[alsa-devel] [asoc:for-5.1 263/274] sound/soc/codecs/wm_adsp.c:3441:23: sparse: warning: restricted __be32 degrades to integer

kbuild test robot lkp at intel.com
Wed Feb 27 00:25:45 CET 2019


tree:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.1
head:   7b6b0049e2b70d103adf1b7d0320802f70ddceca
commit: 4f2d4eabf57718875b97363a3bd35de490f354c5 [263/274] ASoC: wm_adsp: Add support for multiple compressed buffers
reproduce:
        # apt-get install sparse
        git checkout 4f2d4eabf57718875b97363a3bd35de490f354c5
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

All warnings (new ones prefixed by >>):

   sound/soc/codecs/wm_adsp.c:880:19: sparse: warning: incorrect type in initializer (different base types)
   sound/soc/codecs/wm_adsp.c:880:19: sparse:    expected unsigned int [usertype] val
   sound/soc/codecs/wm_adsp.c:880:19: sparse:    got restricted __be32 [usertype]
   sound/soc/codecs/wm_adsp.c:1586:22: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
   sound/soc/codecs/wm_adsp.c:2057:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2057:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2057:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:2078:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2078:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2078:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:2171:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2171:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2171:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:2192:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2192:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2192:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:2213:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2213:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2213:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3242:14: sparse: warning: incorrect type in assignment (different base types)
   sound/soc/codecs/wm_adsp.c:3242:14: sparse:    expected unsigned int [usertype] data
   sound/soc/codecs/wm_adsp.c:3242:14: sparse:    got restricted __be32 [usertype]
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3440:27: sparse: warning: incorrect type in assignment (different base types)
   sound/soc/codecs/wm_adsp.c:3440:27: sparse:    expected restricted __be32 [addressable] [usertype] versions
   sound/soc/codecs/wm_adsp.c:3440:27: sparse:    got unsigned int
>> sound/soc/codecs/wm_adsp.c:3441:23: sparse: warning: restricted __be32 degrades to integer
   sound/soc/codecs/wm_adsp.c:3452:34: sparse: warning: incorrect type in assignment (different base types)
   sound/soc/codecs/wm_adsp.c:3452:34: sparse:    expected restricted __be32
   sound/soc/codecs/wm_adsp.c:3452:34: sparse:    got unsigned int

sparse warnings: (new ones prefixed by >>)

   sound/soc/codecs/wm_adsp.c:880:19: sparse: warning: incorrect type in initializer (different base types)
   sound/soc/codecs/wm_adsp.c:880:19: sparse:    expected unsigned int [usertype] val
   sound/soc/codecs/wm_adsp.c:880:19: sparse:    got restricted __be32 [usertype]
   sound/soc/codecs/wm_adsp.c:1586:22: sparse: warning: restricted snd_ctl_elem_type_t degrades to integer
   sound/soc/codecs/wm_adsp.c:2057:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2057:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2057:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:2078:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2078:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2078:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:2171:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2171:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2171:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:2192:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2192:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2192:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:2213:54: sparse: warning: incorrect type in argument 8 (different base types)
   sound/soc/codecs/wm_adsp.c:2213:54: sparse:    expected unsigned int type
   sound/soc/codecs/wm_adsp.c:2213:54: sparse:    got restricted snd_ctl_elem_type_t [usertype]
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3220:27: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3242:14: sparse: warning: incorrect type in assignment (different base types)
   sound/soc/codecs/wm_adsp.c:3242:14: sparse:    expected unsigned int [usertype] data
   sound/soc/codecs/wm_adsp.c:3242:14: sparse:    got restricted __be32 [usertype]
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3420:29: sparse: warning: cast to restricted __be32
   sound/soc/codecs/wm_adsp.c:3440:27: sparse: warning: incorrect type in assignment (different base types)
>> sound/soc/codecs/wm_adsp.c:3440:27: sparse:    expected restricted __be32 [addressable] [usertype] versions
>> sound/soc/codecs/wm_adsp.c:3440:27: sparse:    got unsigned int
   sound/soc/codecs/wm_adsp.c:3441:23: sparse: warning: restricted __be32 degrades to integer
   sound/soc/codecs/wm_adsp.c:3452:34: sparse: warning: incorrect type in assignment (different base types)
>> sound/soc/codecs/wm_adsp.c:3452:34: sparse:    expected restricted __be32
   sound/soc/codecs/wm_adsp.c:3452:34: sparse:    got unsigned int

