The below checkpatch warnings was fixed,
- WARNING: Prefer pr_debug(... to printk(KERN_DEBUG, ...
- WARNING: Prefer pr_warn(... to printk(KERN_WARNING, ...
- WARNING: Prefer pr_info(... to printk(KERN_INFO, ...
- WARNING: Prefer pr_err(... to printk(KERN_ERR, ...
And added pr_fmt.
Signed-off-by: Toshiaki Yamane <[email protected]>
---
drivers/staging/olpc_dcon/olpc_dcon.c | 53 ++++++++++++--------------
drivers/staging/olpc_dcon/olpc_dcon_xo_1.c | 15 ++++---
drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c | 6 ++-
3 files changed, 37 insertions(+), 37 deletions(-)
diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c
index 992275c..280751a 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon.c
@@ -11,6 +11,7 @@
* License as published by the Free Software Foundation.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/fb.h>
@@ -71,18 +72,16 @@ static int dcon_hw_init(struct dcon_priv *dcon, int is_init)
ver = dcon_read(dcon, DCON_REG_ID);
if ((ver >> 8) != 0xDC) {
- printk(KERN_ERR "olpc-dcon: DCON ID not 0xDCxx: 0x%04x instead.\n",
- ver);
+ pr_err("DCON ID not 0xDCxx: 0x%04x instead.\n", ver);
rc = -ENXIO;
goto err;
}
if (is_init) {
- printk(KERN_INFO "olpc-dcon: Discovered DCON version %x\n",
- ver & 0xFF);
+ pr_info("Discovered DCON version %x\n", ver & 0xFF);
rc = pdata->init(dcon);
if (rc != 0) {
- printk(KERN_ERR "olpc-dcon: Unable to init.\n");
+ pr_err("Unable to init.\n");
goto err;
}
}
@@ -136,8 +135,7 @@ power_up:
x = 1;
x = olpc_ec_cmd(0x26, (unsigned char *)&x, 1, NULL, 0);
if (x) {
- printk(KERN_WARNING "olpc-dcon: unable to force dcon to power up: %d!\n",
- x);
+ pr_warn("unable to force dcon to power up: %d!\n", x);
return x;
}
msleep(10); /* we'll be conservative */
@@ -150,7 +148,7 @@ power_up:
x = dcon_read(dcon, DCON_REG_ID);
}
if (x < 0) {
- printk(KERN_ERR "olpc-dcon: unable to stabilize dcon's smbus, reasserting power and praying.\n");
+ pr_err("unable to stabilize dcon's smbus, reasserting power and praying.\n");
BUG_ON(olpc_board_at_least(olpc_board(0xc2)));
x = 0;
olpc_ec_cmd(0x26, (unsigned char *)&x, 1, NULL, 0);
@@ -221,8 +219,7 @@ static void dcon_sleep(struct dcon_priv *dcon, bool sleep)
x = 0;
x = olpc_ec_cmd(0x26, (unsigned char *)&x, 1, NULL, 0);
if (x)
- printk(KERN_WARNING "olpc-dcon: unable to force dcon to power down: %d!\n",
- x);
+ pr_warn("unable to force dcon to power down: %d!\n", x);
else
dcon->asleep = sleep;
} else {
@@ -231,8 +228,7 @@ static void dcon_sleep(struct dcon_priv *dcon, bool sleep)
dcon->disp_mode |= MODE_BL_ENABLE;
x = dcon_bus_stabilize(dcon, 1);
if (x)
- printk(KERN_WARNING "olpc-dcon: unable to reinit dcon hardware: %d!\n",
- x);
+ pr_warn("unable to reinit dcon hardware: %d!\n", x);
else
dcon->asleep = sleep;
@@ -303,12 +299,11 @@ static void dcon_source_switch(struct work_struct *work)
switch (source) {
case DCON_SOURCE_CPU:
- printk(KERN_INFO "dcon_source_switch to CPU\n");
+ pr_info("dcon_source_switch to CPU\n");
/* Enable the scanline interrupt bit */
if (dcon_write(dcon, DCON_REG_MODE,
dcon->disp_mode | MODE_SCAN_INT))
- printk(KERN_ERR
- "olpc-dcon: couldn't enable scanline interrupt!\n");
+ pr_err("couldn't enable scanline interrupt!\n");
else {
/* Wait up to one second for the scanline interrupt */
wait_event_timeout(dcon_wait_queue,
@@ -316,11 +311,11 @@ static void dcon_source_switch(struct work_struct *work)
}
if (!dcon->switched)
- printk(KERN_ERR "olpc-dcon: Timeout entering CPU mode; expect a screen glitch.\n");
+ pr_err("Timeout entering CPU mode; expect a screen glitch.\n");
/* Turn off the scanline interrupt */
if (dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode))
- printk(KERN_ERR "olpc-dcon: couldn't disable scanline interrupt!\n");
+ pr_err("couldn't disable scanline interrupt!\n");
/*
* Ideally we'd like to disable interrupts here so that the
@@ -331,7 +326,7 @@ static void dcon_source_switch(struct work_struct *work)
* For now, we just hope..
