diff options
Diffstat (limited to 'sound/soc/codecs/wm8958-dsp2.c')
| -rw-r--r-- | sound/soc/codecs/wm8958-dsp2.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c index 18535b326680..ca42445b649d 100644 --- a/sound/soc/codecs/wm8958-dsp2.c +++ b/sound/soc/codecs/wm8958-dsp2.c @@ -25,6 +25,8 @@ #include <linux/mfd/wm8994/pdata.h> #include <linux/mfd/wm8994/gpio.h> +#include <asm/unaligned.h> + #include "wm8994.h" #define WM_FW_BLOCK_INFO 0xff @@ -58,18 +60,15 @@ static int wm8958_dsp2_fw(struct snd_soc_component *component, const char *name, } if (memcmp(fw->data, "WMFW", 4) != 0) { - memcpy(&data32, fw->data, sizeof(data32)); - data32 = be32_to_cpu(data32); + data32 = get_unaligned_be32(fw->data); dev_err(component->dev, "%s: firmware has bad file magic %08x\n", name, data32); goto err; } - memcpy(&data32, fw->data + 4, sizeof(data32)); - len = be32_to_cpu(data32); + len = get_unaligned_be32(fw->data + 4); + data32 = get_unaligned_be32(fw->data + 8); - memcpy(&data32, fw->data + 8, sizeof(data32)); - data32 = be32_to_cpu(data32); if ((data32 >> 24) & 0xff) { dev_err(component->dev, "%s: unsupported firmware version %d\n", name, (data32 >> 24) & 0xff); @@ -87,9 +86,8 @@ static int wm8958_dsp2_fw(struct snd_soc_component *component, const char *name, } if (check) { - memcpy(&data64, fw->data + 24, sizeof(u64)); - dev_info(component->dev, "%s timestamp %llx\n", - name, be64_to_cpu(data64)); + data64 = get_unaligned_be64(fw->data + 24); + dev_info(component->dev, "%s timestamp %llx\n", name, data64); } else { snd_soc_component_write(component, 0x102, 0x2); snd_soc_component_write(component, 0x900, 0x2); @@ -104,8 +102,7 @@ static int wm8958_dsp2_fw(struct snd_soc_component *component, const char *name, goto err; } - memcpy(&data32, data + 4, sizeof(data32)); - block_len = be32_to_cpu(data32); + block_len = get_unaligned_be32(data + 4); if (block_len + 8 > len) { dev_err(component->dev, "%zd byte block longer than file\n", block_len); @@ -116,8 +113,7 @@ static int wm8958_dsp2_fw(struct snd_soc_component *component, const char *name, goto err; } - memcpy(&data32, data, sizeof(data32)); - data32 = be32_to_cpu(data32); + data32 = get_unaligned_be32(data); switch ((data32 >> 24) & 0xff) { case WM_FW_BLOCK_INFO: |