From patchwork Wed Oct 14 11:02:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 11837503 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8DD0314B5 for ; Wed, 14 Oct 2020 11:02:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 741DA20878 for ; Wed, 14 Oct 2020 11:02:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730490AbgJNLCp (ORCPT ); Wed, 14 Oct 2020 07:02:45 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:18022 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730467AbgJNLCo (ORCPT ); Wed, 14 Oct 2020 07:02:44 -0400 X-IronPort-AV: E=Sophos;i="5.77,374,1596466800"; d="scan'208";a="59768253" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 14 Oct 2020 20:02:42 +0900 Received: from localhost.localdomain (unknown [172.29.51.165]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id B344540078A0; Wed, 14 Oct 2020 20:02:40 +0900 (JST) From: Biju Das To: Linus Walleij , Geert Uytterhoeven , Marek Vasut Cc: Biju Das , linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, Chris Paterson , Biju Das , Prabhakar Mahadev Lad Subject: [PATCH RFC] pinctrl: sh-pfc: pfc-r8a77965: Optimize pinctrl image size for RZ/G2N Date: Wed, 14 Oct 2020 12:02:38 +0100 Message-Id: <20201014110238.9600-1-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Optimize pinctrl image size, when only RZ/G2N is enabled in the defconfig. (ie, disabling CONFIG_ARCH_R8A77965 from the defconfig) with this patch and disabling CONFIG_ARCH_R8A77965: $ size drivers/pinctrl/sh-pfc/pfc-r8a77965.o text data bss dec hex filename 49384 0 0 49384 c0e8 drivers/pinctrl/sh-pfc/pfc-r8a77965.o without patch: $ size drivers/pinctrl/sh-pfc/pfc-r8a77965.o text data bss dec hex filename 51848 0 0 51848 ca88 drivers/pinctrl/sh-pfc/pfc-r8a77965.o Signed-off-by: Biju Das --- This patch will save ~ 6KB=(3x 2KB/SoC) of memory on RZ/G2[HMN] u-boot[1] with multi dtb support. As per discussion [1], u-boot imports PFC and Clock tables from Linux. [1] https://patchwork.ozlabs.org/project/uboot/patch/20201013085205.6075-4-biju.das.jz@bp.renesas.com/ 1) By compiling out Automative parts $ size drivers/pinctrl/renesas/pfc-r8a77965.o text data bss dec hex filename 46141 0 0 46141 b43d drivers/pinctrl/renesas/pfc-r8a77965.o 2) without patch $ size drivers/pinctrl/renesas/pfc-r8a77965.o text data bss dec hex filename 48191 0 0 48191 bc3f drivers/pinctrl/renesas/pfc-r8a77965.o Please share your comments. --- drivers/pinctrl/sh-pfc/pfc-r8a77965.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77965.c b/drivers/pinctrl/sh-pfc/pfc-r8a77965.c index 6616f5210b9d..8e80b96aa4e5 100644 --- a/drivers/pinctrl/sh-pfc/pfc-r8a77965.c +++ b/drivers/pinctrl/sh-pfc/pfc-r8a77965.c @@ -18,6 +18,14 @@ #include "core.h" #include "sh_pfc.h" +#ifdef CONFIG_PINCTRL_PFC_R8A77965 +#define PFC_R8A77965_GROUP (30) +#define PFC_R8A77965_FUNCTION (4) +#else +#define PFC_R8A77965_GROUP (0) +#define PFC_R8A77965_FUNCTION (0) +#endif + #define CFG_FLAGS (SH_PFC_PIN_CFG_DRIVE_STRENGTH | SH_PFC_PIN_CFG_PULL_UP_DOWN) #define CPU_ALL_GP(fn, sfx) \ @@ -1847,6 +1855,7 @@ static const unsigned int canfd1_data_mux[] = { CANFD1_TX_MARK, CANFD1_RX_MARK, }; +#ifdef CONFIG_PINCTRL_PFC_R8A77965 /* - DRIF0 --------------------------------------------------------------- */ static const unsigned int drif0_ctrl_a_pins[] = { /* CLK, SYNC */ @@ -2120,6 +2129,7 @@ static const unsigned int drif3_data1_b_pins[] = { static const unsigned int drif3_data1_b_mux[] = { RIF3_D1_B_MARK, }; +#endif /* - DU --------------------------------------------------------------------- */ static const unsigned int du_rgb666_pins[] = { @@ -4380,7 +4390,7 @@ static const unsigned int vin5_clk_mux[] = { static const struct { struct sh_pfc_pin_group common[318]; - struct sh_pfc_pin_group automotive[30]; + struct sh_pfc_pin_group automotive[PFC_R8A77965_GROUP]; } pinmux_groups = { .common = { SH_PFC_PIN_GROUP(audio_clk_a_a), @@ -4703,6 +4713,7 @@ static const struct { SH_PFC_PIN_GROUP(vin5_clk), }, .automotive = { +#ifdef CONFIG_PINCTRL_PFC_R8A77965 SH_PFC_PIN_GROUP(drif0_ctrl_a), SH_PFC_PIN_GROUP(drif0_data0_a), SH_PFC_PIN_GROUP(drif0_data1_a), @@ -4733,6 +4744,7 @@ static const struct { SH_PFC_PIN_GROUP(drif3_ctrl_b), SH_PFC_PIN_GROUP(drif3_data0_b), SH_PFC_PIN_GROUP(drif3_data1_b), +#endif } }; @@ -4792,6 +4804,7 @@ static const char * const canfd1_groups[] = { "canfd1_data", }; +#ifdef CONFIG_PINCTRL_PFC_R8A77965 static const char * const drif0_groups[] = { "drif0_ctrl_a", "drif0_data0_a", @@ -4833,6 +4846,7 @@ static const char * const drif3_groups[] = { "drif3_data0_b", "drif3_data1_b", }; +#endif static const char * const du_groups[] = { "du_rgb666", @@ -5250,7 +5264,7 @@ static const char * const vin5_groups[] = { static const struct { struct sh_pfc_function common[51]; - struct sh_pfc_function automotive[4]; + struct sh_pfc_function automotive[PFC_R8A77965_FUNCTION]; } pinmux_functions = { .common = { SH_PFC_FUNCTION(audio_clk), @@ -5306,10 +5320,12 @@ static const struct { SH_PFC_FUNCTION(vin5), }, .automotive = { +#ifdef CONFIG_PINCTRL_PFC_R8A77965 SH_PFC_FUNCTION(drif0), SH_PFC_FUNCTION(drif1), SH_PFC_FUNCTION(drif2), SH_PFC_FUNCTION(drif3), +#endif } };