From: Jean Delvare Drop the adv7175 register cache, as it is only written to and never read back from. This saves 128 bytes of memory and slightly speeds up the register writes. Signed-off-by: Jean Delvare Cc: "Ronald S. Bultje" Cc: Mauro Carvalho Chehab Cc: Johannes Stezenbach Signed-off-by: Andrew Morton --- drivers/media/video/adv7175.c | 10 ++-------- 1 files changed, 2 insertions(+), 8 deletions(-) diff -puN drivers/media/video/adv7175.c~adv7175-drop-unused-register-cache drivers/media/video/adv7175.c --- devel/drivers/media/video/adv7175.c~adv7175-drop-unused-register-cache 2006-03-13 17:50:36.000000000 -0800 +++ devel-akpm/drivers/media/video/adv7175.c 2006-03-13 17:50:36.000000000 -0800 @@ -68,8 +68,6 @@ MODULE_PARM_DESC(debug, "Debug level (0- /* ----------------------------------------------------------------------- */ struct adv7175 { - unsigned char reg[128]; - int norm; int input; int enable; @@ -95,9 +93,6 @@ adv7175_write (struct i2c_client *client u8 reg, u8 value) { - struct adv7175 *encoder = i2c_get_clientdata(client); - - encoder->reg[reg] = value; return i2c_smbus_write_byte_data(client, reg, value); } @@ -120,7 +115,6 @@ adv7175_write_block (struct i2c_client * * the adapter understands raw I2C */ if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { /* do raw I2C, not smbus compatible */ - struct adv7175 *encoder = i2c_get_clientdata(client); struct i2c_msg msg; u8 block_data[32]; @@ -131,8 +125,8 @@ adv7175_write_block (struct i2c_client * msg.len = 0; block_data[msg.len++] = reg = data[0]; do { - block_data[msg.len++] = - encoder->reg[reg++] = data[1]; + block_data[msg.len++] = data[1]; + reg++; len -= 2; data += 2; } while (len >= 2 && data[0] == reg && _