lkml.org 
[lkml]   [2017]   [Jun]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] mwifiex: fixes the trivial print
From
Date
在 2017年06月13日 15:04, Kalle Valo 写道:
> Caesar Wang <wxt@rock-chips.com> writes:
>
>> Kalle,
>>
>> 在 2017年06月13日 14:28, Kalle Valo 写道:
>>> Caesar Wang <wxt@rock-chips.com> writes:
>>>
>>>> We have always met the unused log be printed as following.
>>>>
>>>> ...
>>>> [23193.523182] mwifiex_pcie 0000:01:00.0: mwifiex_get_cfp:
>>>> cannot find cfp by band 2 & channel=13 freq=0
>>>> [23378.633684] mwifiex_pcie 0000:01:00.0: mwifiex_get_cfp:
>>>> cannot find cfp by band 2 & channel=13 freq=0
>>>>
>>>> Maybe that's related to wifi regdom, since wifi default area
>>>> was US and didn't support 12~14 channels.
>>>>
>>>> As Frequencies:
>>>> * 2412 MHz [1] (30.0 dBm)
>>>> * 2417 MHz [2] (30.0 dBm)
>>>> * 2422 MHz [3] (30.0 dBm)
>>>> * 2427 MHz [4] (30.0 dBm)
>>>> * 2432 MHz [5] (30.0 dBm)
>>>> * 2437 MHz [6] (30.0 dBm)
>>>> * 2442 MHz [7] (30.0 dBm)
>>>> * 2447 MHz [8] (30.0 dBm)
>>>> * 2452 MHz [9] (30.0 dBm)
>>>> * 2457 MHz [10] (30.0 dBm)
>>>> * 2462 MHz [11] (30.0 dBm)
>>>> * 2467 MHz [12] (disabled)
>>>> * 2472 MHz [13] (disabled)
>>>> * 2484 MHz [14] (disabled)
>>>>
>>>> Signed-off-by: Caesar Wang <wxt@rock-chips.com>
>>>> ---
>>>>
>>>> drivers/net/wireless/marvell/mwifiex/cfp.c | 2 +-
>>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> diff --git a/drivers/net/wireless/marvell/mwifiex/cfp.c b/drivers/net/wireless/marvell/mwifiex/cfp.c
>>>> index 1ff2205..6e29943 100644
>>>> --- a/drivers/net/wireless/marvell/mwifiex/cfp.c
>>>> +++ b/drivers/net/wireless/marvell/mwifiex/cfp.c
>>>> @@ -350,7 +350,7 @@ mwifiex_get_cfp(struct mwifiex_private *priv, u8 band, u16 channel, u32 freq)
>>>> }
>>>> }
>>>> if (i == sband->n_channels) {
>>>> - mwifiex_dbg(priv->adapter, ERROR,
>>>> + mwifiex_dbg(priv->adapter, WARN,
>>>> "%s: cannot find cfp by band %d\t"
>>>> "& channel=%d freq=%d\n",
>>>> __func__, band, channel, freq);
>>> I don't see how this fixes anything, care to explain? And the title is
>>> quite vague.
>> Sorry for the description maybe unclear.
>> I'm assuming the print log is expected for marvel wifi driver. Do we
>> should use 'WARN' to instead of the 'ERROR' here.
> But does that make any functional difference, isn't the warning still
> printed?
>

At least, that shouldn't be printed log by default. :)

if I read the code is correct. That only the MSG/FATAL/ERROR will output
by default.

/**
*enum mwifiex_debug_level - marvell wifi debug level
*/
enum MWIFIEX_DEBUG_LEVEL {
MWIFIEX_DBG_MSG = 0x00000001,
MWIFIEX_DBG_FATAL = 0x00000002,
MWIFIEX_DBG_ERROR = 0x00000004,
MWIFIEX_DBG_DATA = 0x00000008,
MWIFIEX_DBG_CMD = 0x00000010,
MWIFIEX_DBG_EVENT = 0x00000020,
MWIFIEX_DBG_INTR = 0x00000040,
MWIFIEX_DBG_IOCTL = 0x00000080,

MWIFIEX_DBG_MPA_D = 0x00008000,
MWIFIEX_DBG_DAT_D = 0x00010000,
MWIFIEX_DBG_CMD_D = 0x00020000,
MWIFIEX_DBG_EVT_D = 0x00040000,
MWIFIEX_DBG_FW_D = 0x00080000,
MWIFIEX_DBG_IF_D = 0x00100000,

MWIFIEX_DBG_ENTRY = 0x10000000,
MWIFIEX_DBG_WARN = 0x20000000,
MWIFIEX_DBG_INFO = 0x40000000,
MWIFIEX_DBG_DUMP = 0x80000000,

MWIFIEX_DBG_ANY = 0xffffffff
};

#define MWIFIEX_DEFAULT_DEBUG_MASK (MWIFIEX_DBG_MSG | \
MWIFIEX_DBG_FATAL | \
MWIFIEX_DBG_ERROR)



\
 
 \ /
  Last update: 2017-06-13 09:43    [W:0.406 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site