*/
if (!dcon_blank_fb(dcon, false)) {
- printk(KERN_ERR "olpc-dcon: Failed to enter CPU mode\n");
+ pr_err("Failed to enter CPU mode\n");
dcon->pending_src = DCON_SOURCE_DCON;
return;
}
@@ -340,14 +335,14 @@ static void dcon_source_switch(struct work_struct *work)
pdata->set_dconload(1);
getnstimeofday(&dcon->load_time);
- printk(KERN_INFO "olpc-dcon: The CPU has control\n");
+ pr_info("The CPU has control\n");
break;
case DCON_SOURCE_DCON:
{
int t;
struct timespec delta_t;
- printk(KERN_INFO "dcon_source_switch to DCON\n");
+ pr_info("dcon_source_switch to DCON\n");
add_wait_queue(&dcon_wait_queue, &wait);
set_current_state(TASK_UNINTERRUPTIBLE);
@@ -361,7 +356,7 @@ static void dcon_source_switch(struct work_struct *work)
set_current_state(TASK_RUNNING);
if (!dcon->switched) {
- printk(KERN_ERR "olpc-dcon: Timeout entering DCON mode; expect a screen glitch.\n");
+ pr_err("Timeout entering DCON mode; expect a screen glitch.\n");
} else {
/* sometimes the DCON doesn't follow its own rules,
* and doesn't wait for two vsync pulses before
@@ -377,7 +372,7 @@ static void dcon_source_switch(struct work_struct *work)
delta_t = timespec_sub(dcon->irq_time, dcon->load_time);
if (dcon->switched && delta_t.tv_sec == 0 &&
delta_t.tv_nsec < NSEC_PER_MSEC * 20) {
- printk(KERN_ERR "olpc-dcon: missed loading, retrying\n");
+ pr_err("missed loading, retrying\n");
pdata->set_dconload(1);
mdelay(41);
pdata->set_dconload(0);
@@ -387,7 +382,7 @@ static void dcon_source_switch(struct work_struct *work)
}
dcon_blank_fb(dcon, true);
- printk(KERN_INFO "olpc-dcon: The DCON has control\n");
+ pr_info("The DCON has control\n");
break;
}
default:
@@ -475,7 +470,7 @@ static ssize_t dcon_freeze_store(struct device *dev,
if (ret)
return ret;
- printk(KERN_INFO "dcon_freeze_store: %lu\n", output);
+ pr_info("dcon_freeze_store: %lu\n", output);
switch (output) {
case 0:
@@ -649,7 +644,7 @@ static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id)
dcon_device = platform_device_alloc("dcon", -1);
if (dcon_device == NULL) {
- printk(KERN_ERR "dcon: Unable to create the DCON device\n");
+ pr_err("Unable to create the DCON device\n");
rc = -ENOMEM;
goto eirq;
}
@@ -657,7 +652,7 @@ static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id)
platform_set_drvdata(dcon_device, dcon);
if (rc) {
- printk(KERN_ERR "dcon: Unable to add the DCON device\n");
+ pr_err("Unable to add the DCON device\n");
goto edev;
}
@@ -761,7 +756,7 @@ irqreturn_t dcon_interrupt(int irq, void *id)
switch (status & 3) {
case 3:
- printk(KERN_DEBUG "olpc-dcon: DCONLOAD_MISSED interrupt\n");
+ pr_debug("DCONLOAD_MISSED interrupt\n");
break;
case 2: /* switch to DCON mode */
@@ -783,9 +778,9 @@ irqreturn_t dcon_interrupt(int irq, void *id)
dcon->switched = true;
getnstimeofday(&dcon->irq_time);
wake_up(&dcon_wait_queue);
- printk(KERN_DEBUG "olpc-dcon: switching w/ status 0/0\n");
+ pr_debug("switching w/ status 0/0\n");
} else {
- printk(KERN_DEBUG "olpc-dcon: scanline interrupt w/CPU\n");
+ pr_debug("scanline interrupt w/CPU\n");
