diff options
| author | Mark Brown <broonie@linaro.org> | 2014-01-17 15:52:17 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-01-17 15:52:17 +0000 |
| commit | 81e53d0470878165a300d75ac06a5bc5eee543a2 (patch) | |
| tree | 5fdaacfb350c5a290109f98ab29e9858f1f11469 /drivers/base/regmap/regmap-mmio.c | |
| parent | 15e0964dc2a097de3cf518badf2237b6b6adf7fe (diff) | |
| parent | fcb4ed749c776a2ae89ca40343cbccb6f8981e60 (diff) | |
Merge branches 'topic/sc18is602' and 'topic/rspi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-bpw
Diffstat (limited to 'drivers/base/regmap/regmap-mmio.c')
| -rw-r--r-- | drivers/base/regmap/regmap-mmio.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c index 98745dd77e8..81f97751077 100644 --- a/drivers/base/regmap/regmap-mmio.c +++ b/drivers/base/regmap/regmap-mmio.c @@ -40,7 +40,7 @@ static int regmap_mmio_gather_write(void *context, BUG_ON(reg_size != 4); - if (ctx->clk) { + if (!IS_ERR(ctx->clk)) { ret = clk_enable(ctx->clk); if (ret < 0) return ret; @@ -73,7 +73,7 @@ static int regmap_mmio_gather_write(void *context, offset += ctx->val_bytes; } - if (ctx->clk) + if (!IS_ERR(ctx->clk)) clk_disable(ctx->clk); return 0; @@ -96,7 +96,7 @@ static int regmap_mmio_read(void *context, BUG_ON(reg_size != 4); - if (ctx->clk) { + if (!IS_ERR(ctx->clk)) { ret = clk_enable(ctx->clk); if (ret < 0) return ret; @@ -129,7 +129,7 @@ static int regmap_mmio_read(void *context, offset += ctx->val_bytes; } - if (ctx->clk) + if (!IS_ERR(ctx->clk)) clk_disable(ctx->clk); return 0; @@ -139,7 +139,7 @@ static void regmap_mmio_free_context(void *context) { struct regmap_mmio_context *ctx = context; - if (ctx->clk) { + if (!IS_ERR(ctx->clk)) { clk_unprepare(ctx->clk); clk_put(ctx->clk); } @@ -209,6 +209,7 @@ static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev, ctx->regs = regs; ctx->val_bytes = config->val_bits / 8; + ctx->clk = ERR_PTR(-ENODEV); if (clk_id == NULL) return ctx; |