RE: [PATCH v2] Move the definition of pr_err() into kernel.h
From: Medve Emilian-EMMEDVE1
Date: Tue Sep 11 2007 - 15:56:33 EST
> -----Original Message-----
> From: Waskiewicz Jr, Peter P [mailto:peter.p.waskiewicz.jr@xxxxxxxxx]
> Sent: Tuesday, September 11, 2007 2:48 PM
> To: Medve Emilian-EMMEDVE1; linux-kernel@xxxxxxxxxxxxxxx;
> netdev@xxxxxxxxxxxxxxx; i2c@xxxxxxxxxxxxxx;
> linux-omap-open-source@xxxxxxxxxxxxxx
> Subject: RE: [PATCH v2] Move the definition of pr_err() into kernel.h
>
> > Other pr_*() macros are already defined in kernel.h, but
> > pr_err() was defined multiple times in several other places
> >
> > Signed-off-by: Emil Medve <Emilian.Medve@xxxxxxxxxxxxx>
> > ---
> >
> > I'm writing a driver and I've been using the pr_*() macros
> > from kernel.h and I was surprised not to find there pr_err()
> > but defined multiple times (in four different files). I
> > didn't want to define it yet one more time so I did this cleanup
> >
> > This patch is against Linus' tree v2.6.23-rc6
> > (0d4cbb5e7f60b2f1a4d8b7f6ea4cc264262c7a01)
> >
> > linux-2.6> scripts/checkpatch.pl
> > 0001-Move-the-definition-of-pr_err-into-kernel.h.patch
> > Your patch has no obvious style problems and is ready for
> submission.
>
> Almost. :-)
>
> >
> > drivers/i2c/chips/menelaus.c | 10 ++++------
> > drivers/net/spider_net.h | 3 ---
> > drivers/video/omap/lcd_h3.c | 6 ++----
> > drivers/video/omap/lcd_inn1610.c | 6 ++----
> > include/linux/kernel.h | 2 ++
> > 5 files changed, 10 insertions(+), 17 deletions(-)
> >
> > diff --git a/drivers/i2c/chips/menelaus.c
> > b/drivers/i2c/chips/menelaus.c index d9c92c5..66436ba 100644
> > --- a/drivers/i2c/chips/menelaus.c
> > +++ b/drivers/i2c/chips/menelaus.c
> > @@ -49,8 +49,6 @@
> >
> > #define DRIVER_NAME "menelaus"
> >
> > -#define pr_err(fmt, arg...) printk(KERN_ERR DRIVER_NAME ":
> > ", ## arg);
> > -
>
> Unnecessary whitespace removal.
You mean the empty line after the macro definition? If I leave it then
there will be two empty lines in the final file: the one you don't want
me to remove and the one before the macro definition.
>
> > #define MENELAUS_I2C_ADDRESS 0x72
> >
> > #define MENELAUS_REV 0x01
> > @@ -155,7 +153,7 @@ static int menelaus_write_reg(int reg, u8 value)
> > int val =
> > i2c_smbus_write_byte_data(the_menelaus->client, reg, value);
> >
> > if (val < 0) {
> > - pr_err("write error");
> > + pr_err(DRIVER_NAME ": write error");
> > return val;
> > }
> >
> > @@ -167,7 +165,7 @@ static int menelaus_read_reg(int reg)
> > int val = i2c_smbus_read_byte_data(the_menelaus->client, reg);
> >
> > if (val < 0)
> > - pr_err("read error");
> > + pr_err(DRIVER_NAME ": read error");
> >
> > return val;
> > }
> > @@ -1177,7 +1175,7 @@ static int menelaus_probe(struct
> > i2c_client *client)
> > /* If a true probe check the device */
> > rev = menelaus_read_reg(MENELAUS_REV);
> > if (rev < 0) {
> > - pr_err("device not found");
> > + pr_err(DRIVER_NAME ": device not found");
> > err = -ENODEV;
> > goto fail1;
> > }
> > @@ -1258,7 +1256,7 @@ static int __init menelaus_init(void)
> >
> > res = i2c_add_driver(&menelaus_i2c_driver);
> > if (res < 0) {
> > - pr_err("driver registration failed\n");
> > + pr_err(DRIVER_NAME ": driver registration failed\n");
> > return res;
> > }
> >
> > diff --git a/drivers/net/spider_net.h
> > b/drivers/net/spider_net.h index dbbdb8c..c67b11d 100644
> > --- a/drivers/net/spider_net.h
> > +++ b/drivers/net/spider_net.h
> > @@ -493,7 +493,4 @@ struct spider_net_card {
> > struct spider_net_descr darray[0];
> > };
> >
> > -#define pr_err(fmt,arg...) \
> > - printk(KERN_ERR fmt ,##arg)
> > -
>
> Unnecessary whitespace removal.
