Try to stop extending the clk_id or clk_names if there are more and more new BASIC clocks. To get its own clocks by the basic_clk_name of each power domain. And then use basic_clk_name strings for all compatibles, instead of mixing clk_id and clk_name.
Signed-off-by: Weiyi Lu <weiyi...@mediatek.com> Reviewed-by: Nicolas Boichat <drink...@chromium.org> --- drivers/soc/mediatek/mtk-scpsys.c | 134 ++++++++++++-------------------------- 1 file changed, 41 insertions(+), 93 deletions(-) diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index f669d37..c9c3cf7 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -78,34 +78,6 @@ #define PWR_STATUS_HIF1 BIT(26) /* MT7622 */ #define PWR_STATUS_WB BIT(27) /* MT7622 */ -enum clk_id { - CLK_NONE, - CLK_MM, - CLK_MFG, - CLK_VENC, - CLK_VENC_LT, - CLK_ETHIF, - CLK_VDEC, - CLK_HIFSEL, - CLK_JPGDEC, - CLK_AUDIO, - CLK_MAX, -}; - -static const char * const clk_names[] = { - NULL, - "mm", - "mfg", - "venc", - "venc_lt", - "ethif", - "vdec", - "hif_sel", - "jpgdec", - "audio", - NULL, -}; - #define MAX_CLKS 3 /** @@ -116,7 +88,7 @@ enum clk_id { * @sram_pdn_bits: The mask for sram power control bits. * @sram_pdn_ack_bits: The mask for sram power control acked bits. * @bus_prot_mask: The mask for single step bus protection. - * @clk_id: The basic clocks required by this power domain. + * @basic_clk_name: The basic clocks required by this power domain. * @caps: The flag for active wake-up action. */ struct scp_domain_data { @@ -126,7 +98,7 @@ struct scp_domain_data { u32 sram_pdn_bits; u32 sram_pdn_ack_bits; u32 bus_prot_mask; - enum clk_id clk_id[MAX_CLKS]; + const char *basic_clk_name[MAX_CLKS]; u8 caps; }; @@ -411,12 +383,19 @@ static int scpsys_power_off(struct generic_pm_domain *genpd) return ret; } -static void init_clks(struct platform_device *pdev, struct clk **clk) +static int init_basic_clks(struct platform_device *pdev, struct clk **clk, + const char * const *name) { int i; - for (i = CLK_NONE + 1; i < CLK_MAX; i++) - clk[i] = devm_clk_get(&pdev->dev, clk_names[i]); + for (i = 0; i < MAX_CLKS && name[i]; i++) { + clk[i] = devm_clk_get(&pdev->dev, name[i]); + + if (IS_ERR(clk[i])) + return PTR_ERR(clk[i]); + } + + return 0; } static struct scp *init_scp(struct platform_device *pdev, @@ -426,9 +405,8 @@ static struct scp *init_scp(struct platform_device *pdev, { struct genpd_onecell_data *pd_data; struct resource *res; - int i, j; + int i, ret; struct scp *scp; - struct clk *clk[CLK_MAX]; scp = devm_kzalloc(&pdev->dev, sizeof(*scp), GFP_KERNEL); if (!scp) @@ -481,8 +459,6 @@ static struct scp *init_scp(struct platform_device *pdev, pd_data->num_domains = num; - init_clks(pdev, clk); - for (i = 0; i < num; i++) { struct scp_domain *scpd = &scp->domains[i]; struct generic_pm_domain *genpd = &scpd->genpd; @@ -493,17 +469,9 @@ static struct scp *init_scp(struct platform_device *pdev, scpd->data = data; - for (j = 0; j < MAX_CLKS && data->clk_id[j]; j++) { - struct clk *c = clk[data->clk_id[j]]; - - if (IS_ERR(c)) { - dev_err(&pdev->dev, "%s: clk unavailable\n", - data->name); - return ERR_CAST(c); - } - - scpd->clk[j] = c; - } + ret = init_basic_clks(pdev, scpd->clk, data->basic_clk_name); + if (ret) + return ERR_PTR(ret); genpd->name = data->name; genpd->power_off = scpsys_power_off; @@ -560,7 +528,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_CONN_PWR_CON, .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M | MT2701_TOP_AXI_PROT_EN_CONN_S, - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2701_POWER_DOMAIN_DISP] = { @@ -568,7 +535,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .sta_mask = PWR_STATUS_DISP, .ctl_offs = SPM_DIS_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), - .clk_id = {CLK_MM}, + .basic_clk_name = {"mm"}, .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_MM_M0, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, @@ -578,7 +545,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_MFG_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(12, 12), - .clk_id = {CLK_MFG}, + .basic_clk_name = {"mfg"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2701_POWER_DOMAIN_VDEC] = { @@ -587,7 +554,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_VDE_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(12, 12), - .clk_id = {CLK_MM}, + .basic_clk_name = {"mm"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2701_POWER_DOMAIN_ISP] = { @@ -596,7 +563,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_ISP_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(13, 12), - .clk_id = {CLK_MM}, + .basic_clk_name = {"mm"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2701_POWER_DOMAIN_BDP] = { @@ -604,7 +571,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .sta_mask = PWR_STATUS_BDP, .ctl_offs = SPM_BDP_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2701_POWER_DOMAIN_ETH] = { @@ -613,7 +579,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_ETH_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_ETHIF}, + .basic_clk_name = {"ethif"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2701_POWER_DOMAIN_HIF] = { @@ -622,14 +588,13 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_HIF_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_ETHIF}, + .basic_clk_name = {"ethif"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2701_POWER_DOMAIN_IFR_MSC] = { .name = "ifr_msc", .sta_mask = PWR_STATUS_IFR_MSC, .ctl_offs = SPM_IFR_MSC_PWR_CON, - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, }; @@ -644,7 +609,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_DIS_PWR_CON, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(12, 12), - .clk_id = {CLK_MM}, + .basic_clk_name = {"mm"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2712_POWER_DOMAIN_VDEC] = { @@ -653,7 +618,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_VDE_PWR_CON, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(12, 12), - .clk_id = {CLK_MM, CLK_VDEC}, + .basic_clk_name = {"mm", "vdec"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2712_POWER_DOMAIN_VENC] = { @@ -662,7 +627,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_VEN_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_MM, CLK_VENC, CLK_JPGDEC}, + .basic_clk_name = {"mm", "venc", "jpgdec"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2712_POWER_DOMAIN_ISP] = { @@ -671,7 +636,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_ISP_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(13, 12), - .clk_id = {CLK_MM}, + .basic_clk_name = {"mm"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2712_POWER_DOMAIN_AUDIO] = { @@ -680,7 +645,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_AUDIO_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_AUDIO}, + .basic_clk_name = {"audio"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2712_POWER_DOMAIN_USB] = { @@ -689,7 +654,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_USB_PWR_CON, .sram_pdn_bits = GENMASK(10, 8), .sram_pdn_ack_bits = GENMASK(14, 12), - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2712_POWER_DOMAIN_USB2] = { @@ -698,7 +662,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_USB2_PWR_CON, .sram_pdn_bits = GENMASK(10, 8), .sram_pdn_ack_bits = GENMASK(14, 12), - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2712_POWER_DOMAIN_MFG] = { @@ -707,7 +670,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_MFG_PWR_CON, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(16, 16), - .clk_id = {CLK_MFG}, + .basic_clk_name = {"mfg"}, .bus_prot_mask = BIT(14) | BIT(21) | BIT(23), .caps = MTK_SCPD_ACTIVE_WAKEUP, }, @@ -717,7 +680,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x02c0, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(16, 16), - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2712_POWER_DOMAIN_MFG_SC2] = { @@ -726,7 +688,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x02c4, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(16, 16), - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT2712_POWER_DOMAIN_MFG_SC3] = { @@ -735,7 +696,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x01f8, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(16, 16), - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, }; @@ -760,7 +720,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x300, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(12, 12), - .clk_id = {CLK_VDEC}, + .basic_clk_name = {"vdec"}, }, [MT6797_POWER_DOMAIN_VENC] = { .name = "venc", @@ -768,7 +728,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x304, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_NONE}, }, [MT6797_POWER_DOMAIN_ISP] = { .name = "isp", @@ -776,7 +735,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x308, .sram_pdn_bits = GENMASK(9, 8), .sram_pdn_ack_bits = GENMASK(13, 12), - .clk_id = {CLK_NONE}, }, [MT6797_POWER_DOMAIN_MM] = { .name = "mm", @@ -784,7 +742,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x30C, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(12, 12), - .clk_id = {CLK_MM}, + .basic_clk_name = {"mm"}, .bus_prot_mask = (BIT(1) | BIT(2)), }, [MT6797_POWER_DOMAIN_AUDIO] = { @@ -793,7 +751,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x314, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_NONE}, }, [MT6797_POWER_DOMAIN_MFG_ASYNC] = { .name = "mfg_async", @@ -801,7 +758,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x334, .sram_pdn_bits = 0, .sram_pdn_ack_bits = 0, - .clk_id = {CLK_MFG}, + .basic_clk_name = {"mfg"}, }, [MT6797_POWER_DOMAIN_MJC] = { .name = "mjc", @@ -809,7 +766,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = 0x310, .sram_pdn_bits = GENMASK(8, 8), .sram_pdn_ack_bits = GENMASK(12, 12), - .clk_id = {CLK_NONE}, }, }; @@ -834,7 +790,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_ETHSYS_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_NONE}, .