Re: [PATCH] staging/comedi: Use dev_ printks in drivers/me_daq.c

From: Ian Abbott
Date: Fri Oct 05 2012 - 05:08:18 EST


On 2012-10-05 01:07, YAMANE Toshiaki wrote:
fixed below checkpatch warnings.
- WARNING: Prefer netdev_err(netdev, ... then dev_err(dev, ... then pr_err(... to printk(KERN_ERR ...
- WARNING: quoted string split across lines

Signed-off-by: YAMANE Toshiaki <yamanetoshi@xxxxxxxxx>
---
drivers/staging/comedi/drivers/me_daq.c | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c
index 2ce0b14..0d85729 100644
--- a/drivers/staging/comedi/drivers/me_daq.c
+++ b/drivers/staging/comedi/drivers/me_daq.c
@@ -384,8 +384,8 @@ static int me_ai_insn_read(struct comedi_device *dev,
(readw(dev_private->me_regbase +
ME_READ_AD_FIFO) ^ 0x800) & 0x0FFF;
} else {
- printk(KERN_ERR "comedi%d: Cannot get single value\n",
- dev->minor);
+ dev_err(dev->class_dev, "comedi%d: Cannot get single value\n",
+ dev->minor);

There is no need for the "comedi%d: " prefix as dev_??? already puts the device name in the message. Just use:

dev_err(dev->class_dev, "Cannot get single value\n");

return -EIO;
}

@@ -566,8 +566,8 @@ static int me2600_xilinx_download(struct comedi_device *dev,
if (value & 0x20) {
/* Disable interrupt */
writel(0x00, dev_private->plx_regbase + PLX_INTCSR);
- printk(KERN_ERR "comedi%d: Xilinx download failed\n",
- dev->minor);
+ dev_err(dev->class_dev, "comedi%d: Xilinx download failed\n",
+ dev->minor);
return -EIO;
}

@@ -654,8 +654,9 @@ static int me_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)

/* Enable PCI device and request PCI regions */
if (comedi_pci_enable(pcidev, dev->board_name) < 0) {
- printk(KERN_ERR "comedi%d: Failed to enable PCI device and "
- "request regions\n", dev->minor);
+ dev_err(dev->class_dev,
+ "comedi%d: Failed to enable PCI device and request regions\n",
+ dev->minor);
return -EIO;
}

@@ -666,7 +667,8 @@ static int me_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
ioremap(plx_regbase_tmp, plx_regbase_size_tmp);
dev_private->plx_regbase_size = plx_regbase_size_tmp;
if (!dev_private->plx_regbase) {
- printk("comedi%d: Failed to remap I/O memory\n", dev->minor);
+ dev_err(dev->class_dev,
+ "comedi%d: Failed to remap I/O memory\n", dev->minor);
return -ENOMEM;
}

@@ -676,11 +678,13 @@ static int me_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
swap_regbase_size_tmp = pci_resource_len(pcidev, 5);

if (!swap_regbase_tmp)
- printk(KERN_ERR "comedi%d: Swap not present\n", dev->minor);
+ dev_err(dev->class_dev,
+ "comedi%d: Swap not present\n", dev->minor);

/*---------------------------------------------- Workaround start ---*/
if (plx_regbase_tmp & 0x0080) {
- printk(KERN_ERR "comedi%d: PLX-Bug detected\n", dev->minor);
+ dev_err(dev->class_dev,
+ "comedi%d: PLX-Bug detected\n", dev->minor);

if (swap_regbase_tmp) {
regbase_tmp = plx_regbase_tmp;
@@ -716,8 +720,8 @@ static int me_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
dev_private->me_regbase_size = me_regbase_size_tmp;
dev_private->me_regbase = ioremap(me_regbase_tmp, me_regbase_size_tmp);
if (!dev_private->me_regbase) {
- printk(KERN_ERR "comedi%d: Failed to remap I/O memory\n",
- dev->minor);
+ dev_err(dev->class_dev,
+ "comedi%d: Failed to remap I/O memory\n", dev->minor);
return -ENOMEM;
}

And the same sort of thing for all of those.

--
-=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@xxxxxxxxx> )=-
-=( Tel: +44 (0)161 477 1898 FAX: +44 (0)161 718 3587 )=-
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