>
> > #endif
> > diff --git a/drivers/video/omap/lcd_h3.c
> > b/drivers/video/omap/lcd_h3.c index 51807b4..c604d93 100644
> > --- a/drivers/video/omap/lcd_h3.c
> > +++ b/drivers/video/omap/lcd_h3.c
> > @@ -28,8 +28,6 @@
> >
> > #define MODULE_NAME "omapfb-lcd_h3"
> >
> > -#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ":
> > " fmt, ## args)
> > -
>
> Unnecessary whitespace removal.
>
> > static int h3_panel_init(struct lcd_panel *panel, struct
> > omapfb_device *fbdev) {
> > return 0;
> > @@ -48,7 +46,7 @@ static int h3_panel_enable(struct
> lcd_panel *panel)
> > if (!r)
> > r = tps65010_set_gpio_out_value(GPIO2, HIGH);
> > if (r)
> > - pr_err("Unable to turn on LCD panel\n");
> > + pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");
> >
> > return r;
> > }
> > @@ -62,7 +60,7 @@ static void h3_panel_disable(struct
> > lcd_panel *panel)
> > if (!r)
> > tps65010_set_gpio_out_value(GPIO2, LOW);
> > if (r)
> > - pr_err("Unable to turn off LCD panel\n");
> > + pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
> > }
> >
> > static unsigned long h3_panel_get_caps(struct lcd_panel
> > *panel) diff --git a/drivers/video/omap/lcd_inn1610.c
> > b/drivers/video/omap/lcd_inn1610.c
> > index 95604ca..5ef119c 100644
> > --- a/drivers/video/omap/lcd_inn1610.c
> > +++ b/drivers/video/omap/lcd_inn1610.c
> > @@ -27,20 +27,18 @@
> >
> > #define MODULE_NAME "omapfb-lcd_h3"
> >
> > -#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ":
> > " fmt, ## args)
> > -
>
> Unnecessary whitespace removal.
>
> > static int innovator1610_panel_init(struct lcd_panel *panel,
> > struct omapfb_device *fbdev)
> > {
> > int r = 0;
> >
> > if (omap_request_gpio(14)) {
> > - pr_err("can't request GPIO 14\n");
> > + pr_err(MODULE_NAME ": can't request GPIO 14\n");
> > r = -1;
> > goto exit;
> > }
> > if (omap_request_gpio(15)) {
> > - pr_err("can't request GPIO 15\n");
> > + pr_err(MODULE_NAME ": can't request GPIO 15\n");
> > omap_free_gpio(14);
> > r = -1;
> > goto exit;
> > diff --git a/include/linux/kernel.h b/include/linux/kernel.h
> > index f592df7..c51936a 100644
> > --- a/include/linux/kernel.h
> > +++ b/include/linux/kernel.h
> > @@ -242,6 +242,8 @@ static inline int __attribute__ ((format
> > (printf, 1, 2))) pr_debug(const char *
> >
> > #define pr_info(fmt,arg...) \
> > printk(KERN_INFO fmt,##arg)
> > +#define pr_err(fmt, arg...) \
> > + printk(KERN_ERR fmt, ##arg)
> >
> > /*
> > * Display an IP address in readable format.
> > --
> > 1.5.3.GIT
>
> Cheers,
>
> -PJ Waskiewicz
> Intel Corp.
> peter.p.waskiewicz.jr@xxxxxxxxx
Thanks,
Emil.
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