| Message ID | 20200519224151.2074597-3-lkundrak@v3.sk (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Headers | show |
| Series | MMP2 Clock Updates (GPU, Audio, Power Islands) | expand |
Quoting Lubomir Rintel (2020-05-19 15:41:40) > For the I2S fractional clocks, there are more bits that need to be set > for the clock to run. Their actual meaning is unknown. > > Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> > --- Applied to clk-next
diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c index ed9928f5bdc7..48f592bd633d 100644 --- a/drivers/clk/mmp/clk-frac.c +++ b/drivers/clk/mmp/clk-frac.c @@ -148,7 +148,10 @@ static int clk_factor_init(struct clk_hw *hw) val &= ~(masks->den_mask << masks->den_shift); val |= (factor->ftbl[0].den & masks->den_mask) << masks->den_shift; + } + if (!(val & masks->enable_mask) || i >= factor->ftbl_cnt) { + val |= masks->enable_mask; writel(val, factor->base); } diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h index 20dc1e5dd756..369a09256e2f 100644 --- a/drivers/clk/mmp/clk.h +++ b/drivers/clk/mmp/clk.h @@ -16,6 +16,7 @@ struct mmp_clk_factor_masks { unsigned int den_mask; unsigned int num_shift; unsigned int den_shift; + unsigned int enable_mask; }; struct mmp_clk_factor_tbl {
For the I2S fractional clocks, there are more bits that need to be set for the clock to run. Their actual meaning is unknown. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> --- drivers/clk/mmp/clk-frac.c | 3 +++ drivers/clk/mmp/clk.h | 1 + 2 files changed, 4 insertions(+)