From b3d5496ea5915fa4848fe307af9f7097f312e932 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sat, 2 Apr 2005 20:31:02 +0200 Subject: [PATCH] I2C: Kill address ranges in non-sensors i2c chip drivers Some months ago, you killed the address ranges mechanism from all sensors i2c chip drivers (both the module parameters and the in-code address lists). I think it was a very good move, as the ranges can easily be replaced by individual addresses, and this allowed for significant cleanups in the i2c core (let alone the impressive size shrink for all these drivers). Unfortunately you did not do the same for non-sensors i2c chip drivers. These need the address ranges even less, so we could get rid of the ranges here as well for another significant i2c core cleanup. Here comes a patch which does just that. Since the process is exactly the same as what you did for the other drivers set already, I did not split this one in parts. A documentation update is included. The change saves 308 bytes in the i2c core, and an average 1382 bytes for chip drivers which use I2C_CLIENT_INSMOD, 126 bytes for those which do not. This change is required if we want to merge the sensors and non-sensors i2c code (and we want to do this). Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman Index: gregkh-2.6/Documentation/i2c/writing-clients =================================================================== --- drivers/media/video/saa7110.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'drivers/media/video/saa7110.c') diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c index 64273b43853..90b0a0b34f3 100644 --- a/drivers/media/video/saa7110.c +++ b/drivers/media/video/saa7110.c @@ -463,21 +463,15 @@ static unsigned short normal_i2c[] = { (I2C_SAA7110 >> 1) + 1, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short probe_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore_range[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .normal_i2c_range = normal_i2c_range, .probe = probe, - .probe_range = probe_range, .ignore = ignore, - .ignore_range = ignore_range, .force = force }; -- cgit v1.2.3 From 68cc9d0b714d7d533c0cfc257a62f7f7f4f22a11 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sat, 2 Apr 2005 20:04:41 +0200 Subject: [PATCH] I2C: Merge unused address lists in some video drivers On top of my previous patch which removes the use of address ranges in video i2c drivers, this one can save an additional few bytes of memory. Most of these drivers which do not use I2C_CLIENT_INSMOD initialize the unused address lists in a less than optimal way. This patch simply optimizes this, by using a single one-element list instead of 3 different lists with two elements each. This saves an average 63 bytes on these drivers. Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman diff -ruN linux-2.6.12-rc1-bk5.orig/drivers/media/video/adv7170.c linux-2.6.12-rc1-bk5/drivers/media/video/adv7170.c --- drivers/media/video/saa7110.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'drivers/media/video/saa7110.c') diff --git a/drivers/media/video/saa7110.c b/drivers/media/video/saa7110.c index 90b0a0b34f3..22d055d8a69 100644 --- a/drivers/media/video/saa7110.c +++ b/drivers/media/video/saa7110.c @@ -464,15 +464,13 @@ static unsigned short normal_i2c[] = { I2C_CLIENT_END }; -static unsigned short probe[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short ignore[2] = { I2C_CLIENT_END, I2C_CLIENT_END }; -static unsigned short force[2] = { I2C_CLIENT_END , I2C_CLIENT_END }; +static unsigned short ignore = I2C_CLIENT_END; static struct i2c_client_address_data addr_data = { .normal_i2c = normal_i2c, - .probe = probe, - .ignore = ignore, - .force = force + .probe = &ignore, + .ignore = &ignore, + .force = &ignore, }; static struct i2c_driver i2c_driver_saa7110; -- cgit v1.2.3