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_ETHSYS, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, @@ -844,7 +799,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_HIF0_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_HIFSEL}, + .basic_clk_name = {"hif_sel"}, .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF0, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, @@ -854,7 +809,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_HIF1_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_HIFSEL}, + .basic_clk_name = {"hif_sel"}, .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_HIF1, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, @@ -864,7 +819,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_WB_PWR_CON, .sram_pdn_bits = 0, .sram_pdn_ack_bits = 0, - .clk_id = {CLK_NONE}, .bus_prot_mask = MT7622_TOP_AXI_PROT_EN_WB, .caps = MTK_SCPD_ACTIVE_WAKEUP | MTK_SCPD_FWAIT_SRAM, }, @@ -881,7 +835,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_CONN_PWR_CON, .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M | MT2701_TOP_AXI_PROT_EN_CONN_S, - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT7623A_POWER_DOMAIN_ETH] = { @@ -890,7 +843,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_ETH_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_ETHIF}, + .basic_clk_name = {"ethif"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT7623A_POWER_DOMAIN_HIF] = { @@ -899,14 +852,13 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_HIF_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_ETHIF}, + .basic_clk_name = {"ethif"}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT7623A_POWER_DOMAIN_IFR_MSC] = { .name = "ifr_msc", .sta_mask = PWR_STATUS_IFR_MSC, .ctl_offs = SPM_IFR_MSC_PWR_CON, - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, }; @@ -922,7 +874,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_VDE_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(12, 12), - .clk_id = {CLK_MM}, + .basic_clk_name = {"mm"}, }, [MT8173_POWER_DOMAIN_VENC] = { .name = "venc", @@ -930,7 +882,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_VEN_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_MM, CLK_VENC}, + .basic_clk_name = {"mm", "venc"}, }, [MT8173_POWER_DOMAIN_ISP] = { .name = "isp", @@ -938,7 +890,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_ISP_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(13, 12), - .clk_id = {CLK_MM}, + .basic_clk_name = {"mm"}, }, [MT8173_POWER_DOMAIN_MM] = { .name = "mm", @@ -946,7 +898,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_DIS_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(12, 12), - .clk_id = {CLK_MM}, + .basic_clk_name = {"mm"}, .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 | MT8173_TOP_AXI_PROT_EN_MM_M1, }, @@ -956,7 +908,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_VEN2_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_MM, CLK_VENC_LT}, + .basic_clk_name = {"mm", "venc_lt"}, }, [MT8173_POWER_DOMAIN_AUDIO] = { .name = "audio", @@ -964,7 +916,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_AUDIO_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_NONE}, }, [MT8173_POWER_DOMAIN_USB] = { .name = "usb", @@ -972,7 +923,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_USB_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), - .clk_id = {CLK_NONE}, .caps = MTK_SCPD_ACTIVE_WAKEUP, }, [MT8173_POWER_DOMAIN_MFG_ASYNC] = { @@ -981,7 +931,7 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_MFG_ASYNC_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = 0, - .clk_id = {CLK_MFG}, + .basic_clk_name = {"mfg"}, }, [MT8173_POWER_DOMAIN_MFG_2D] = { .name = "mfg_2d", @@ -989,7 +939,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_MFG_2D_PWR_CON, .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(13, 12), - .clk_id = {CLK_NONE}, }, [MT8173_POWER_DOMAIN_MFG] = { .name = "mfg", @@ -997,7 +946,6 @@ static void mtk_register_power_domains(struct platform_device *pdev, .ctl_offs = SPM_MFG_PWR_CON, .sram_pdn_bits = GENMASK(13, 8), .sram_pdn_ack_bits = GENMASK(21, 16), - .clk_id = {CLK_NONE}, .bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S | MT8173_TOP_AXI_PROT_EN_MFG_M0 | MT8173_TOP_AXI_PROT_EN_MFG_M1 | -- 1.8.1.1.dirty