}
}
diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c
index c87fdfa..77e8eb5 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c
@@ -10,6 +10,9 @@
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/cs5535.h>
#include <linux/gpio.h>
#include <linux/delay.h>
@@ -22,23 +25,23 @@ static int dcon_init_xo_1(struct dcon_priv *dcon)
unsigned char lob;
if (gpio_request(OLPC_GPIO_DCON_STAT0, "OLPC-DCON")) {
- printk(KERN_ERR "olpc-dcon: failed to request STAT0 GPIO\n");
+ pr_err("failed to request STAT0 GPIO\n");
return -EIO;
}
if (gpio_request(OLPC_GPIO_DCON_STAT1, "OLPC-DCON")) {
- printk(KERN_ERR "olpc-dcon: failed to request STAT1 GPIO\n");
+ pr_err("failed to request STAT1 GPIO\n");
goto err_gp_stat1;
}
if (gpio_request(OLPC_GPIO_DCON_IRQ, "OLPC-DCON")) {
- printk(KERN_ERR "olpc-dcon: failed to request IRQ GPIO\n");
+ pr_err("failed to request IRQ GPIO\n");
goto err_gp_irq;
}
if (gpio_request(OLPC_GPIO_DCON_LOAD, "OLPC-DCON")) {
- printk(KERN_ERR "olpc-dcon: failed to request LOAD GPIO\n");
+ pr_err("failed to request LOAD GPIO\n");
goto err_gp_load;
}
if (gpio_request(OLPC_GPIO_DCON_BLANK, "OLPC-DCON")) {
- printk(KERN_ERR "olpc-dcon: failed to request BLANK GPIO\n");
+ pr_err("failed to request BLANK GPIO\n");
goto err_gp_blank;
}
@@ -83,7 +86,7 @@ static int dcon_init_xo_1(struct dcon_priv *dcon)
/* Register the interrupt handler */
if (request_irq(DCON_IRQ, &dcon_interrupt, 0, "DCON", dcon)) {
- printk(KERN_ERR "olpc-dcon: failed to request DCON's irq\n");
+ pr_err("failed to request DCON's irq\n");
goto err_req_irq;
}
diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c
index 69415ee..352dd3d 100644
--- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c
+++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c
@@ -6,6 +6,8 @@
* License as published by the Free Software Foundation.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/acpi.h>
#include <linux/delay.h>
#include <linux/pci.h>
@@ -66,7 +68,7 @@ static int dcon_init_xo_1_5(struct dcon_priv *dcon)
pdev = pci_get_device(PCI_VENDOR_ID_VIA,
PCI_DEVICE_ID_VIA_VX855, NULL);
if (!pdev) {
- printk(KERN_ERR "cannot find VX855 PCI ID\n");
+ pr_err("cannot find VX855 PCI ID\n");
return 1;
}
@@ -104,7 +106,7 @@ static int dcon_init_xo_1_5(struct dcon_priv *dcon)
/* we're sharing the IRQ with ACPI */
irq = acpi_gbl_FADT.sci_interrupt;
if (request_irq(irq, &dcon_interrupt, IRQF_SHARED, "DCON", dcon)) {
- printk(KERN_ERR PREFIX "DCON (IRQ%d) allocation failed\n", irq);
+ pr_err("DCON (IRQ%d) allocation failed\n", irq);
return 1;
}
--
1.7.5.4
Looks good to me, thanks.
Acked-by: Andres Salomon <[email protected]>
On Fri, 17 Aug 2012 14:37:21 +0900
Toshiaki Yamane <[email protected]> wrote:
> The below checkpatch warnings was fixed,
>
> - WARNING: Prefer pr_debug(... to printk(KERN_DEBUG, ...
> - WARNING: Prefer pr_warn(... to printk(KERN_WARNING, ...
> - WARNING: Prefer pr_info(... to printk(KERN_INFO, ...
> - WARNING: Prefer pr_err(... to printk(KERN_ERR, ...
>
> And added pr_fmt.
