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authorClaudio Mignanti <c.mignanti@gmail.com>2009-10-06 09:20:30 +0000
committerClaudio Mignanti <c.mignanti@gmail.com>2009-10-06 09:20:30 +0000
commit4b724681e04edce7a9226a9fb4a67f5f8a3e78ca (patch)
tree5e5521125d78569ae61d9c9683f542bfff3433f9 /target/linux/etrax/patches-2.6.30
parent3c5feca158992672c3d77682ca72da813496a9dc (diff)
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Improve i2c driver slave delay, thanks to Fabrizio Sciarra that provide it * support for master/slave delay (provided patch) * remove some printk that spam logs * introduce new symbols ETRAX_I2C_DYN_ALLOC and ETRAX_I2C_SLAVE_DELAY * cleanup a bit the driver * dump release number
SVN-Revision: 17954
Diffstat (limited to 'target/linux/etrax/patches-2.6.30')
-rw-r--r--target/linux/etrax/patches-2.6.30/500-i2c_gvc.patch29
1 files changed, 23 insertions, 6 deletions
diff --git a/target/linux/etrax/patches-2.6.30/500-i2c_gvc.patch b/target/linux/etrax/patches-2.6.30/500-i2c_gvc.patch
index dc63165c5e..115fd1c9b9 100644
--- a/target/linux/etrax/patches-2.6.30/500-i2c_gvc.patch
+++ b/target/linux/etrax/patches-2.6.30/500-i2c_gvc.patch
@@ -1,6 +1,8 @@
---- a/arch/cris/arch-v10/drivers/Kconfig
-+++ b/arch/cris/arch-v10/drivers/Kconfig
-@@ -450,11 +450,18 @@ config ETRAX_I2C
+Index: linux-2.6.30.8/arch/cris/arch-v10/drivers/Kconfig
+===================================================================
+--- linux-2.6.30.8.orig/arch/cris/arch-v10/drivers/Kconfig 2009-10-02 11:31:49.000000000 +0200
++++ linux-2.6.30.8/arch/cris/arch-v10/drivers/Kconfig 2009-10-06 10:36:23.000000000 +0200
+@@ -450,11 +450,31 @@
i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
@@ -11,6 +13,19 @@
+ help
+ Enables an I2C driver with Geert Vancompernolle improvement.
+
++config ETRAX_I2C_SLAVE_DELAY
++ bool "I2C Slave delay support"
++ depends on ETRAX_I2C_GVC && EXPERIMENTAL
++ help
++ Enable this to enhanced master/slave dialog
++ Improvement by Positive Going (www.positivegoing.it) and BK srl (www.b-k.it)
++
++config ETRAX_I2C_DYN_ALLOC
++ bool "I2C major device dynamic alloc"
++ depends on ETRAX_I2C_GVC && EXPERIMENTAL
++ help
++ Enable this to dynamicaly alloc major i2c device number
++
# this is true for most products since PB-I2C seems to be somewhat
# flawed..
config ETRAX_I2C_USES_PB_NOT_PB_I2C
@@ -20,7 +35,7 @@
help
Select whether to use the special I2C mode in the PB I/O register or
not. This option needs to be selected in order to use some drivers
-@@ -478,7 +485,7 @@ config ETRAX_I2C_CLK_PORT
+@@ -478,7 +498,7 @@
config ETRAX_I2C_EEPROM
bool "I2C EEPROM (non-volatile RAM) support"
@@ -29,8 +44,10 @@
help
Enables I2C EEPROM (non-volatile RAM) on PB0 and PB1 using the I2C
driver. Select size option: Probed, 2k, 8k, 16k.
---- a/arch/cris/arch-v10/drivers/Makefile
-+++ b/arch/cris/arch-v10/drivers/Makefile
+Index: linux-2.6.30.8/arch/cris/arch-v10/drivers/Makefile
+===================================================================
+--- linux-2.6.30.8.orig/arch/cris/arch-v10/drivers/Makefile 2009-10-02 11:31:14.000000000 +0200
++++ linux-2.6.30.8/arch/cris/arch-v10/drivers/Makefile 2009-10-02 11:31:50.000000000 +0200
@@ -4,6 +4,7 @@
obj-$(CONFIG_ETRAX_AXISFLASHMAP) += axisflashmap.o