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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/base/regmap/regmap-raw-ram.c
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/base/regmap/regmap-raw-ram.c')
-rw-r--r--drivers/base/regmap/regmap-raw-ram.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/drivers/base/regmap/regmap-raw-ram.c b/drivers/base/regmap/regmap-raw-ram.c
index c9b800885f..93ae07b503 100644
--- a/drivers/base/regmap/regmap-raw-ram.c
+++ b/drivers/base/regmap/regmap-raw-ram.c
@@ -41,10 +41,15 @@ static int regmap_raw_ram_gather_write(void *context,
return -EINVAL;
r = decode_reg(data->reg_endian, reg);
- memcpy(&our_buf[r], val, val_len);
-
- for (i = 0; i < val_len / 2; i++)
- data->written[r + i] = true;
+ if (data->noinc_reg && data->noinc_reg(data, r)) {
+ memcpy(&our_buf[r], val + val_len - 2, 2);
+ data->written[r] = true;
+ } else {
+ memcpy(&our_buf[r], val, val_len);
+
+ for (i = 0; i < val_len / 2; i++)
+ data->written[r + i] = true;
+ }
return 0;
}
@@ -70,10 +75,16 @@ static int regmap_raw_ram_read(void *context,
return -EINVAL;
r = decode_reg(data->reg_endian, reg);
- memcpy(val, &our_buf[r], val_len);
-
- for (i = 0; i < val_len / 2; i++)
- data->read[r + i] = true;
+ if (data->noinc_reg && data->noinc_reg(data, r)) {
+ for (i = 0; i < val_len; i += 2)
+ memcpy(val + i, &our_buf[r], 2);
+ data->read[r] = true;
+ } else {
+ memcpy(val, &our_buf[r], val_len);
+
+ for (i = 0; i < val_len / 2; i++)
+ data->read[r + i] = true;
+ }
return 0;
}
@@ -111,12 +122,12 @@ struct regmap *__regmap_init_raw_ram(const struct regmap_config *config,
return ERR_PTR(-EINVAL);
}
- data->read = kcalloc(sizeof(bool), config->max_register + 1,
+ data->read = kcalloc(config->max_register + 1, sizeof(bool),
GFP_KERNEL);
if (!data->read)
return ERR_PTR(-ENOMEM);
- data->written = kcalloc(sizeof(bool), config->max_register + 1,
+ data->written = kcalloc(config->max_register + 1, sizeof(bool),
GFP_KERNEL);
if (!data->written)
return ERR_PTR(-ENOMEM);