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Message-Id: <1472786785-2393-1-git-send-email-zyw@rock-chips.com>
Date: Thu, 1 Sep 2016 20:26:23 -0700
From: Chris Zhong <zyw@...k-chips.com>
To: heiko@...ech.de, dianders@...omium.org
Cc: linux-rockchip@...ts.infradead.org, zhengxing@...k-chips.com,
ykk@...k-chips.com, Chris Zhong <zyw@...k-chips.com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: [v2 PATCH 1/3] clk: rockchip: Fractional dividers can't set parent rates
From: Douglas Anderson <dianders@...omium.org>
Currently the fractional divider clock time can't handle the
CLK_SET_RATE_PARENT flag. This is because, unlike normal dividers,
there is no clk_divider_bestdiv() function to try speeding up the parent
to see if it helps things.
Eventually someone could try to figure out how to make fractional
dividers able to use CLK_SET_RATE_PARENT, but until they do let's not
confuse the common clock framework (and anyone using it) by setting the
flag.
Signed-off-by: Douglas Anderson <dianders@...omium.org>
Signed-off-by: Chris Zhong <zyw@...k-chips.com>
---
drivers/clk/rockchip/clk-rk3399.c | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)
diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c
index ea32b7e..59417c5 100644
--- a/drivers/clk/rockchip/clk-rk3399.c
+++ b/drivers/clk/rockchip/clk-rk3399.c
@@ -585,7 +585,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
COMPOSITE(0, "clk_spdif_div", mux_pll_src_cpll_gpll_p, 0,
RK3399_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 7, DFLAGS,
RK3399_CLKGATE_CON(8), 13, GFLAGS),
- COMPOSITE_FRACMUX(0, "clk_spdif_frac", "clk_spdif_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "clk_spdif_frac", "clk_spdif_div", 0,
RK3399_CLKSEL_CON(99), 0,
RK3399_CLKGATE_CON(8), 14, GFLAGS,
&rk3399_spdif_fracmux),
@@ -599,7 +599,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
COMPOSITE(0, "clk_i2s0_div", mux_pll_src_cpll_gpll_p, 0,
RK3399_CLKSEL_CON(28), 7, 1, MFLAGS, 0, 7, DFLAGS,
RK3399_CLKGATE_CON(8), 3, GFLAGS),
- COMPOSITE_FRACMUX(0, "clk_i2s0_frac", "clk_i2s0_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "clk_i2s0_frac", "clk_i2s0_div", 0,
RK3399_CLKSEL_CON(96), 0,
RK3399_CLKGATE_CON(8), 4, GFLAGS,
&rk3399_i2s0_fracmux),
@@ -609,7 +609,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
COMPOSITE(0, "clk_i2s1_div", mux_pll_src_cpll_gpll_p, 0,
RK3399_CLKSEL_CON(29), 7, 1, MFLAGS, 0, 7, DFLAGS,
RK3399_CLKGATE_CON(8), 6, GFLAGS),
- COMPOSITE_FRACMUX(0, "clk_i2s1_frac", "clk_i2s1_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "clk_i2s1_frac", "clk_i2s1_div", 0,
RK3399_CLKSEL_CON(97), 0,
RK3399_CLKGATE_CON(8), 7, GFLAGS,
&rk3399_i2s1_fracmux),
@@ -619,7 +619,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
COMPOSITE(0, "clk_i2s2_div", mux_pll_src_cpll_gpll_p, 0,
RK3399_CLKSEL_CON(30), 7, 1, MFLAGS, 0, 7, DFLAGS,
RK3399_CLKGATE_CON(8), 9, GFLAGS),
- COMPOSITE_FRACMUX(0, "clk_i2s2_frac", "clk_i2s2_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "clk_i2s2_frac", "clk_i2s2_div", 0,
RK3399_CLKSEL_CON(98), 0,
RK3399_CLKGATE_CON(8), 10, GFLAGS,
&rk3399_i2s2_fracmux),
@@ -638,7 +638,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
COMPOSITE_NOMUX(0, "clk_uart0_div", "clk_uart0_src", 0,
RK3399_CLKSEL_CON(33), 0, 7, DFLAGS,
RK3399_CLKGATE_CON(9), 0, GFLAGS),
- COMPOSITE_FRACMUX(0, "clk_uart0_frac", "clk_uart0_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "clk_uart0_frac", "clk_uart0_div", 0,
