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Date: Sat, 23 Jul 2022 18:17:47 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v6 3/4] clk: qcom: lcc-ipq806x: convert to parent data
On Sat, 23 Jul 2022 at 17:56, Christian Marangi <ansuelsmth@...il.com> wrote:
>
> Convert lcc-ipq806x driver to parent_data API.
Please mention using "pxo_board" rather than "pxo".
With that fixed:
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>
> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
> ---
> v6:
> - Split to separate patch for ARRAY_SIZE
> - Rename .name to pxo_board
> - Drop _clk from .fw_name
> v5:
> - Fix the same compilation error (don't know what the hell happen
> to my buildroot)
> v4:
> - Fix compilation error
> v3:
> - Inline pxo pll4 parent
> - Change .name from pxo to pxo_board
>
> drivers/clk/qcom/lcc-ipq806x.c | 69 +++++++++++++++++++---------------
> 1 file changed, 38 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/clk/qcom/lcc-ipq806x.c b/drivers/clk/qcom/lcc-ipq806x.c
> index ba90bebba597..1833e59a6434 100644
> --- a/drivers/clk/qcom/lcc-ipq806x.c
> +++ b/drivers/clk/qcom/lcc-ipq806x.c
> @@ -34,7 +34,9 @@ static struct clk_pll pll4 = {
> .status_bit = 16,
> .clkr.hw.init = &(struct clk_init_data){
> .name = "pll4",
> - .parent_names = (const char *[]){ "pxo" },
> + .parent_data = &(const struct clk_parent_data) {
> + .fw_name = "pxo", .name = "pxo_board",
> + },
> .num_parents = 1,
> .ops = &clk_pll_ops,
> },
> @@ -64,9 +66,9 @@ static const struct parent_map lcc_pxo_pll4_map[] = {
> { P_PLL4, 2 }
> };
>
> -static const char * const lcc_pxo_pll4[] = {
> - "pxo",
> - "pll4_vote",
> +static const struct clk_parent_data lcc_pxo_pll4[] = {
> + { .fw_name = "pxo", .name = "pxo_board" },
> + { .fw_name = "pll4_vote", .name = "pll4_vote" },
> };
>
> static struct freq_tbl clk_tbl_aif_mi2s[] = {
> @@ -131,7 +133,7 @@ static struct clk_rcg mi2s_osr_src = {
> .enable_mask = BIT(9),
> .hw.init = &(struct clk_init_data){
> .name = "mi2s_osr_src",
> - .parent_names = lcc_pxo_pll4,
> + .parent_data = lcc_pxo_pll4,
> .num_parents = 2,
> .ops = &clk_rcg_ops,
> .flags = CLK_SET_RATE_GATE,
> @@ -139,10 +141,6 @@ static struct clk_rcg mi2s_osr_src = {
> },
> };
>
> -static const char * const lcc_mi2s_parents[] = {
> - "mi2s_osr_src",
> -};
> -
> static struct clk_branch mi2s_osr_clk = {
> .halt_reg = 0x50,
> .halt_bit = 1,
> @@ -152,7 +150,9 @@ static struct clk_branch mi2s_osr_clk = {
> .enable_mask = BIT(17),
> .hw.init = &(struct clk_init_data){
> .name = "mi2s_osr_clk",
> - .parent_names = lcc_mi2s_parents,
> + .parent_hws = (const struct clk_hw*[]) {
> + &mi2s_osr_src.clkr.hw,
> + },
> .num_parents = 1,
> .ops = &clk_branch_ops,
> .flags = CLK_SET_RATE_PARENT,
> @@ -167,7 +167,9 @@ static struct clk_regmap_div mi2s_div_clk = {
> .clkr = {
> .hw.init = &(struct clk_init_data){
> .name = "mi2s_div_clk",
> - .parent_names = lcc_mi2s_parents,
> + .parent_hws = (const struct clk_hw*[]) {
> + &mi2s_osr_src.clkr.hw,
> + },
> .num_parents = 1,
> .ops = &clk_regmap_div_ops,
> },
> @@ -183,7 +185,9 @@ static struct clk_branch mi2s_bit_div_clk = {
> .enable_mask = BIT(15),
> .hw.init = &(struct clk_init_data){
> .name = "mi2s_bit_div_clk",
> - .parent_names = (const char *[]){ "mi2s_div_clk" },
> + .parent_hws = (const struct clk_hw*[]) {
> + &mi2s_div_clk.clkr.hw,
> + },
> .num_parents = 1,
> .ops = &clk_branch_ops,
