int pl011_dma_rx_trigger_dma(struct uart_amba_port *uap)
 {
         struct dma_chan *rxchan = uap->dmarx.chan;
-        struct dma_device *dma_dev;
         struct pl011_dmarx_data *dmarx = &uap->dmarx;
         struct dma_async_tx_descriptor *desc;
         struct pl011_sgbuf *sgbuf;
@@ -675,8 +677,7 @@ static int pl011_dma_rx_trigger_dma(struct uart_amba_port *uap)
         /* Start the RX DMA job */
         sgbuf = uap->dmarx.use_buf_b ?
                 &uap->dmarx.sgbuf_b : &uap->dmarx.sgbuf_a;
-        dma_dev = rxchan->device;
-        desc = rxchan->device->device_prep_slave_sg(rxchan, &sgbuf->sg, 1,
+        desc = dmaengine_prep_slave_sg(rxchan, &sgbuf->sg, 1,
                                         DMA_DEV_TO_MEM,
                                         DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
         /*
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c
index 23d791696879..5b07c0c3a10c 100644
--- a/drivers/tty/serial/crisv10.c
+++ b/drivers/tty/serial/crisv10.c
@@ -34,9 +34,9 @@ static char *serial_version = "$Revision: 1.25 $";
 
 #include <asm/irq.h>
 #include <asm/dma.h>
-#include <asm/system.h>
 
 #include <arch/svinto.h>
+#include <arch/system.h>
 
 /* non-arch dependent serial structures are in linux/serial.h */
 #include <linux/serial.h>
diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c
index e3699a84049f..6491b8644a7f 100644
--- a/drivers/tty/serial/dz.c
+++ b/drivers/tty/serial/dz.c
@@ -52,7 +52,6 @@
 #include <linux/atomic.h>
 #include <asm/bootinfo.h>
 #include <asm/io.h>
-#include <asm/system.h>
 
 #include <asm/dec/interrupts.h>
 #include <asm/dec/kn01.h>
diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c
index d55709a7a75a..defc4e3393a3 100644
--- a/drivers/tty/serial/icom.c
+++ b/drivers/tty/serial/icom.c
@@ -52,7 +52,6 @@
 #include <linux/firmware.h>
 #include <linux/bitops.h>
 
-#include <asm/system.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/uaccess.h>
diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c
index a9234ba8f8d5..c4b50af46c44 100644
--- a/drivers/tty/serial/mfd.c
+++ b/drivers/tty/serial/mfd.c
@@ -127,11 +127,6 @@ static inline void serial_out(struct uart_hsu_port *up, int offset, int value)
 
 #define HSU_REGS_BUFSIZE        1024
 
-static int hsu_show_regs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
 
 static ssize_t port_show_regs(struct file *file, char __user *user_buf,
                                 size_t count, loff_t *ppos)
@@ -231,14 +226,14 @@ static ssize_t dma_show_regs(struct file *file, char __user *user_buf,
 
 static const struct file_operations port_regs_ops = {
         .owner          = THIS_MODULE,
-        .open           = hsu_show_regs_open,
+        .open           = simple_open,
         .read           = port_show_regs,
         .llseek         = default_llseek,
 };
 
 static const struct file_operations dma_regs_ops = {
         .owner          = THIS_MODULE,
-        .open           = hsu_show_regs_open,
+        .open           = simple_open,
         .read           = dma_show_regs,
         .llseek         = default_llseek,
 };
diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index 5e85e1e14c44..fca13dc73e23 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -50,7 +50,6 @@
 
 #include <linux/atomic.h>
 #include <asm/irq.h>
-#include <asm/system.h>
 
 #include <mach/hardware.h>
 #include <mach/dma.h>
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 332f2eb8abbc..08b9962b8fda 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -304,11 +304,7 @@ static const int trigger_level_1[4] = { 1, 1, 1, 1 };
 #ifdef CONFIG_DEBUG_FS
 
 #define PCH_REGS_BUFSIZE        1024
-static int pch_show_regs_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
+
 
 static ssize_t port_show_regs(struct file *file, char __user *user_buf,
                                 size_t count, loff_t *ppos)
@@ -362,7 +358,7 @@ static ssize_t port_show_regs(struct file *file, char __user *user_buf,
 
 static const struct file_operations port_regs_ops = {
         .owner          = THIS_MODULE,
-        .open           = pch_show_regs_open,
+        .open           = simple_open,
         .read           = port_show_regs,
         .llseek         = default_llseek,
 };
@@ -844,7 +840,7 @@ static int dma_handle_rx(struct eg20t_port *priv)
 
         sg_dma_address(sg) = priv->rx_buf_dma;
 
-        desc = priv->chan_rx->device->device_prep_slave_sg(priv->chan_rx,
+        desc = dmaengine_prep_slave_sg(priv->chan_rx,
                         sg, 1, DMA_DEV_TO_MEM,
                         DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 
@@ -1003,7 +999,7 @@ static unsigned int dma_handle_tx(struct eg20t_port *priv)
                         sg_dma_len(sg) = size;
         }
 
