rk mipi: modify debugfs of mipi

  It outputed the debugfs info of mipi to UART earlier.
  But it is inconvenient.
  It can output the debugfs info of mipi's to the kmesg now.

diff --git a/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c b/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
index 73a7b7e61184eae6123b08b8df201d643586e827..5cc1e9b40396551be70b83f413e85191eac0301c 100755 (executable)
--- a/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
+++ b/drivers/video/rockchip/transmitter/rk32_mipi_dsi.c
@@ -1357,25 +1357,23 @@ reg_proc_write_exit:
        return count;
 }
 
-int reg_proc_read(struct file *file, char __user *buff, size_t count,
-                                       loff_t *offp)
+int reg_proc_read(struct seq_file *s, void *v)
 {
        int i = 0;
        u32 val = 0;
-
+       struct dsi *dsi = s->private;
+       
        for (i = VERSION; i < (VERSION + (0xdc << 16)); i += 4<<16) {
-               val = rk32_dsi_get_bits(dsi0, i);
-               MIPI_TRACE("%04x: %08x\n", i>>16, val);
-               msleep(1);
+               val = rk32_dsi_get_bits(dsi, i);
+               seq_printf(s, "%04x: %08x\n", i>>16, val);
        }
-
-       MIPI_TRACE("\n");
-       return -1;
+       return 0;
 }
-
-int reg_proc_open(struct inode *inode, struct file *file)
+static int reg_proc_open(struct inode *inode, struct file *file)
 {
-       return 0;
+       struct dsi *dsi = inode->i_private;
+
+       return single_open(file, reg_proc_read, dsi);
 }
 
 int reg_proc_close(struct inode *inode, struct file *file)
@@ -1388,7 +1386,7 @@ struct file_operations reg_proc_fops = {
        .open = reg_proc_open,
        .release = reg_proc_close,
        .write = reg_proc_write,
-       .read = reg_proc_read,
+       .read = seq_read,
 };
 
 int reg_proc_write1(struct file *file, const char __user *buff, size_t count, loff_t *offp)
@@ -1488,27 +1486,6 @@ reg_proc_write_exit:
        return count;
 }
 
-int reg_proc_read1(struct file *file, char __user *buff, size_t count,
-                                       loff_t *offp)
-{
-       int i = 0;
-       u32 val = 0;
-
-       for (i = VERSION; i < (VERSION + (0xdc<<16)); i += 4<<16) {
-               val = rk32_dsi_get_bits(dsi1, i);
-               MIPI_TRACE("%04x: %08x\n", i>>16, val);
-               msleep(1);
-       }
-
-       MIPI_TRACE("\n");
-       return -1;
-}
-
-int reg_proc_open1(struct inode *inode, struct file *file)
-{
-       return 0;
-}
-
 int reg_proc_close1(struct inode *inode, struct file *file)
 {
        return 0;
@@ -1516,10 +1493,10 @@ int reg_proc_close1(struct inode *inode, struct file *file)
 
 struct file_operations reg_proc_fops1 = {
        .owner = THIS_MODULE,
-       .open = reg_proc_open1,
+       .open = reg_proc_open,
        .release = reg_proc_close1,
        .write = reg_proc_write1,
-       .read = reg_proc_read1,
+       .read = seq_read,
 };
 #endif
 #if 0/* def CONFIG_MIPI_DSI_LINUX */