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Date: Tue, 26 Jul 2022 19:36:46 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Abel Vesa <abel.vesa@...aro.org>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>,
Andy Gross <agross@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Mike Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, linux-arm-msm@...r.kernel.org,
linux-clk@...r.kernel.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC 1/9] clk: qcom: qcc-sdm845: Collapse gdsc structs into macros
On Tue, 26 Jul 2022 at 17:23, Abel Vesa <abel.vesa@...aro.org> wrote:
>
> Collapse gdsc structs definitions into macros to make them
> more compact visually.
>
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
> drivers/clk/qcom/gcc-sdm845.c | 129 ++++------------------------------
> drivers/clk/qcom/gdsc.h | 10 +++
> 2 files changed, 23 insertions(+), 116 deletions(-)
>
> diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c
> index 58aa3ec9a7fc..8529e9c8c90c 100644
> --- a/drivers/clk/qcom/gcc-sdm845.c
> +++ b/drivers/clk/qcom/gcc-sdm845.c
> @@ -3191,122 +3191,19 @@ static struct clk_branch gcc_lpass_sway_clk = {
> };
> #endif
>
> -static struct gdsc pcie_0_gdsc = {
> - .gdscr = 0x6b004,
> - .pd = {
> - .name = "pcie_0_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = POLL_CFG_GDSCR,
> -};
> -
> -static struct gdsc pcie_1_gdsc = {
> - .gdscr = 0x8d004,
> - .pd = {
> - .name = "pcie_1_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = POLL_CFG_GDSCR,
> -};
> -
> -static struct gdsc ufs_card_gdsc = {
> - .gdscr = 0x75004,
> - .pd = {
> - .name = "ufs_card_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = POLL_CFG_GDSCR,
> -};
> -
> -static struct gdsc ufs_phy_gdsc = {
> - .gdscr = 0x77004,
> - .pd = {
> - .name = "ufs_phy_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = POLL_CFG_GDSCR,
> -};
> -
> -static struct gdsc usb30_prim_gdsc = {
> - .gdscr = 0xf004,
> - .pd = {
> - .name = "usb30_prim_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = POLL_CFG_GDSCR,
> -};
> -
> -static struct gdsc usb30_sec_gdsc = {
> - .gdscr = 0x10004,
> - .pd = {
> - .name = "usb30_sec_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = POLL_CFG_GDSCR,
> -};
> -
> -static struct gdsc hlos1_vote_aggre_noc_mmu_audio_tbu_gdsc = {
> - .gdscr = 0x7d030,
> - .pd = {
> - .name = "hlos1_vote_aggre_noc_mmu_audio_tbu_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = VOTABLE,
> -};
> -
> -static struct gdsc hlos1_vote_aggre_noc_mmu_pcie_tbu_gdsc = {
> - .gdscr = 0x7d03c,
> - .pd = {
> - .name = "hlos1_vote_aggre_noc_mmu_pcie_tbu_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = VOTABLE,
> -};
> -
> -static struct gdsc hlos1_vote_aggre_noc_mmu_tbu1_gdsc = {
> - .gdscr = 0x7d034,
> - .pd = {
> - .name = "hlos1_vote_aggre_noc_mmu_tbu1_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = VOTABLE,
> -};
> -
> -static struct gdsc hlos1_vote_aggre_noc_mmu_tbu2_gdsc = {
> - .gdscr = 0x7d038,
> - .pd = {
> - .name = "hlos1_vote_aggre_noc_mmu_tbu2_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = VOTABLE,
> -};
> -
> -static struct gdsc hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc = {
> - .gdscr = 0x7d040,
> - .pd = {
> - .name = "hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = VOTABLE,
> -};
> -
> -static struct gdsc hlos1_vote_mmnoc_mmu_tbu_hf1_gdsc = {
> - .gdscr = 0x7d048,
> - .pd = {
> - .name = "hlos1_vote_mmnoc_mmu_tbu_hf1_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = VOTABLE,
> -};
> -
> -static struct gdsc hlos1_vote_mmnoc_mmu_tbu_sf_gdsc = {
> - .gdscr = 0x7d044,
> - .pd = {
> - .name = "hlos1_vote_mmnoc_mmu_tbu_sf_gdsc",
> - },
> - .pwrsts = PWRSTS_OFF_ON,
> - .flags = VOTABLE,
> -};
> +DEFINE_QCOM_CC_GDSC(pcie_0_gdsc, 0x6b004, "pcie_0_gdsc", PWRSTS_OFF_ON, POLL_CFG_GDSCR);
> +DEFINE_QCOM_CC_GDSC(pcie_1_gdsc, 0x8d004, "pcie_1_gdsc", PWRSTS_OFF_ON, POLL_CFG_GDSCR);
> +DEFINE_QCOM_CC_GDSC(ufs_card_gdsc, 0x75004, "ufs_card_gdsc", PWRSTS_OFF_ON, POLL_CFG_GDSCR);
> +DEFINE_QCOM_CC_GDSC(ufs_phy_gdsc, 0x77004, "ufs_phy_gdsc", PWRSTS_OFF_ON, POLL_CFG_GDSCR);
> +DEFINE_QCOM_CC_GDSC(usb30_prim_gdsc, 0xf004, "usb30_prim_gdsc", PWRSTS_OFF_ON, POLL_CFG_GDSCR);
> +DEFINE_QCOM_CC_GDSC(usb30_sec_gdsc, 0x10004, "usb30_sec_gdsc", PWRSTS_OFF_ON, POLL_CFG_GDSCR);
> +DEFINE_QCOM_CC_GDSC(hlos1_vote_aggre_noc_mmu_audio_tbu_gdsc, 0x7d030, "hlos1_vote_aggre_noc_mmu_audio_tbu_gdsc", PWRSTS_OFF_ON, VOTABLE);
> +DEFINE_QCOM_CC_GDSC(hlos1_vote_aggre_noc_mmu_pcie_tbu_gdsc, 0x7d03c, "hlos1_vote_aggre_noc_mmu_pcie_tbu_gdsc", PWRSTS_OFF_ON, VOTABLE);
> +DEFINE_QCOM_CC_GDSC(hlos1_vote_aggre_noc_mmu_tbu1_gdsc, 0x7d034, "hlos1_vote_aggre_noc_mmu_tbu1_gdsc", PWRSTS_OFF_ON, VOTABLE);
> +DEFINE_QCOM_CC_GDSC(hlos1_vote_aggre_noc_mmu_tbu2_gdsc, 0x7d038, "hlos1_vote_aggre_noc_mmu_tbu2_gdsc", PWRSTS_OFF_ON, VOTABLE);
> +DEFINE_QCOM_CC_GDSC(hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc, 0x7d040, "hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc", PWRSTS_OFF_ON, VOTABLE);
> +DEFINE_QCOM_CC_GDSC(hlos1_vote_mmnoc_mmu_tbu_hf1_gdsc, 0x7d048, "hlos1_vote_mmnoc_mmu_tbu_hf1_gdsc", PWRSTS_OFF_ON, VOTABLE);
> +DEFINE_QCOM_CC_GDSC(hlos1_vote_mmnoc_mmu_tbu_sf_gdsc, 0x7d044, "hlos1_vote_mmnoc_mmu_tbu_sf_gdsc", PWRSTS_OFF_ON, VOTABLE);
>
> static struct clk_regmap *gcc_sdm845_clocks[] = {
> [GCC_AGGRE_NOC_PCIE_TBU_CLK] = &gcc_aggre_noc_pcie_tbu_clk.clkr,
> diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h
> index 5de48c9439b2..c0e616b49dee 100644
> --- a/drivers/clk/qcom/gdsc.h
> +++ b/drivers/clk/qcom/gdsc.h
> @@ -78,6 +78,16 @@ struct gdsc_desc {
> size_t num;
> };
>
> +#define DEFINE_QCOM_CC_GDSC(_name, _gdscr, _pd_name, _pwrsts, _flags) \
IMO just #define QCOM_CC_GDSC
> + static struct gdsc _name = { \
> + .gdscr = _gdscr, \
> + .pd = { \
> + .name = _pd_name, \
.name = # _name
This would allos us to get rid of _pd_name.
Also if you want to take another step further, I'd define
#define QCOM_GDSC_VOTABLE(name, _gdscr) QCOM_CC_GDSC(_name, _gdscr,
PWRSTS_OFF_ON, VOTABLE)
and use it
> + }, \
> + .pwrsts = _pwrsts, \
> + .flags = _flags, \
> + }
> +
> #ifdef CONFIG_QCOM_GDSC
> int gdsc_register(struct gdsc_desc *desc, struct reset_controller_dev *,
> struct regmap *);
> --
> 2.34.3
>
--
With best wishes
Dmitry
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