vim +3441 sound/soc/codecs/wm_adsp.c

  3230	
  3231	static int wm_adsp_write_data_word(struct wm_adsp *dsp, int mem_type,
  3232					   unsigned int mem_addr, u32 data)
  3233	{
  3234		struct wm_adsp_region const *mem = wm_adsp_find_region(dsp, mem_type);
  3235		unsigned int reg;
  3236	
  3237		if (!mem)
  3238			return -EINVAL;
  3239	
  3240		reg = wm_adsp_region_to_reg(mem, mem_addr);
  3241	
> 3242		data = cpu_to_be32(data & 0x00ffffffu);
  3243	
  3244		return regmap_raw_write(dsp->regmap, reg, &data, sizeof(data));
  3245	}
  3246	
  3247	static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf,
  3248					      unsigned int field_offset, u32 *data)
  3249	{
  3250		return wm_adsp_read_data_word(buf->dsp, buf->host_buf_mem_type,
  3251					      buf->host_buf_ptr + field_offset, data);
  3252	}
  3253	
  3254	static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf,
  3255					       unsigned int field_offset, u32 data)
  3256	{
  3257		return wm_adsp_write_data_word(buf->dsp, buf->host_buf_mem_type,
  3258					       buf->host_buf_ptr + field_offset, data);
  3259	}
  3260	
  3261	static void wm_adsp_remove_padding(u32 *buf, int nwords, int data_word_size)
  3262	{
  3263		u8 *pack_in = (u8 *)buf;
  3264		u8 *pack_out = (u8 *)buf;
  3265		int i, j;
  3266	
  3267		/* Remove the padding bytes from the data read from the DSP */
  3268		for (i = 0; i < nwords; i++) {
  3269			for (j = 0; j < data_word_size; j++)
  3270				*pack_out++ = *pack_in++;
  3271	
  3272			pack_in += sizeof(*buf) - data_word_size;
  3273		}
  3274	}
  3275	
  3276	static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf)
  3277	{
  3278		const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps;
  3279		struct wm_adsp_buffer_region *region;
  3280		u32 offset = 0;
  3281		int i, ret;
  3282	
  3283		buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions),
  3284				       GFP_KERNEL);
  3285		if (!buf->regions)
  3286			return -ENOMEM;
  3287	
  3288		for (i = 0; i < caps->num_regions; ++i) {
  3289			region = &buf->regions[i];
  3290	
  3291			region->offset = offset;
  3292			region->mem_type = caps->region_defs[i].mem_type;
  3293	
  3294			ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset,
  3295						  &region->base_addr);
  3296			if (ret < 0)
  3297				return ret;
  3298	
  3299			ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset,
  3300						  &offset);
  3301			if (ret < 0)
  3302				return ret;
  3303	
  3304			region->cumulative_size = offset;
  3305	
  3306			adsp_dbg(buf->dsp,
  3307				 "region=%d type=%d base=%08x off=%08x size=%08x\n",
  3308				 i, region->mem_type, region->base_addr,
  3309				 region->offset, region->cumulative_size);
  3310		}
  3311	
  3312		return 0;
  3313	}
  3314	
  3315	static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf)
  3316	{
  3317		buf->irq_count = 0xFFFFFFFF;
  3318		buf->read_index = -1;
  3319		buf->avail = 0;
  3320	}
  3321	
  3322	static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp)
  3323	{
  3324		struct wm_adsp_compr_buf *buf;
  3325	
  3326		buf = kzalloc(sizeof(*buf), GFP_KERNEL);
  3327		if (!buf)
  3328			return NULL;
  3329	
  3330		buf->dsp = dsp;
  3331	
  3332		wm_adsp_buffer_clear(buf);
  3333	
  3334		list_add_tail(&buf->list, &dsp->buffer_list);
  3335	
  3336		return buf;
  3337	}
  3338	
  3339	static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp)
  3340	{
  3341		struct wm_adsp_alg_region *alg_region;
  3342		struct wm_adsp_compr_buf *buf;
  3343		u32 xmalg, addr, magic;
  3344		int i, ret;
  3345	
  3346		buf = wm_adsp_buffer_alloc(dsp);
  3347		if (!buf)
  3348			return -ENOMEM;
  3349	