>
> Signed-off-by: Toshiaki Yamane <[email protected]>
> ---
> drivers/staging/olpc_dcon/olpc_dcon.c | 53
> ++++++++++++--------------
> drivers/staging/olpc_dcon/olpc_dcon_xo_1.c | 15 ++++---
> drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c | 6 ++- 3 files
> changed, 37 insertions(+), 37 deletions(-)
>
> diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c
> b/drivers/staging/olpc_dcon/olpc_dcon.c index 992275c..280751a 100644
> --- a/drivers/staging/olpc_dcon/olpc_dcon.c
> +++ b/drivers/staging/olpc_dcon/olpc_dcon.c
> @@ -11,6 +11,7 @@
> * License as published by the Free Software Foundation.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
>
> #include <linux/kernel.h>
> #include <linux/fb.h>
> @@ -71,18 +72,16 @@ static int dcon_hw_init(struct dcon_priv *dcon,
> int is_init)
> ver = dcon_read(dcon, DCON_REG_ID);
> if ((ver >> 8) != 0xDC) {
> - printk(KERN_ERR "olpc-dcon: DCON ID not 0xDCxx:
> 0x%04x instead.\n",
> - ver);
> + pr_err("DCON ID not 0xDCxx: 0x%04x instead.\n", ver);
> rc = -ENXIO;
> goto err;
> }
>
> if (is_init) {
> - printk(KERN_INFO "olpc-dcon: Discovered DCON
> version %x\n",
> - ver & 0xFF);
> + pr_info("Discovered DCON version %x\n", ver & 0xFF);
> rc = pdata->init(dcon);
> if (rc != 0) {
> - printk(KERN_ERR "olpc-dcon: Unable to
> init.\n");
> + pr_err("Unable to init.\n");
> goto err;
> }
> }
> @@ -136,8 +135,7 @@ power_up:
> x = 1;
> x = olpc_ec_cmd(0x26, (unsigned char *)&x, 1, NULL,
> 0); if (x) {
> - printk(KERN_WARNING "olpc-dcon: unable to
> force dcon to power up: %d!\n",
> - x);
> + pr_warn("unable to force dcon to power up:
> %d!\n", x); return x;
> }
> msleep(10); /* we'll be conservative */
> @@ -150,7 +148,7 @@ power_up:
> x = dcon_read(dcon, DCON_REG_ID);
> }
> if (x < 0) {
> - printk(KERN_ERR "olpc-dcon: unable to stabilize
> dcon's smbus, reasserting power and praying.\n");
> + pr_err("unable to stabilize dcon's smbus,
> reasserting power and praying.\n");
> BUG_ON(olpc_board_at_least(olpc_board(0xc2))); x = 0;
> olpc_ec_cmd(0x26, (unsigned char *)&x, 1, NULL, 0);
> @@ -221,8 +219,7 @@ static void dcon_sleep(struct dcon_priv *dcon,
> bool sleep) x = 0;
> x = olpc_ec_cmd(0x26, (unsigned char *)&x, 1, NULL,
> 0); if (x)
> - printk(KERN_WARNING "olpc-dcon: unable to
> force dcon to power down: %d!\n",
> - x);
> + pr_warn("unable to force dcon to power down:
> %d!\n", x); else
> dcon->asleep = sleep;
> } else {
> @@ -231,8 +228,7 @@ static void dcon_sleep(struct dcon_priv *dcon,
> bool sleep) dcon->disp_mode |= MODE_BL_ENABLE;
> x = dcon_bus_stabilize(dcon, 1);
> if (x)
> - printk(KERN_WARNING "olpc-dcon: unable to
> reinit dcon hardware: %d!\n",
> - x);
> + pr_warn("unable to reinit dcon hardware:
> %d!\n", x); else
> dcon->asleep = sleep;
>
> @@ -303,12 +299,11 @@ static void dcon_source_switch(struct
> work_struct *work)
> switch (source) {
> case DCON_SOURCE_CPU:
> - printk(KERN_INFO "dcon_source_switch to CPU\n");
> + pr_info("dcon_source_switch to CPU\n");
> /* Enable the scanline interrupt bit */
> if (dcon_write(dcon, DCON_REG_MODE,
> dcon->disp_mode | MODE_SCAN_INT))
> - printk(KERN_ERR
> - "olpc-dcon: couldn't enable scanline
> interrupt!\n");
> + pr_err("couldn't enable scanline
> interrupt!\n"); else {
> /* Wait up to one second for the scanline
> interrupt */ wait_event_timeout(dcon_wait_queue,
> @@ -316,11 +311,11 @@ static void dcon_source_switch(struct
> work_struct *work) }
>
> if (!dcon->switched)
> - printk(KERN_ERR "olpc-dcon: Timeout
> entering CPU mode; expect a screen glitch.\n");
> + pr_err("Timeout entering CPU mode; expect a
> screen glitch.\n");
> /* Turn off the scanline interrupt */
> if (dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode))
> - printk(KERN_ERR "olpc-dcon: couldn't
> disable scanline interrupt!\n");
> + pr_err("couldn't disable scanline
> interrupt!\n");
> /*
> * Ideally we'd like to disable interrupts here so
> that the @@ -331,7 +326,7 @@ static void dcon_source_switch(struct
> work_struct *work)
> * For now, we just hope..
