| Message ID | 20200318150059.21714-5-wsa+renesas@sang-engineering.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | i2c: of: reserve unknown and ancillary addresses | expand |
Hi, On 18/03/20 16:00, Wolfram Sang wrote: > - don't prefix the device if %pOF is provided. That information is > enough. > - move the prefix to pr_fmt > - change prefix from "of_i2c" to "i2c_of" because the code was moved > out of the of-domain long ago > - drop error string for callers of of_i2c_register_device because it > already reports enough (thanks to Tang Bin for the report!) > > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Hi Wolfram, On 18/03/2020 15:00, Wolfram Sang wrote: > - don't prefix the device if %pOF is provided. That information is > enough. > - move the prefix to pr_fmt > - change prefix from "of_i2c" to "i2c_of" because the code was moved > out of the of-domain long ago > - drop error string for callers of of_i2c_register_device because it > already reports enough (thanks to Tang Bin for the report!) > > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> > --- > drivers/i2c/i2c-core-of.c | 18 +++++++----------- > 1 file changed, 7 insertions(+), 11 deletions(-) > > diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c > index 710704cd583e..f2d09ea0d336 100644 > --- a/drivers/i2c/i2c-core-of.c > +++ b/drivers/i2c/i2c-core-of.c > @@ -8,6 +8,8 @@ > * Copyright (C) 2013, 2018 Wolfram Sang <wsa@the-dreams.de> > */ > > +#define pr_fmt(fmt) "i2c_of: " fmt > + > #include <dt-bindings/i2c/i2c.h> > #include <linux/device.h> > #include <linux/err.h> > @@ -28,7 +30,7 @@ int of_i2c_get_board_info(struct device_node *node, struct i2c_board_info *info) > > ret = of_property_read_u32(node, "reg", &addr); > if (ret) { > - pr_err("of_i2c: invalid reg on %pOF\n", node); > + pr_err("invalid reg on %pOF\n", node); > return ret; > } > > @@ -66,7 +68,7 @@ static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap, > struct i2c_board_info info; > int ret; > > - dev_dbg(&adap->dev, "of_i2c: register %pOF\n", node); > + pr_debug("register %pOF\n", node); > > ret = of_i2c_get_board_info(node, &info); > if (ret) > @@ -74,7 +76,7 @@ static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap, > > client = i2c_new_client_device(adap, &info); > if (IS_ERR(client)) > - dev_err(&adap->dev, "of_i2c: Failure registering %pOF\n", node); > + pr_err("failure registering %pOF (%ld)\n", node, PTR_ERR(client)); > > return client; > } > @@ -88,7 +90,7 @@ void of_i2c_register_devices(struct i2c_adapter *adap) > if (!adap->dev.of_node) > return; > > - dev_dbg(&adap->dev, "of_i2c: walking child nodes\n"); > + dev_dbg(&adap->dev, "walking child nodes\n"); > > bus = of_get_child_by_name(adap->dev.of_node, "i2c-bus"); > if (!bus) > @@ -99,12 +101,8 @@ void of_i2c_register_devices(struct i2c_adapter *adap) > continue; > > client = of_i2c_register_device(adap, node); > - if (IS_ERR(client)) { > - dev_err(&adap->dev, > - "Failed to create I2C device for %pOF\n", > - node); > + if (IS_ERR(client)) > of_node_clear_flag(node, OF_POPULATED); > - } > } > > of_node_put(bus); > @@ -243,8 +241,6 @@ static int of_i2c_notify(struct notifier_block *nb, unsigned long action, > > client = of_i2c_register_device(adap, rd->dn); > if (IS_ERR(client)) { > - dev_err(&adap->dev, "failed to create client for '%pOF'\n", > - rd->dn); > put_device(&adap->dev); > of_node_clear_flag(rd->dn, OF_POPULATED); > return notifier_from_errno(PTR_ERR(client)); >
Hi Wolfram, On 15/04/2020 09:17, Kieran Bingham wrote: > Hi Wolfram, > > On 18/03/2020 15:00, Wolfram Sang wrote: >> - don't prefix the device if %pOF is provided. That information is >> enough. >> - move the prefix to pr_fmt >> - change prefix from "of_i2c" to "i2c_of" because the code was moved >> out of the of-domain long ago >> - drop error string for callers of of_i2c_register_device because it >> already reports enough (thanks to Tang Bin for the report!) >> >> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> >> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> > > Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> > >> --- >> drivers/i2c/i2c-core-of.c | 18 +++++++----------- >> 1 file changed, 7 insertions(+), 11 deletions(-) >> >> diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c >> index 710704cd583e..f2d09ea0d336 100644 >> --- a/drivers/i2c/i2c-core-of.c >> +++ b/drivers/i2c/i2c-core-of.c >> @@ -8,6 +8,8 @@ >> * Copyright (C) 2013, 2018 Wolfram Sang <wsa@the-dreams.de> >> */ >> >> +#define pr_fmt(fmt) "i2c_of: " fmt >> + >> #include <dt-bindings/i2c/i2c.h> >> #include <linux/device.h> >> #include <linux/err.h> >> @@ -28,7 +30,7 @@ int of_i2c_get_board_info(struct device_node *node, struct i2c_board_info *info) Perhaps not directly needed by this patch but, at some point will you rename of_i2c_* to i2c_of_* ? >> >> ret = of_property_read_u32(node, "reg", &addr); >> if (ret) { >> - pr_err("of_i2c: invalid reg on %pOF\n", node); >> + pr_err("invalid reg on %pOF\n", node); >> return ret; >> } >> >> @@ -66,7 +68,7 @@ static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap, >> struct i2c_board_info info; >> int ret; >> >> - dev_dbg(&adap->dev, "of_i2c: register %pOF\n", node); >> + pr_debug("register %pOF\n", node); >> >> ret = of_i2c_get_board_info(node, &info); >> if (ret) >> @@ -74,7 +76,7 @@ static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap, >> >> client = i2c_new_client_device(adap, &info); >> if (IS_ERR(client)) >> - dev_err(&adap->dev, "of_i2c: Failure registering %pOF\n", node); >> + pr_err("failure registering %pOF (%ld)\n", node, PTR_ERR(client)); >> >> return client; >> } >> @@ -88,7 +90,7 @@ void of_i2c_register_devices(struct i2c_adapter *adap) >> if (!adap->dev.of_node) >> return; >> >> - dev_dbg(&adap->dev, "of_i2c: walking child nodes\n"); >> + dev_dbg(&adap->dev, "walking child nodes\n"); >> >> bus = of_get_child_by_name(adap->dev.of_node, "i2c-bus"); >> if (!bus) >> @@ -99,12 +101,8 @@ void of_i2c_register_devices(struct i2c_adapter *adap) >> continue; >> >> client = of_i2c_register_device(adap, node); >> - if (IS_ERR(client)) { >> - dev_err(&adap->dev, >> - "Failed to create I2C device for %pOF\n", >> - node); >> + if (IS_ERR(client)) >> of_node_clear_flag(node, OF_POPULATED); >> - } >> } >> >> of_node_put(bus); >> @@ -243,8 +241,6 @@ static int of_i2c_notify(struct notifier_block *nb, unsigned long action, >> >> client = of_i2c_register_device(adap, rd->dn); >> if (IS_ERR(client)) { >> - dev_err(&adap->dev, "failed to create client for '%pOF'\n", >> - rd->dn); >> put_device(&adap->dev); >> of_node_clear_flag(rd->dn, OF_POPULATED); >> return notifier_from_errno(PTR_ERR(client)); >> >
diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c index 710704cd583e..f2d09ea0d336 100644 --- a/drivers/i2c/i2c-core-of.c +++ b/drivers/i2c/i2c-core-of.c @@ -8,6 +8,8 @@ * Copyright (C) 2013, 2018 Wolfram Sang <wsa@the-dreams.de> */ +#define pr_fmt(fmt) "i2c_of: " fmt + #include <dt-bindings/i2c/i2c.h> #include <linux/device.h> #include <linux/err.h> @@ -28,7 +30,7 @@ int of_i2c_get_board_info(struct device_node *node, struct i2c_board_info *info) ret = of_property_read_u32(node, "reg", &addr); if (ret) { - pr_err("of_i2c: invalid reg on %pOF\n", node); + pr_err("invalid reg on %pOF\n", node); return ret; } @@ -66,7 +68,7 @@ static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap, struct i2c_board_info info; int ret; - dev_dbg(&adap->dev, "of_i2c: register %pOF\n", node); + pr_debug("register %pOF\n", node); ret = of_i2c_get_board_info(node, &info); if (ret) @@ -74,7 +76,7 @@ static struct i2c_client *of_i2c_register_device(struct i2c_adapter *adap, client = i2c_new_client_device(adap, &info); if (IS_ERR(client)) - dev_err(&adap->dev, "of_i2c: Failure registering %pOF\n", node); + pr_err("failure registering %pOF (%ld)\n", node, PTR_ERR(client)); return client; } @@ -88,7 +90,7 @@ void of_i2c_register_devices(struct i2c_adapter *adap) if (!adap->dev.of_node) return; - dev_dbg(&adap->dev, "of_i2c: walking child nodes\n"); + dev_dbg(&adap->dev, "walking child nodes\n"); bus = of_get_child_by_name(adap->dev.of_node, "i2c-bus"); if (!bus) @@ -99,12 +101,8 @@ void of_i2c_register_devices(struct i2c_adapter *adap) continue; client = of_i2c_register_device(adap, node); - if (IS_ERR(client)) { - dev_err(&adap->dev, - "Failed to create I2C device for %pOF\n", - node); + if (IS_ERR(client)) of_node_clear_flag(node, OF_POPULATED); - } } of_node_put(bus); @@ -243,8 +241,6 @@ static int of_i2c_notify(struct notifier_block *nb, unsigned long action, client = of_i2c_register_device(adap, rd->dn); if (IS_ERR(client)) { - dev_err(&adap->dev, "failed to create client for '%pOF'\n", - rd->dn); put_device(&adap->dev); of_node_clear_flag(rd->dn, OF_POPULATED); return notifier_from_errno(PTR_ERR(client));