linux-kernel - RE: [PATCH V1 01/10] mfd: da9061: MFD core support

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Message-ID: <6ED8E3B22081A4459DAC7699F3695FB7018CCE2712@SW-EX-MBX02.diasemi.com>
Date:   Fri, 7 Oct 2016 14:32:25 +0000
From:   Steve Twiss <stwiss.opensource@...semi.com>
To:     'Keerthy' <a0393675@...com>
CC:     LINUX-KERNEL <linux-kernel@...r.kernel.org>,
        Lee Jones <lee.jones@...aro.org>
Subject: RE: [PATCH V1 01/10] mfd: da9061: MFD core support

Hi,

On 06 October 2016 17:34, Steve Twiss wrote:
> On 06 October 2016 11:38, Keerthy [mailto:a0393675@...com], wrote:
> > +	int cell_num;
> > No need of cell_num.
> 
> > +		cell_num = ARRAY_SIZE(da9061_devs);
> > No need of the above assignment
> 
> > +		cell_num = ARRAY_SIZE(da9062_devs);
> > No need of the above assignment
> >
> > +	ret = mfd_add_devices(chip->dev, PLATFORM_DEVID_NONE, cell,
> > +			      cell_num, NULL, irq_base,
> > Use ARRAY_SIZE(cell) instead if cell_num
> 
> Okay. Can do that.

Okay. I cannot do that.
Dropped that change.

drivers/mfd/da9062-core.c: In function 'da9062_i2c_probe':
./include/linux/bug.h:34:45: error: negative width in bit-field '<anonymous>'
 #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
                                             ^
./include/linux/compiler-gcc.h:64:28: note: in expansion of macro 'BUILD_BUG_ON_ZERO'
 #define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
                            ^
./include/linux/kernel.h:53:59: note: in expansion of macro '__must_be_array'
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
                                                           ^
drivers/mfd/da9062-core.c:919:10: note: in expansion of macro 'ARRAY_SIZE'
          ARRAY_SIZE(cell), NULL, irq_base,
          ^