> */
> if (!dcon_blank_fb(dcon, false)) {
> - printk(KERN_ERR "olpc-dcon: Failed to enter
> CPU mode\n");
> + pr_err("Failed to enter CPU mode\n");
> dcon->pending_src = DCON_SOURCE_DCON;
> return;
> }
> @@ -340,14 +335,14 @@ static void dcon_source_switch(struct
> work_struct *work) pdata->set_dconload(1);
> getnstimeofday(&dcon->load_time);
>
> - printk(KERN_INFO "olpc-dcon: The CPU has control\n");
> + pr_info("The CPU has control\n");
> break;
> case DCON_SOURCE_DCON:
> {
> int t;
> struct timespec delta_t;
>
> - printk(KERN_INFO "dcon_source_switch to DCON\n");
> + pr_info("dcon_source_switch to DCON\n");
>
> add_wait_queue(&dcon_wait_queue, &wait);
> set_current_state(TASK_UNINTERRUPTIBLE);
> @@ -361,7 +356,7 @@ static void dcon_source_switch(struct work_struct
> *work) set_current_state(TASK_RUNNING);
>
> if (!dcon->switched) {
> - printk(KERN_ERR "olpc-dcon: Timeout entering
> DCON mode; expect a screen glitch.\n");
> + pr_err("Timeout entering DCON mode; expect a
> screen glitch.\n"); } else {
> /* sometimes the DCON doesn't follow its own
> rules,
> * and doesn't wait for two vsync pulses
> before @@ -377,7 +372,7 @@ static void dcon_source_switch(struct
> work_struct *work) delta_t = timespec_sub(dcon->irq_time,
> dcon->load_time); if (dcon->switched && delta_t.tv_sec == 0 &&
> delta_t.tv_nsec <
> NSEC_PER_MSEC * 20) {
> - printk(KERN_ERR "olpc-dcon: missed
> loading, retrying\n");
> + pr_err("missed loading, retrying\n");
> pdata->set_dconload(1);
> mdelay(41);
> pdata->set_dconload(0);
> @@ -387,7 +382,7 @@ static void dcon_source_switch(struct work_struct
> *work) }
>
> dcon_blank_fb(dcon, true);
> - printk(KERN_INFO "olpc-dcon: The DCON has
> control\n");
> + pr_info("The DCON has control\n");
> break;
> }
> default:
> @@ -475,7 +470,7 @@ static ssize_t dcon_freeze_store(struct device
> *dev, if (ret)
> return ret;
>
> - printk(KERN_INFO "dcon_freeze_store: %lu\n", output);
> + pr_info("dcon_freeze_store: %lu\n", output);
>
> switch (output) {
> case 0:
> @@ -649,7 +644,7 @@ static int dcon_probe(struct i2c_client *client,
> const struct i2c_device_id *id) dcon_device =
> platform_device_alloc("dcon", -1);
> if (dcon_device == NULL) {
> - printk(KERN_ERR "dcon: Unable to create the DCON
> device\n");
> + pr_err("Unable to create the DCON device\n");
> rc = -ENOMEM;
> goto eirq;
> }
> @@ -657,7 +652,7 @@ static int dcon_probe(struct i2c_client *client,
> const struct i2c_device_id *id) platform_set_drvdata(dcon_device,
> dcon);
> if (rc) {
> - printk(KERN_ERR "dcon: Unable to add the DCON
> device\n");
> + pr_err("Unable to add the DCON device\n");
> goto edev;
> }
>
> @@ -761,7 +756,7 @@ irqreturn_t dcon_interrupt(int irq, void *id)
>
> switch (status & 3) {
> case 3:
> - printk(KERN_DEBUG "olpc-dcon: DCONLOAD_MISSED
> interrupt\n");
> + pr_debug("DCONLOAD_MISSED interrupt\n");
> break;
>
> case 2: /* switch to DCON mode */
> @@ -783,9 +778,9 @@ irqreturn_t dcon_interrupt(int irq, void *id)
> dcon->switched = true;
> getnstimeofday(&dcon->irq_time);
> wake_up(&dcon_wait_queue);
> - printk(KERN_DEBUG "olpc-dcon: switching w/
> status 0/0\n");
> + pr_debug("switching w/ status 0/0\n");
> } else {
> - printk(KERN_DEBUG "olpc-dcon: scanline
> interrupt w/CPU\n");
> + pr_debug("scanline interrupt w/CPU\n");
> }
> }
>
> diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c
> b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c index c87fdfa..77e8eb5
> 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c
> +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c
> @@ -10,6 +10,9 @@
> * modify it under the terms of version 2 of the GNU General Public
> * License as published by the Free Software Foundation.
