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SubjectRe: [PATCH v3 3/3] clk: qcom: Add display clock controller driver for SDM845
Date
Quoting Taniya Das (2018-06-23 07:19:27)
> diff --git a/drivers/clk/qcom/dispcc-sdm845.c b/drivers/clk/qcom/dispcc-sdm845.c
> new file mode 100644
> index 0000000..af437e0
> --- /dev/null
> +++ b/drivers/clk/qcom/dispcc-sdm845.c
> @@ -0,0 +1,674 @@
> +// SPDX-License-Identifier: GPL-2.0
[...]
> +static struct clk_alpha_pll disp_cc_pll0 = {
> + .offset = 0x0,
> + .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
> + .clkr = {
> + .hw.init = &(struct clk_init_data){
> + .name = "disp_cc_pll0",
> + .parent_names = (const char *[]){ "bi_tcxo" },
> + .num_parents = 1,
> + .ops = &clk_alpha_pll_fabia_ops,
> + },
> + },
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_byte0_clk_src = {
> + .cmd_rcgr = 0x20d0,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_0,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_byte0_clk_src",
> + .parent_names = disp_cc_parent_names_0,
> + .num_parents = 4,
> + .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,

Why is there the no cache flag? Last time I asked I don't think I got
any answer, and there isn't a comment here so please at least add a
comment to the code so we don't forget.

> + .ops = &clk_byte2_ops,
> + },
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_byte1_clk_src = {
> + .cmd_rcgr = 0x20ec,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_0,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_byte1_clk_src",
> + .parent_names = disp_cc_parent_names_0,
> + .num_parents = 4,
> + .flags = CLK_SET_RATE_PARENT | CLK_GET_RATE_NOCACHE,
> + .ops = &clk_byte2_ops,
> + },
> +};
> +
> +static const struct freq_tbl ftbl_disp_cc_mdss_esc0_clk_src[] = {
> + F(19200000, P_BI_TCXO, 1, 0, 0),
> + { }
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_esc0_clk_src = {
> + .cmd_rcgr = 0x2108,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_0,
> + .freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_esc0_clk_src",
> + .parent_names = disp_cc_parent_names_0,
> + .num_parents = 4,
> + .ops = &clk_rcg2_ops,
> + },
> +};
> +
> +static struct clk_rcg2 disp_cc_mdss_esc1_clk_src = {
> + .cmd_rcgr = 0x2120,
> + .mnd_width = 0,
> + .hid_width = 5,
> + .parent_map = disp_cc_parent_map_0,
> + .freq_tbl = ftbl_disp_cc_mdss_esc0_clk_src,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "disp_cc_mdss_esc1_clk_src",
> + .parent_names = disp_cc_parent_names_0,
> + .num_parents = 4,
> + .ops = &clk_rcg2_ops,
> + },
> +};
> +
[...]
> +
> +MODULE_LICENSE("GPL v2");

MODULE_DESCRIPTION?

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