| Message ID | 20240627124313.1811-2-wsa+renesas@sang-engineering.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | i2c: add debug message for detected HostNotify alerts | expand |
Hi Wolfram, On Thu, Jun 27, 2024 at 02:43:14PM GMT, Wolfram Sang wrote: > Setting up HostNotify can be tricky. Support debugging by stating > whenever we received a HostNotify alert independent of the irq being > mapped. Especially useful with the in-kernel i2c testunit. > > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Thanks, Andi
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index db0d1ac82910..b94594e90a66 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1468,6 +1468,8 @@ int i2c_handle_smbus_host_notify(struct i2c_adapter *adap, unsigned short addr) if (!adap) return -EINVAL; + dev_dbg(&adap->dev, "Detected HostNotify from address 0x%02x", addr); + irq = irq_find_mapping(adap->host_notify_domain, addr); if (irq <= 0) return -ENXIO;
Setting up HostNotify can be tricky. Support debugging by stating whenever we received a HostNotify alert independent of the irq being mapped. Especially useful with the in-kernel i2c testunit. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- drivers/i2c/i2c-core-base.c | 2 ++ 1 file changed, 2 insertions(+)