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| author | Sean Paul <seanpaul@chromium.org> | 2019-04-10 22:50:49 +0300 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2019-04-10 22:50:49 +0300 |
| commit | 3bfaf1f7044c6a3b1e00fcad2d0529f0da449d67 (patch) | |
| tree | 490bc7e8aa29c2ee41eb4813683f1aa23971abd3 /drivers/nvmem/sc27xx-efuse.c | |
| parent | 669105a74a287b14cdec04c64eb51db1bb890f64 (diff) | |
| parent | 14d2bd53a47a7e1cb3e03d00a6b952734cf90f3f (diff) | |
| download | linux-3bfaf1f7044c6a3b1e00fcad2d0529f0da449d67.tar.xz | |
Merge drm/drm-next into drm-misc-next
Finally have a reason for a backmerge other than "it's been a while"!
Backmerging drm-next to -misc-next to facilitate Rob Herring's work on
Panfrost.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/nvmem/sc27xx-efuse.c')
| -rw-r--r-- | drivers/nvmem/sc27xx-efuse.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/nvmem/sc27xx-efuse.c b/drivers/nvmem/sc27xx-efuse.c index 33185d8d82cf..c6ee21018d80 100644 --- a/drivers/nvmem/sc27xx-efuse.c +++ b/drivers/nvmem/sc27xx-efuse.c @@ -106,10 +106,12 @@ static int sc27xx_efuse_poll_status(struct sc27xx_efuse *efuse, u32 bits) static int sc27xx_efuse_read(void *context, u32 offset, void *val, size_t bytes) { struct sc27xx_efuse *efuse = context; - u32 buf; + u32 buf, blk_index = offset / SC27XX_EFUSE_BLOCK_WIDTH; + u32 blk_offset = (offset % SC27XX_EFUSE_BLOCK_WIDTH) * BITS_PER_BYTE; int ret; - if (offset > SC27XX_EFUSE_BLOCK_MAX || bytes > SC27XX_EFUSE_BLOCK_WIDTH) + if (blk_index > SC27XX_EFUSE_BLOCK_MAX || + bytes > SC27XX_EFUSE_BLOCK_WIDTH) return -EINVAL; ret = sc27xx_efuse_lock(efuse); @@ -133,7 +135,7 @@ static int sc27xx_efuse_read(void *context, u32 offset, void *val, size_t bytes) /* Set the block address to be read. */ ret = regmap_write(efuse->regmap, efuse->base + SC27XX_EFUSE_BLOCK_INDEX, - offset & SC27XX_EFUSE_BLOCK_MASK); + blk_index & SC27XX_EFUSE_BLOCK_MASK); if (ret) goto disable_efuse; @@ -171,8 +173,10 @@ disable_efuse: unlock_efuse: sc27xx_efuse_unlock(efuse); - if (!ret) + if (!ret) { + buf >>= blk_offset; memcpy(val, &buf, bytes); + } return ret; } |