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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2022-07-26 18:12:13 +0300
committerMark Brown <broonie@kernel.org>2022-08-15 01:21:25 +0100
commit060004431df4958a326d6a45107b2fe3406d10f2 (patch)
tree06de715ec074fef5686f7df4f4c6feb3382dfade /drivers/base
parent568035b01cfb107af8d2e4bd2fb9aea22cf5b868 (diff)
downloadlinux-060004431df4958a326d6a45107b2fe3406d10f2.tar.bz2
regmap: Make use of get_unaligned_be24(), put_unaligned_be24()
Since we have a proper endianness converters for BE 24-bit data use them. While at it, format the code using switch-cases as it's done for the rest of the endianness handlers. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20220726151213.71712-1-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/regmap/regmap.c37
1 files changed, 17 insertions, 20 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index fee221c5008c..e371acea7e0e 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -288,15 +288,9 @@ static void regmap_format_16_native(void *buf, unsigned int val,
memcpy(buf, &v, sizeof(v));
}
-static void regmap_format_24(void *buf, unsigned int val, unsigned int shift)
+static void regmap_format_24_be(void *buf, unsigned int val, unsigned int shift)
{
- u8 *b = buf;
-
- val <<= shift;
-
- b[0] = val >> 16;
- b[1] = val >> 8;
- b[2] = val;
+ put_unaligned_be24(val << shift, buf);
}
static void regmap_format_32_be(void *buf, unsigned int val, unsigned int shift)
@@ -380,14 +374,9 @@ static unsigned int regmap_parse_16_native(const void *buf)
return v;
}
-static unsigned int regmap_parse_24(const void *buf)
+static unsigned int regmap_parse_24_be(const void *buf)
{
- const u8 *b = buf;
- unsigned int ret = b[2];
- ret |= ((unsigned int)b[1]) << 8;
- ret |= ((unsigned int)b[0]) << 16;
-
- return ret;
+ return get_unaligned_be24(buf);
}
static unsigned int regmap_parse_32_be(const void *buf)
@@ -991,9 +980,13 @@ struct regmap *__regmap_init(struct device *dev,
break;
case 24:
- if (reg_endian != REGMAP_ENDIAN_BIG)
+ switch (reg_endian) {
+ case REGMAP_ENDIAN_BIG:
+ map->format.format_reg = regmap_format_24_be;
+ break;
+ default:
goto err_hwlock;
- map->format.format_reg = regmap_format_24;
+ }
break;
case 32:
@@ -1064,10 +1057,14 @@ struct regmap *__regmap_init(struct device *dev,
}
break;
case 24:
- if (val_endian != REGMAP_ENDIAN_BIG)
+ switch (val_endian) {
+ case REGMAP_ENDIAN_BIG:
+ map->format.format_val = regmap_format_24_be;
+ map->format.parse_val = regmap_parse_24_be;
+ break;
+ default:
goto err_hwlock;
- map->format.format_val = regmap_format_24;
- map->format.parse_val = regmap_parse_24;
+ }
break;
case 32:
switch (val_endian) {