diff options
| -rw-r--r-- | drivers/sh/clk/core.c | 9 | ||||
| -rw-r--r-- | include/linux/sh_clk.h | 1 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c index db257a3..7715de2 100644 --- a/drivers/sh/clk/core.c +++ b/drivers/sh/clk/core.c @@ -355,7 +355,7 @@ static int clk_establish_mapping(struct clk *clk) */ if (!clk->parent) { clk->mapping = &dummy_mapping; - return 0; + goto out; } /* @@ -384,6 +384,9 @@ static int clk_establish_mapping(struct clk *clk) } clk->mapping = mapping; +out: + clk->mapped_reg = clk->mapping->base; + clk->mapped_reg += (phys_addr_t)clk->enable_reg - clk->mapping->phys; return 0; } @@ -402,10 +405,12 @@ static void clk_teardown_mapping(struct clk *clk) /* Nothing to do */ if (mapping == &dummy_mapping) - return; + goto out; kref_put(&mapping->ref, clk_destroy_mapping); clk->mapping = NULL; +out: + clk->mapped_reg = NULL; } int clk_register(struct clk *clk) diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h index e834304..54341d8 100644 --- a/include/linux/sh_clk.h +++ b/include/linux/sh_clk.h @@ -49,6 +49,7 @@ struct clk { void __iomem *enable_reg; unsigned int enable_bit; + void __iomem *mapped_reg; unsigned long arch_flags; void *priv; |
