pch_uart : fix warnings for 64bit compile

Fix the following warnings
drivers/serial/pch_uart.c: In function ‘dma_handle_rx’:
drivers/serial/pch_uart.c:685:24: warning: cast from pointer to integer of different size
drivers/serial/pch_uart.c: In function ‘dma_handle_tx’:
drivers/serial/pch_uart.c:778:23: warning: cast from pointer to integer of different size
drivers/serial/pch_uart.c: In function ‘pch_uart_init_port’:
drivers/serial/pch_uart.c:1289:20: warning: cast to pointer from integer of different size
drivers/serial/pch_uart.c: In function ‘pch_uart_exit_port’:
drivers/serial/pch_uart.c:1328:2: warning: cast from pointer to integer of different size

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Reported-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 7 insertions, 6 deletions

diff --git a/drivers/serial/pch_uart.c b/drivers/serial/pch_uart.c
index b94d1fa76973..70a61458ec42 100644
--- a/drivers/serial/pch_uart.c
+++ b/drivers/serial/pch_uart.c
@@ -682,7 +682,8 @@ static int dma_handle_rx(struct eg20t_port *priv)
         sg_dma_len(sg) = priv->fifo_size;
 
         sg_set_page(&priv->sg_rx, virt_to_page(priv->rx_buf_virt),
-                     sg_dma_len(sg), (int)priv->rx_buf_virt & ~PAGE_MASK);
+                     sg_dma_len(sg), (unsigned long)priv->rx_buf_virt &
+                     ~PAGE_MASK);
 
         sg_dma_address(sg) = priv->rx_buf_dma;
 
@@ -1254,7 +1255,7 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
         int ret;
         unsigned int iobase;
         unsigned int mapbase;
-        unsigned int rxbuf;
+        unsigned char *rxbuf;
         int fifosize, base_baud;
         static int num;
 
@@ -1262,7 +1263,7 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
         if (priv == NULL)
                 goto init_port_alloc_err;
 
-        rxbuf = __get_free_page(GFP_KERNEL);
+        rxbuf = (unsigned char *)__get_free_page(GFP_KERNEL);
         if (!rxbuf)
                 goto init_port_free_txbuf;
 
@@ -1286,7 +1287,7 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
         priv->iobase = iobase;
         priv->pdev = pdev;
         priv->tx_empty = 1;
-        priv->rxbuf.buf = (unsigned char *)rxbuf;
+        priv->rxbuf.buf = rxbuf;
         priv->rxbuf.size = PAGE_SIZE;
 
         priv->fifo_size = fifosize;
@@ -1313,7 +1314,7 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
         return priv;
 
 init_port_hal_free:
-        free_page(rxbuf);
+        free_page((unsigned long)rxbuf);
 init_port_free_txbuf:
         kfree(priv);
 init_port_alloc_err:
@@ -1325,7 +1326,7 @@ static void pch_uart_exit_port(struct eg20t_port *priv)
 {
         uart_remove_one_port(&pch_uart_driver, &priv->port);
         pci_set_drvdata(priv->pdev, NULL);
-        free_page((unsigned int)priv->rxbuf.buf);
+        free_page((unsigned long)priv->rxbuf.buf);
 }
 
 static void pch_uart_pci_remove(struct pci_dev *pdev)