On 2021/7/22 23:35, Wolfram Sang wrote:
Hi,
so only minor stuff left from my side.
@@ -21,6 +21,17 @@ config I2C_ALI1535
This driver can also be built as a module. If so, the module
will be called i2c-ali1535.
+config I2C_VIRTIO
+ tristate "Virtio I2C Adapter"
+ select VIRTIO
+ help
+ If you say yes to this option, support will be included for the virtio
+ I2C adapter driver. The hardware can be emulated by any device model
+ software according to the virtio protocol.
+
+ This driver can also be built as a module. If so, the module
+ will be called i2c-virtio.
+
config I2C_ALI1563
tristate "ALI 1563"
depends on PCI
The sorting is not good. I think your entry should go to the bottom of
the Kconfig file.
OK. I will move it to the bottom.
diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
index 69e9963..9843756 100644
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -147,4 +147,7 @@ obj-$(CONFIG_I2C_XGENE_SLIMPRO) += i2c-xgene-slimpro.o
obj-$(CONFIG_SCx200_ACB) += scx200_acb.o
obj-$(CONFIG_I2C_FSI) += i2c-fsi.o
+# VIRTIO I2C host controller driver
This comment can go, I'd say.
I will remove this line. Thank you.
+obj-$(CONFIG_I2C_VIRTIO) += i2c-virtio.o
+
ccflags-$(CONFIG_I2C_DEBUG_BUS) := -DDEBUG
+ /*
+ * We don't support 0 length messages and so masked out
+ * I2C_FUNC_SMBUS_QUICK in virtio_i2c_func().
+ */
+ if (!msgs[i].len)
+ break;
I recommend using struct i2c_adapter_quirks with I2C_AQ_NO_ZERO_LEN. But
let's wait first if zero length are possible or not.
I think we can add an i2c_adapter_quirks for this moment. Support for
I2C_FUNC_SMBUS_QUICK
can be added incrementally if needed.
Also, checkpatch:
WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
So, is one of you interested in maintaining this driver?
All the best,
Wolfram
I will play this role. I see Viresh also spend a lot of time on this driver.
So I'd like to ask Viresh, are you willing to be a co-maintainer ?
Regards,
Jie
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