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-rw-r--r--doc/driver-model/UDM-block.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/driver-model/UDM-block.txt b/doc/driver-model/UDM-block.txt
index 5d5c7760176..b42ec69c941 100644
--- a/doc/driver-model/UDM-block.txt
+++ b/doc/driver-model/UDM-block.txt
@@ -93,7 +93,7 @@ I) Overview
uchar ide_read_register(int dev, unsigned int port);
void ide_write_register(int dev, unsigned int port, unsigned char val);
void ide_read_data(int dev, ulong *sect_buf, int words);
- void ide_write_data(int dev, ulong *sect_buf, int words);
+ void ide_write_data(int dev, const ulong *sect_buf, int words);
The first two functions are called from ide_inb()/ide_outb(), and will
default to direct memory access if CONFIG_IDE_AHB is not set, or