linux-kernel - Re: [PATCH 1/3] mfd: arizona: Support Cirrus Logic CS47L24 and WM1831

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Date:	Mon, 19 Oct 2015 21:53:27 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Richard Fitzgerald <rf@...nsource.wolfsonmicro.com>
Cc:	kbuild-all@...org, lee.jones@...aro.org, linus.walleij@...aro.org,
	broonie@...nel.org, patches@...nsource.wolfsonmicro.com,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-gpio@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH 1/3] mfd: arizona: Support Cirrus Logic CS47L24 and WM1831

Hi Richard,

[auto build test WARNING on next-20151016 -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Richard-Fitzgerald/Add-support-for-Cirrus-Logic-CS47L24-and-WM1831-codecs/20151019-203503
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/mfd/cs47l24-tables.c:33:38: sparse: incorrect type in argument 2 (different base types)
   drivers/mfd/cs47l24-tables.c:33:38:    expected struct reg_sequence const *regs
   drivers/mfd/cs47l24-tables.c:33:38:    got struct reg_default static const [toplevel] *<noident>
   drivers/mfd/cs47l24-tables.c: In function 'cs47l24_patch':
   drivers/mfd/cs47l24-tables.c:33:10: warning: passing argument 2 of 'regmap_register_patch' from incompatible pointer type [-Wincompatible-pointer-types]
             cs47l24_reva_patch,
             ^
   In file included from include/linux/mfd/arizona/core.h:17:0,
                    from drivers/mfd/cs47l24-tables.c:15:
   include/linux/regmap.h:726:5: note: expected 'const struct reg_sequence *' but argument is of type 'const struct reg_default *'
    int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
        ^

vim +33 drivers/mfd/cs47l24-tables.c

    17	#include <linux/device.h>
    18	
    19	#include "arizona.h"
    20	
    21	#define CS47L24_NUM_ISR 5
    22	
    23	static const struct reg_default cs47l24_reva_patch[] = {
    24		{ 0x80,  0x3 },
    25		{ 0x27C, 0x0010 },
    26		{ 0x221, 0x0070 },
    27		{ 0x80,  0x0 },
    28	};
    29	
    30	int cs47l24_patch(struct arizona *arizona)
    31	{
    32		return regmap_register_patch(arizona->regmap,
  > 33					     cs47l24_reva_patch,
    34					     ARRAY_SIZE(cs47l24_reva_patch));
    35	}
    36	EXPORT_SYMBOL_GPL(cs47l24_patch);
    37	
    38	static const struct regmap_irq cs47l24_irqs[ARIZONA_NUM_IRQ] = {
    39		[ARIZONA_IRQ_GP2] = { .reg_offset = 0, .mask = ARIZONA_GP2_EINT1 },
    40		[ARIZONA_IRQ_GP1] = { .reg_offset = 0, .mask = ARIZONA_GP1_EINT1 },
    41	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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