> */
> +
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/cs5535.h>
> #include <linux/gpio.h>
> #include <linux/delay.h>
> @@ -22,23 +25,23 @@ static int dcon_init_xo_1(struct dcon_priv *dcon)
> unsigned char lob;
>
> if (gpio_request(OLPC_GPIO_DCON_STAT0, "OLPC-DCON")) {
> - printk(KERN_ERR "olpc-dcon: failed to request STAT0
> GPIO\n");
> + pr_err("failed to request STAT0 GPIO\n");
> return -EIO;
> }
> if (gpio_request(OLPC_GPIO_DCON_STAT1, "OLPC-DCON")) {
> - printk(KERN_ERR "olpc-dcon: failed to request STAT1
> GPIO\n");
> + pr_err("failed to request STAT1 GPIO\n");
> goto err_gp_stat1;
> }
> if (gpio_request(OLPC_GPIO_DCON_IRQ, "OLPC-DCON")) {
> - printk(KERN_ERR "olpc-dcon: failed to request IRQ
> GPIO\n");
> + pr_err("failed to request IRQ GPIO\n");
> goto err_gp_irq;
> }
> if (gpio_request(OLPC_GPIO_DCON_LOAD, "OLPC-DCON")) {
> - printk(KERN_ERR "olpc-dcon: failed to request LOAD
> GPIO\n");
> + pr_err("failed to request LOAD GPIO\n");
> goto err_gp_load;
> }
> if (gpio_request(OLPC_GPIO_DCON_BLANK, "OLPC-DCON")) {
> - printk(KERN_ERR "olpc-dcon: failed to request BLANK
> GPIO\n");
> + pr_err("failed to request BLANK GPIO\n");
> goto err_gp_blank;
> }
>
> @@ -83,7 +86,7 @@ static int dcon_init_xo_1(struct dcon_priv *dcon)
>
> /* Register the interrupt handler */
> if (request_irq(DCON_IRQ, &dcon_interrupt, 0, "DCON", dcon))
> {
> - printk(KERN_ERR "olpc-dcon: failed to request DCON's
> irq\n");
> + pr_err("failed to request DCON's irq\n");
> goto err_req_irq;
> }
>
> diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c
> b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c index 69415ee..352dd3d
> 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c
> +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c
> @@ -6,6 +6,8 @@
> * License as published by the Free Software Foundation.
> */
>
> +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> +
> #include <linux/acpi.h>
> #include <linux/delay.h>
> #include <linux/pci.h>
> @@ -66,7 +68,7 @@ static int dcon_init_xo_1_5(struct dcon_priv *dcon)
> pdev = pci_get_device(PCI_VENDOR_ID_VIA,
> PCI_DEVICE_ID_VIA_VX855, NULL);
> if (!pdev) {
> - printk(KERN_ERR "cannot find VX855 PCI ID\n");
> + pr_err("cannot find VX855 PCI ID\n");
> return 1;
> }
>
> @@ -104,7 +106,7 @@ static int dcon_init_xo_1_5(struct dcon_priv
> *dcon) /* we're sharing the IRQ with ACPI */
> irq = acpi_gbl_FADT.sci_interrupt;
> if (request_irq(irq, &dcon_interrupt, IRQF_SHARED, "DCON",
> dcon)) {
> - printk(KERN_ERR PREFIX "DCON (IRQ%d) allocation
> failed\n", irq);
> + pr_err("DCON (IRQ%d) allocation failed\n", irq);
> return 1;
> }
>