-        desc = priv->chan_tx->device->device_prep_slave_sg(priv->chan_tx,
+        desc = dmaengine_prep_slave_sg(priv->chan_tx,
                                         priv->sg_tx_p, nent, DMA_MEM_TO_DEV,
                                         DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
         if (!desc) {
diff --git a/drivers/tty/serial/sa1100.c b/drivers/tty/serial/sa1100.c
index ef7a21a6a01b..2ca5959ec3fa 100644
--- a/drivers/tty/serial/sa1100.c
+++ b/drivers/tty/serial/sa1100.c
@@ -38,6 +38,7 @@
 
 #include <asm/irq.h>
 #include <mach/hardware.h>
+#include <mach/irqs.h>
 #include <asm/mach/serial_sa1100.h>
 
 /* We've been assigned a range on the "Low-density serial ports" major */
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 61b7fd2729cd..bf461cf99616 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1229,17 +1229,20 @@ static void sci_dma_tx_complete(void *arg)
         port->icount.tx += sg_dma_len(&s->sg_tx);
 
         async_tx_ack(s->desc_tx);
-        s->cookie_tx = -EINVAL;
         s->desc_tx = NULL;
 
         if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
                 uart_write_wakeup(port);
 
         if (!uart_circ_empty(xmit)) {
+                s->cookie_tx = 0;
                 schedule_work(&s->work_tx);
-        } else if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
-                u16 ctrl = sci_in(port, SCSCR);
-                sci_out(port, SCSCR, ctrl & ~SCSCR_TIE);
+        } else {
+                s->cookie_tx = -EINVAL;
+                if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
+                        u16 ctrl = sci_in(port, SCSCR);
+                        sci_out(port, SCSCR, ctrl & ~SCSCR_TIE);
+                }
         }
 
         spin_unlock_irqrestore(&port->lock, flags);
@@ -1338,7 +1341,7 @@ static void sci_submit_rx(struct sci_port *s)
                 struct scatterlist *sg = &s->sg_rx[i];
                 struct dma_async_tx_descriptor *desc;
 
-                desc = chan->device->device_prep_slave_sg(chan,
+                desc = dmaengine_prep_slave_sg(chan,
                         sg, 1, DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT);
 
                 if (desc) {
@@ -1453,7 +1456,7 @@ static void work_fn_tx(struct work_struct *work)
 
         BUG_ON(!sg_dma_len(sg));
 
-        desc = chan->device->device_prep_slave_sg(chan,
+        desc = dmaengine_prep_slave_sg(chan,
                         sg, s->sg_len_tx, DMA_MEM_TO_DEV,
                         DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
         if (!desc) {
@@ -1501,8 +1504,10 @@ static void sci_start_tx(struct uart_port *port)
         }
 
         if (s->chan_tx && !uart_circ_empty(&s->port.state->xmit) &&
-            s->cookie_tx < 0)
+            s->cookie_tx < 0) {
+                s->cookie_tx = 0;
                 schedule_work(&s->work_tx);
+        }
 #endif
 
         if (!s->chan_tx || port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c
index 3ba5d285c2d0..505961cfd934 100644
--- a/drivers/tty/serial/sunhv.c
+++ b/drivers/tty/serial/sunhv.c
@@ -23,6 +23,7 @@
 #include <asm/spitfire.h>
 #include <asm/prom.h>
 #include <asm/irq.h>
+#include <asm/setup.h>
 
 #if defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ
diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c
index 62dacd0ba526..f0d93eb7e6ec 100644
--- a/drivers/tty/serial/sunsab.c
+++ b/drivers/tty/serial/sunsab.c
@@ -37,6 +37,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/prom.h>
+#include <asm/setup.h>
 
 #if defined(CONFIG_SERIAL_SUNSAB_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ
diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
index d3ca6da129fe..675303b8ed84 100644
--- a/drivers/tty/serial/sunsu.c
+++ b/drivers/tty/serial/sunsu.c
@@ -41,6 +41,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/prom.h>
+#include <asm/setup.h>
 
 #if defined(CONFIG_SERIAL_SUNSU_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ
diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c
index da4415842a43..babd9470982b 100644
--- a/drivers/tty/serial/sunzilog.c
+++ b/drivers/tty/serial/sunzilog.c
@@ -37,6 +37,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/prom.h>
+#include <asm/setup.h>
 
 #if defined(CONFIG_SERIAL_SUNZILOG_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ
@@ -1580,7 +1581,7 @@ static int __init sunzilog_init(void)
         if (err)
                 goto out_unregister_uart;
 
-        if (!zilog_irq) {
+        if (zilog_irq) {
                 struct uart_sunzilog_port *up = sunzilog_irq_chain;
                 err = request_irq(zilog_irq, sunzilog_interrupt, IRQF_SHARED,
                                   "zs", sunzilog_irq_chain);
@@ -1621,7 +1622,7 @@ static void __exit sunzilog_exit(void)
 {
         platform_driver_unregister(&zs_driver);
 
-        if (!zilog_irq) {
+        if (zilog_irq) {
                 struct uart_sunzilog_port *up = sunzilog_irq_chain;
 
                 /* Disable Interrupts */
diff --git a/drivers/tty/serial/zs.c b/drivers/tty/serial/zs.c
index b7455b526080..4001eee6c08d 100644
--- a/drivers/tty/serial/zs.c
+++ b/drivers/tty/serial/zs.c
@@ -67,7 +67,6 @@
 #include <linux/types.h>
 
 #include <linux/atomic.h>
-#include <asm/system.h>
 
 #include <asm/dec/interrupts.h>
 #include <asm/dec/ioasic_addrs.h>