> .flags = CLK_SET_RATE_PARENT,
> @@ -191,6 +195,10 @@ static struct clk_branch mi2s_bit_div_clk = {
> },
> };
>
> +static const struct clk_parent_data lcc_mi2s_bit_div_codec_clk[] = {
> + { .hw = &mi2s_bit_div_clk.clkr.hw, },
> + { .fw_name = "mi2s_codec", .name = "mi2s_codec_clk" },
> +};
>
> static struct clk_regmap_mux mi2s_bit_clk = {
> .reg = 0x48,
> @@ -199,11 +207,8 @@ static struct clk_regmap_mux mi2s_bit_clk = {
> .clkr = {
> .hw.init = &(struct clk_init_data){
> .name = "mi2s_bit_clk",
> - .parent_names = (const char *[]){
> - "mi2s_bit_div_clk",
> - "mi2s_codec_clk",
> - },
> - .num_parents = 2,
> + .parent_data = lcc_mi2s_bit_div_codec_clk,
> + .num_parents = ARRAY_SIZE(lcc_mi2s_bit_div_codec_clk),
> .ops = &clk_regmap_mux_closest_ops,
> .flags = CLK_SET_RATE_PARENT,
> },
> @@ -245,7 +250,7 @@ static struct clk_rcg pcm_src = {
> .enable_mask = BIT(9),
> .hw.init = &(struct clk_init_data){
> .name = "pcm_src",
> - .parent_names = lcc_pxo_pll4,
> + .parent_data = lcc_pxo_pll4,
> .num_parents = 2,
> .ops = &clk_rcg_ops,
> .flags = CLK_SET_RATE_GATE,
> @@ -262,7 +267,9 @@ static struct clk_branch pcm_clk_out = {
> .enable_mask = BIT(11),
> .hw.init = &(struct clk_init_data){
> .name = "pcm_clk_out",
> - .parent_names = (const char *[]){ "pcm_src" },
> + .parent_hws = (const struct clk_hw*[]) {
> + &pcm_src.clkr.hw,
> + },
> .num_parents = 1,
> .ops = &clk_branch_ops,
> .flags = CLK_SET_RATE_PARENT,
> @@ -270,6 +277,11 @@ static struct clk_branch pcm_clk_out = {
> },
> };
>
> +static const struct clk_parent_data lcc_pcm_clk_out_codec_clk[] = {
> + { .hw = &pcm_clk_out.clkr.hw, },
> + { .fw_name = "pcm_codec_clk", .name = "pcm_codec_clk" },
> +};
> +
> static struct clk_regmap_mux pcm_clk = {
> .reg = 0x54,
> .shift = 10,
> @@ -277,11 +289,8 @@ static struct clk_regmap_mux pcm_clk = {
> .clkr = {
> .hw.init = &(struct clk_init_data){
> .name = "pcm_clk",
> - .parent_names = (const char *[]){
> - "pcm_clk_out",
> - "pcm_codec_clk",
> - },
> - .num_parents = 2,
> + .parent_data = lcc_pcm_clk_out_codec_clk,
> + .num_parents = ARRAY_SIZE(lcc_pcm_clk_out_codec_clk),
> .ops = &clk_regmap_mux_closest_ops,
> .flags = CLK_SET_RATE_PARENT,
> },
> @@ -325,7 +334,7 @@ static struct clk_rcg spdif_src = {
> .enable_mask = BIT(9),
> .hw.init = &(struct clk_init_data){
> .name = "spdif_src",
> - .parent_names = lcc_pxo_pll4,
> + .parent_data = lcc_pxo_pll4,
> .num_parents = 2,
> .ops = &clk_rcg_ops,
> .flags = CLK_SET_RATE_GATE,
> @@ -333,10 +342,6 @@ static struct clk_rcg spdif_src = {
> },
> };
>
> -static const char * const lcc_spdif_parents[] = {
> - "spdif_src",
> -};
> -
> static struct clk_branch spdif_clk = {
> .halt_reg = 0xd4,
> .halt_bit = 1,
> @@ -346,7 +351,9 @@ static struct clk_branch spdif_clk = {
> .enable_mask = BIT(12),
> .hw.init = &(struct clk_init_data){
> .name = "spdif_clk",
> - .parent_names = lcc_spdif_parents,
> + .parent_hws = (const struct clk_hw*[]) {
> + &spdif_src.clkr.hw,
> + },
> .num_parents = 1,
> .ops = &clk_branch_ops,
> .flags = CLK_SET_RATE_PARENT,
> @@ -384,7 +391,7 @@ static struct clk_rcg ahbix_clk = {
> .enable_mask = BIT(11),
> .hw.init = &(struct clk_init_data){
> .name = "ahbix",
> - .parent_names = lcc_pxo_pll4,
> + .parent_data = lcc_pxo_pll4,
> .num_parents = 2,
> .ops = &clk_rcg_lcc_ops,
> },
> --
> 2.36.1
>
--
With best wishes
Dmitry
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