  3350		alg_region = wm_adsp_find_alg_region(dsp, WMFW_ADSP2_XM, dsp->fw_id);
  3351		xmalg = sizeof(struct wm_adsp_system_config_xm_hdr) / sizeof(__be32);
  3352	
  3353		addr = alg_region->base + xmalg + ALG_XM_FIELD(magic);
  3354		ret = wm_adsp_read_data_word(dsp, WMFW_ADSP2_XM, addr, &magic);
  3355		if (ret < 0)
  3356			return ret;
  3357	
  3358		if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC)
  3359			return -ENODEV;
  3360	
  3361		addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr);
  3362		for (i = 0; i < 5; ++i) {
  3363			ret = wm_adsp_read_data_word(dsp, WMFW_ADSP2_XM, addr,
  3364						     &buf->host_buf_ptr);
  3365			if (ret < 0)
  3366				return ret;
  3367	
  3368			if (buf->host_buf_ptr)
  3369				break;
  3370	
  3371			usleep_range(1000, 2000);
  3372		}
  3373	
  3374		if (!buf->host_buf_ptr)
  3375			return -EIO;
  3376	
  3377		buf->host_buf_mem_type = WMFW_ADSP2_XM;
  3378	
  3379		ret = wm_adsp_buffer_populate(buf);
  3380		if (ret < 0)
  3381			return ret;
  3382	
  3383		adsp_dbg(dsp, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr);
  3384	
  3385		return 0;
  3386	}
  3387	
  3388	static int wm_adsp_buffer_parse_coeff(struct wm_coeff_ctl *ctl)
  3389	{
  3390		struct wm_adsp_host_buf_coeff_v1 coeff_v1;
  3391		struct wm_adsp_compr_buf *buf;
  3392		unsigned int val, reg;
  3393		int ret, i;
  3394	
  3395		ret = wm_coeff_base_reg(ctl, &reg);
  3396		if (ret)
  3397			return ret;
  3398	
  3399		for (i = 0; i < 5; ++i) {
  3400			ret = regmap_raw_read(ctl->dsp->regmap, reg, &val, sizeof(val));
  3401			if (ret < 0)
  3402				return ret;
  3403	
  3404			if (val)
  3405				break;
  3406	
  3407			usleep_range(1000, 2000);
  3408		}
  3409	
  3410		if (!val) {
  3411			adsp_err(ctl->dsp, "Failed to acquire host buffer\n");
  3412			return -EIO;
  3413		}
  3414	
  3415		buf = wm_adsp_buffer_alloc(ctl->dsp);
  3416		if (!buf)
  3417			return -ENOMEM;
  3418	
  3419		buf->host_buf_mem_type = ctl->alg_region.type;
> 3420		buf->host_buf_ptr = be32_to_cpu(val);
  3421	
  3422		ret = wm_adsp_buffer_populate(buf);
  3423		if (ret < 0)
  3424			return ret;
  3425	
  3426		/*
  3427		 * v0 host_buffer coefficients didn't have versioning, so if the
  3428		 * control is one word, assume version 0.
  3429		 */
  3430		if (ctl->len == 4) {
  3431			adsp_dbg(ctl->dsp, "host_buf_ptr=%x\n", buf->host_buf_ptr);
  3432			return 0;
  3433		}
  3434	
  3435		ret = regmap_raw_read(ctl->dsp->regmap, reg, &coeff_v1,
  3436				      sizeof(coeff_v1));
  3437		if (ret < 0)
  3438			return ret;
  3439	
> 3440		coeff_v1.versions = be32_to_cpu(coeff_v1.versions);
> 3441		val = coeff_v1.versions & HOST_BUF_COEFF_COMPAT_VER_MASK;
  3442		val >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT;
  3443	
  3444		if (val > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) {
  3445			adsp_err(ctl->dsp,
  3446				 "Host buffer coeff ver %u > supported version %u\n",
  3447				 val, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER);
  3448			return -EINVAL;
  3449		}
  3450	
  3451		for (i = 0; i < ARRAY_SIZE(coeff_v1.name); i++)
> 3452			coeff_v1.name[i] = be32_to_cpu(coeff_v1.name[i]);
  3453	
  3454		wm_adsp_remove_padding((u32 *)&coeff_v1.name,
  3455				       ARRAY_SIZE(coeff_v1.name),
  3456				       WM_ADSP_DATA_WORD_SIZE);
  3457	
  3458		buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", ctl->dsp->part,
  3459				      (char *)&coeff_v1.name);
  3460	
  3461		adsp_dbg(ctl->dsp, "host_buf_ptr=%x coeff version %u\n",
  3462			 buf->host_buf_ptr, val);
  3463	
  3464		return val;
  3465	}
  3466	

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