Messages in this thread | | | Subject | Re: [PATCH v9] mmc: Export host capabilities to debugfs. | From | Harish Jenny K N <> | Date | Mon, 12 Mar 2018 19:37:12 +0530 |
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On Monday 12 March 2018 07:04 PM, Harish Jenny K N wrote: > > On Monday 12 March 2018 06:33 PM, Andy Shevchenko wrote: >> On Mon, 2018-03-12 at 18:00 +0530, Harish Jenny K N wrote: >> >> >>>>>>>> + for_each_set_bit(bit, (const unsigned long *)&caps, >>>>>>>> BITS_PER_LONG) >>>>>>>> + for_each_set_bit(bit, (const unsigned long >>>>>>>> *)&caps2, >>>>>>>> BITS_PER_LONG) >>>>>>> Explicit casting is not needed anymore in both cases. >>>>>> Also maybe use sizeof(mmc_host_capabilities) instead of >>>>>> BITS_PER_LONG? >>>>> You mean sizeof(caps) and not sizeof(mmc_host_capabilities) . >>>>> Right ? >>>> meant ARRAY_SIZE(mmc_host_capabilities) >>> ARRAY_SIZE(mmc_host_capabilities) will be 32 and this will be my old >>> change for which I got a comment from Andy Shevchenko asking me to >>> replace u32 with unsigned long. >>> >>> This is the old comment: >>> >>>>> + int size = sizeof(u32) * BITS_PER_BYTE; >>>> This is redundant. Use BITS_PER_LONG (why's that, see below) in the >> There is nothing about ARRAY_SIZE(). >> ARRAY_SIZE() will work quite good as well. > Yes. Definitely it works. I was only mentioning about changing u32 to unsigned long for caps and passing BITS_PER_LONG as size in for_each_set_bit. >
Just to make it clear, I will use ARRAY_SIZE(mmc_host_capabilities) as argument in the next version of the patch.
Can anyone please respond to my previous request?
> Before sending new patch , I would like to inform that I have been sending this patch with the following checkpatch warning, just to keep it same as other usages of debugfs_create_file in the drivers/mmc/core/debugfs.c file.
> WARNING:SYMBOLIC_PERMS: Symbolic permissions 'S_IRUSR' are not preferred. Consider using octal permissions '0400'.
> Do I need to address this or keep it same as S_IRUSR ?
Thanks, Harish Jenny K N
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