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Message-ID: <YvNiKRHywar2YbtC@linaro.org>
Date: Wed, 10 Aug 2022 10:45:45 +0300
From: Abel Vesa <abel.vesa@...aro.org>
To: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: 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 22-08-09 15:25:39, Bjorn Andersson wrote:
> On Tue 26 Jul 09:22 CDT 2022, Abel Vesa 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);
>
> Personally I have a really hard time looking at such a compact chunk of
> text and hence this is harder for me to spot mistakes and differences
> in.
Understood.
>
> While I like the effort of making things easier to maintain this made me
> further appreciate the change we've done in the interconnect providers,
> where we're doing the exact opposite - and remove magical macros.
Lets ignore this patchset then.
>
> Regards,
> Bjorn
>
> >
> > 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) \
> > + static struct gdsc _name = { \
> > + .gdscr = _gdscr, \
> > + .pd = { \
> > + .name = _pd_name, \
> > + }, \
> > + .pwrsts = _pwrsts, \
> > + .flags = _flags, \
> > + }
> > +
> > #ifdef CONFIG_QCOM_GDSC
> > int gdsc_register(struct gdsc_desc *desc, struct reset_controller_dev *,
> > struct regmap *);
> > --
> > 2.34.3
> >
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