RK3399_CLKSEL_CON(100), 0,
RK3399_CLKGATE_CON(9), 1, GFLAGS,
&rk3399_uart0_fracmux),
@@ -648,7 +648,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
COMPOSITE_NOMUX(0, "clk_uart1_div", "clk_uart_src", 0,
RK3399_CLKSEL_CON(34), 0, 7, DFLAGS,
RK3399_CLKGATE_CON(9), 2, GFLAGS),
- COMPOSITE_FRACMUX(0, "clk_uart1_frac", "clk_uart1_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "clk_uart1_frac", "clk_uart1_div", 0,
RK3399_CLKSEL_CON(101), 0,
RK3399_CLKGATE_CON(9), 3, GFLAGS,
&rk3399_uart1_fracmux),
@@ -656,7 +656,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
COMPOSITE_NOMUX(0, "clk_uart2_div", "clk_uart_src", 0,
RK3399_CLKSEL_CON(35), 0, 7, DFLAGS,
RK3399_CLKGATE_CON(9), 4, GFLAGS),
- COMPOSITE_FRACMUX(0, "clk_uart2_frac", "clk_uart2_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "clk_uart2_frac", "clk_uart2_div", 0,
RK3399_CLKSEL_CON(102), 0,
RK3399_CLKGATE_CON(9), 5, GFLAGS,
&rk3399_uart2_fracmux),
@@ -664,7 +664,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
COMPOSITE_NOMUX(0, "clk_uart3_div", "clk_uart_src", 0,
RK3399_CLKSEL_CON(36), 0, 7, DFLAGS,
RK3399_CLKGATE_CON(9), 6, GFLAGS),
- COMPOSITE_FRACMUX(0, "clk_uart3_frac", "clk_uart3_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "clk_uart3_frac", "clk_uart3_div", 0,
RK3399_CLKSEL_CON(103), 0,
RK3399_CLKGATE_CON(9), 7, GFLAGS,
&rk3399_uart3_fracmux),
@@ -1168,7 +1168,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
RK3399_CLKSEL_CON(49), 8, 2, MFLAGS, 0, 8, DFLAGS,
RK3399_CLKGATE_CON(10), 12, GFLAGS),
- COMPOSITE_FRACMUX_NOGATE(0, "dclk_vop0_frac", "dclk_vop0_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX_NOGATE(0, "dclk_vop0_frac", "dclk_vop0_div", 0,
RK3399_CLKSEL_CON(106), 0,
&rk3399_dclk_vop0_fracmux),
@@ -1198,7 +1198,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
RK3399_CLKSEL_CON(50), 8, 2, MFLAGS, 0, 8, DFLAGS,
RK3399_CLKGATE_CON(10), 13, GFLAGS),
- COMPOSITE_FRACMUX_NOGATE(0, "dclk_vop1_frac", "dclk_vop1_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX_NOGATE(0, "dclk_vop1_frac", "dclk_vop1_div", 0,
RK3399_CLKSEL_CON(107), 0,
&rk3399_dclk_vop1_fracmux),
@@ -1312,7 +1312,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = {
/* testout */
MUX(0, "clk_test_pre", mux_pll_src_cpll_gpll_p, CLK_SET_RATE_PARENT,
RK3399_CLKSEL_CON(58), 7, 1, MFLAGS),
- COMPOSITE_FRAC(0, "clk_test_frac", "clk_test_pre", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRAC(0, "clk_test_frac", "clk_test_pre", 0,
RK3399_CLKSEL_CON(105), 0,
RK3399_CLKGATE_CON(13), 9, GFLAGS),
@@ -1417,7 +1417,7 @@ static struct rockchip_clk_branch rk3399_clk_pmu_branches[] __initdata = {
RK3399_PMU_CLKSEL_CON(1), 13, 1, MFLAGS, 8, 5, DFLAGS,
RK3399_PMU_CLKGATE_CON(0), 8, GFLAGS),
- COMPOSITE_FRACMUX_NOGATE(0, "clk_wifi_frac", "clk_wifi_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX_NOGATE(0, "clk_wifi_frac", "clk_wifi_div", 0,
RK3399_PMU_CLKSEL_CON(7), 0,
&rk3399_pmuclk_wifi_fracmux),
@@ -1445,7 +1445,7 @@ static struct rockchip_clk_branch rk3399_clk_pmu_branches[] __initdata = {
RK3399_PMU_CLKSEL_CON(5), 10, 1, MFLAGS, 0, 7, DFLAGS,
RK3399_PMU_CLKGATE_CON(0), 5, GFLAGS),
- COMPOSITE_FRACMUX(0, "clk_uart4_frac", "clk_uart4_div", CLK_SET_RATE_PARENT,
+ COMPOSITE_FRACMUX(0, "clk_uart4_frac", "clk_uart4_div", 0,
RK3399_PMU_CLKSEL_CON(6), 0,
RK3399_PMU_CLKGATE_CON(0), 6, GFLAGS,
&rk3399_uart4_pmu_fracmux),
--
1.9.1
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