From c454dee21d589476608957ca4f57feaabde62fab Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Mon, 13 Apr 2009 17:02:13 +0200 Subject: i2c-algo-pca: Fix use of uninitialized variable in debug message A recent change broke debugging of pca_xfer(), fix it. Reported-by: Geert Uytterhoeven Signed-off-by: Jean Delvare Acked-by: Wolfram Sang --- drivers/i2c/algos/i2c-algo-pca.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index f68e5f8e23e..6318f7ddc1d 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -190,7 +190,7 @@ static int pca_xfer(struct i2c_adapter *i2c_adap, int completed = 1; unsigned long timeout = jiffies + i2c_adap->timeout; - while (pca_status(adap) != 0xf8) { + while ((state = pca_status(adap)) != 0xf8) { if (time_before(jiffies, timeout)) { msleep(10); } else { -- cgit From 3f307fb37a6dd65b7eabda9c6208a9bd161dc16e Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Mon, 13 Apr 2009 17:02:13 +0200 Subject: i2c-voodoo3: Deprecate in favor of tdfxfb Support for I2C/DDC was recently added to the tdfxfb driver, which means that the i2c-voodoo3 driver can be deprecated. Signed-off-by: Jean Delvare Cc: Krzysztof Helt --- Documentation/feature-removal-schedule.txt | 9 +++++++++ drivers/i2c/busses/Kconfig | 6 ++++-- 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 7e2af10e826..de491a3e231 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -428,3 +428,12 @@ Why: In 2.6.27, the semantics of /sys/bus/pci/slots was redefined to After a reasonable transition period, we will remove the legacy fakephp interface. Who: Alex Chiang + +--------------------------- + +What: i2c-voodoo3 driver +When: October 2009 +Why: Superseded by tdfxfb. I2C/DDC support used to live in a separate + driver but this caused driver conflicts. +Who: Jean Delvare + Krzysztof Helt diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 94eae5c3cbc..a48c8aee021 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -604,12 +604,14 @@ comment "Graphics adapter I2C/DDC channel drivers" depends on PCI config I2C_VOODOO3 - tristate "Voodoo 3" + tristate "Voodoo 3 (DEPRECATED)" depends on PCI select I2C_ALGOBIT help If you say yes to this option, support will be included for the - Voodoo 3 I2C interface. + Voodoo 3 I2C interface. This driver is deprecated and you should + use the tdfxfb driver instead, which additionally provides + framebuffer support. This driver can also be built as a module. If so, the module will be called i2c-voodoo3. -- cgit From c758e8cffe3b1bc7970d579371db01b19ff440bf Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Mon, 13 Apr 2009 17:02:14 +0200 Subject: i2c: Fix sparse warnings for I2C_BOARD_INFO() Since the first argument to I2C_BOARD_INFO() must be a string constant, there is no need to parenthesise it, and adding parentheses results in an invalid initialiser for char[]. gcc obviously accepts this syntax as an extension, but sparse complains, e.g.: drivers/net/sfc/boards.c:173:2: warning: array initialized from parenthesized string constant Therefore, remove the parentheses. Signed-off-by: Ben Hutchings Signed-off-by: Jean Delvare --- include/linux/i2c.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 00ee11eb909..ad258059603 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -274,7 +274,7 @@ struct i2c_board_info { * are provided using conventional syntax. */ #define I2C_BOARD_INFO(dev_type, dev_addr) \ - .type = (dev_type), .addr = (dev_addr) + .type = dev_type, .addr = (dev_addr) /* Add-on boards should register/unregister their devices; e.g. a board -- cgit From 935298696f469c0e07c73be687bd055878074ce0 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Mon, 13 Apr 2009 17:02:14 +0200 Subject: i2c: Let new-style drivers implement attach_adapter While it isn't the way the standard device binding model works, it is OK for new-style drivers to implement attach_adapter. It may help convert the renaming legacy drivers to new style drivers faster. Signed-off-by: Jean Delvare Cc: David Brownell --- drivers/i2c/i2c-core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index b6f3a0de6ca..85e2e919d1c 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -716,8 +716,7 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver) /* new style driver methods can't mix with legacy ones */ if (is_newstyle_driver(driver)) { - if (driver->attach_adapter || driver->detach_adapter - || driver->detach_client) { + if (driver->detach_adapter || driver->detach_client) { printk(KERN_WARNING "i2c-core: driver [%s] is confused\n", driver->driver.name); -- cgit