iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: S3C24XX: Add .get_rate callback for "camif-upll" clock

Browse Source 
Add missing get_rate callback for the "camif-upll" clock, so frequency
of this clock is properly reported with clk_get_rate().

Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Sylwester Nawrocki 2012-08-28 15:59:42 -07:00 committed by Kukjin Kim
parent 859a09e671
commit 98a7069ba0
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
arch/arm/mach-s3c24xx/clock-s3c2440.c
View File

@ -87,6 +87,19 @@ static int s3c2440_camif_upll_setrate(struct clk *clk, unsigned long rate)
return 0; return 0;
} }
static unsigned long s3c2440_camif_upll_getrate(struct clk *clk)
{
unsigned long parent_rate = clk_get_rate(clk->parent);
unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN);
if (!(camdivn & S3C2440_CAMDIVN_CAMCLK_SEL))
return parent_rate;
camdivn &= S3C2440_CAMDIVN_CAMCLK_MASK;
return parent_rate / (camdivn + 1) / 2;
}
/* Extra S3C2440 clocks */ /* Extra S3C2440 clocks */
static struct clk s3c2440_clk_cam = { static struct clk s3c2440_clk_cam = {
@ -99,6 +112,7 @@ static struct clk s3c2440_clk_cam_upll = {
.name = "camif-upll", .name = "camif-upll",
.ops = &(struct clk_ops) { .ops = &(struct clk_ops) {
.set_rate = s3c2440_camif_upll_setrate, .set_rate = s3c2440_camif_upll_setrate,
.get_rate = s3c2440_camif_upll_getrate,
.round_rate = s3c2440_camif_upll_round, .round_rate = s3c2440_camif_upll_round,
}, },
}; };