diff options
Diffstat (limited to 'drivers/clk/sunxi/clk-mod0.c')
| -rw-r--r-- | drivers/clk/sunxi/clk-mod0.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/clk/sunxi/clk-mod0.c b/drivers/clk/sunxi/clk-mod0.c index d167e1efb927..b38d71cec74c 100644 --- a/drivers/clk/sunxi/clk-mod0.c +++ b/drivers/clk/sunxi/clk-mod0.c @@ -15,6 +15,7 @@ */ #include <linux/clk.h> +#include <linux/clkdev.h> #include <linux/clk-provider.h> #include <linux/of_address.h> #include <linux/platform_device.h> @@ -28,17 +29,16 @@ * rate = (parent_rate >> p) / (m + 1); */ -static void sun4i_a10_get_mod0_factors(u32 *freq, u32 parent_rate, - u8 *n, u8 *k, u8 *m, u8 *p) +static void sun4i_a10_get_mod0_factors(struct factors_request *req) { u8 div, calcm, calcp; /* These clocks can only divide, so we will never be able to achieve * frequencies higher than the parent frequency */ - if (*freq > parent_rate) - *freq = parent_rate; + if (req->rate > req->parent_rate) + req->rate = req->parent_rate; - div = DIV_ROUND_UP(parent_rate, *freq); + div = DIV_ROUND_UP(req->parent_rate, req->rate); if (div < 16) calcp = 0; @@ -51,18 +51,13 @@ static void sun4i_a10_get_mod0_factors(u32 *freq, u32 parent_rate, calcm = DIV_ROUND_UP(div, 1 << calcp); - *freq = (parent_rate >> calcp) / calcm; - - /* we were called to round the frequency, we can now return */ - if (n == NULL) - return; - - *m = calcm - 1; - *p = calcp; + req->rate = (req->parent_rate >> calcp) / calcm; + req->m = calcm - 1; + req->p = calcp; } /* user manual says "n" but it's really "p" */ -static struct clk_factors_config sun4i_a10_mod0_config = { +static const struct clk_factors_config sun4i_a10_mod0_config = { .mshift = 0, .mwidth = 4, .pshift = 16, |