From patchwork Tue Dec 23 17:07:04 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felipe Balbi X-Patchwork-Id: 5534341 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E85319F2F7 for ; Tue, 23 Dec 2014 17:07:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C0CD62018E for ; Tue, 23 Dec 2014 17:07:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9A6D32012D for ; Tue, 23 Dec 2014 17:07:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751932AbaLWRHt (ORCPT ); Tue, 23 Dec 2014 12:07:49 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:43673 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751440AbaLWRHt (ORCPT ); Tue, 23 Dec 2014 12:07:49 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id sBNH7MRT027933; Tue, 23 Dec 2014 11:07:22 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id sBNH7MZB009350; Tue, 23 Dec 2014 11:07:22 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.174.1; Tue, 23 Dec 2014 11:07:22 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id sBNH7Lsg020684; Tue, 23 Dec 2014 11:07:22 -0600 Date: Tue, 23 Dec 2014 11:07:04 -0600 From: Felipe Balbi To: Tony Lindgren CC: Felipe Balbi , Igor Grinberg , Linux OMAP Mailing List , Linux ARM Kernel Mailing List Subject: Re: [PATCH] arm: omap: reduce zImage size on omap2plus_defconfig Message-ID: <20141223170704.GD9147@saruman> Reply-To: References: <1419271535-4057-1-git-send-email-balbi@ti.com> <54991A25.2030804@compulab.co.il> <20141223161936.GA9147@saruman> <20141223165634.GL23854@atomide.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20141223165634.GL23854@atomide.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, T_SUBJ_BRKN_WORDNUMS, T_TVD_MIME_EPI, UNPARSEABLE_RELAY, UPPERCASE_50_75 autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP On Tue, Dec 23, 2014 at 08:56:35AM -0800, Tony Lindgren wrote: > * Felipe Balbi [141223 08:22]: > > On Tue, Dec 23, 2014 at 09:30:45AM +0200, Igor Grinberg wrote: > > > On 12/22/14 20:05, Felipe Balbi wrote: > > > > CONFIG_DEBUG_GPIO=y > > > > CONFIG_GPIO_SYSFS=y > > > > -CONFIG_GPIO_TWL4030=y > > > > -CONFIG_W1=y > > > > +CONFIG_GPIO_TWL4030=m > > > > > > w/o this devices wired to twl gpios will not come up and likely > > > will miss the enumeration... > > > > for example ? > > The TWL4030 part needs to be checked for the legacy booting to > make sure the board-*.c file *_twl_gpio_setup() callbacks still > work properly. Or you may want to leave it for later. then I'll leave it for later, it's so small anyway. V2 below: 8<------------------------------------------------------------------ From fcda0df51e3138f4901516fe850020968ca228a3 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Mon, 22 Dec 2014 11:56:27 -0600 Subject: [PATCH v2] arm: omap: reduce zImage size on omap2plus_defconfig By converting a few drivers to modules because they won't be needed during boot anyways, we can shave off about 700KiB of text. Note that while at that, and after discussions with Tony Lindgren, a few extra drivers were either removed because they weren't needed, or added because they're useful for debugging/testing. Below is output of size for pre and post vmlinux binaries: text data bss dec hex filename 8345476 757948 8411840 17515264 10b4300 vmlinux-post-patch 9069110 800316 8419072 18288498 1170f72 vmlinux-pre-patch Signed-off-by: Felipe Balbi --- Changes since v1: - leave TWL4030 gpio alone arch/arm/configs/omap2plus_defconfig | 119 ++++++++++++++++++++++------------- 1 file changed, 74 insertions(+), 45 deletions(-) diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index c2c3a85..7e57998 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -13,7 +13,6 @@ CONFIG_CGROUP_FREEZER=y CONFIG_CGROUP_DEVICE=y CONFIG_CPUSETS=y CONFIG_CGROUP_CPUACCT=y -CONFIG_RESOURCE_COUNTERS=y CONFIG_MEMCG=y CONFIG_MEMCG_SWAP=y CONFIG_MEMCG_KMEM=y @@ -68,7 +67,6 @@ CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y CONFIG_CPU_FREQ_GOV_POWERSAVE=y CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y -CONFIG_GENERIC_CPUFREQ_CPU0=y # CONFIG_ARM_OMAP2PLUS_CPUFREQ is not set CONFIG_CPU_IDLE=y CONFIG_BINFMT_MISC=y @@ -103,7 +101,7 @@ CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_DMA_CMA=y CONFIG_OMAP_OCP2SCP=y -CONFIG_CONNECTOR=y +CONFIG_CONNECTOR=m CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_BLOCK=y @@ -122,14 +120,13 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=16384 CONFIG_SENSORS_TSL2550=m CONFIG_BMP085_I2C=m -CONFIG_SENSORS_LIS3_I2C=m CONFIG_SRAM=y +CONFIG_SENSORS_LIS3_I2C=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_SCSI_SCAN_ASYNC=y -CONFIG_ATA=y -CONFIG_SATA_AHCI_PLATFORM=y -CONFIG_MD=y +CONFIG_ATA=m +CONFIG_SATA_AHCI_PLATFORM=m CONFIG_NETDEVICES=y # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set @@ -154,8 +151,8 @@ CONFIG_TI_CPSW=y # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_AT803X_PHY=y CONFIG_SMSC_PHY=y -CONFIG_USB_USBNET=y -CONFIG_USB_NET_SMSC95XX=y +CONFIG_USB_USBNET=m +CONFIG_USB_NET_SMSC95XX=m CONFIG_USB_ALI_M5632=y CONFIG_USB_AN2720=y CONFIG_USB_EPSON2888=y @@ -172,18 +169,22 @@ CONFIG_WLCORE_SDIO=m CONFIG_MWIFIEX=m CONFIG_MWIFIEX_SDIO=m CONFIG_MWIFIEX_USB=m -CONFIG_INPUT_JOYDEV=y -CONFIG_INPUT_EVDEV=y -CONFIG_KEYBOARD_GPIO=y +CONFIG_INPUT_JOYDEV=m +CONFIG_INPUT_EVDEV=m +CONFIG_KEYBOARD_ATKBD=m +CONFIG_KEYBOARD_GPIO=m CONFIG_KEYBOARD_MATRIX=m -CONFIG_KEYBOARD_TWL4030=y +CONFIG_KEYBOARD_OMAP4=m +CONFIG_KEYBOARD_TWL4030=m +# CONFIG_INPUT_MOUSE is not set CONFIG_INPUT_TOUCHSCREEN=y CONFIG_TOUCHSCREEN_ADS7846=m CONFIG_TOUCHSCREEN_EDT_FT5X06=m CONFIG_TOUCHSCREEN_TSC2005=m CONFIG_TOUCHSCREEN_TSC2007=m CONFIG_INPUT_MISC=y -CONFIG_INPUT_TWL4030_PWRBUTTON=y +CONFIG_INPUT_TWL4030_PWRBUTTON=m +CONFIG_SERIO=m # CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y @@ -196,15 +197,16 @@ CONFIG_SERIAL_8250_RSA=y CONFIG_SERIAL_OF_PLATFORM=y CONFIG_SERIAL_OMAP=y CONFIG_SERIAL_OMAP_CONSOLE=y -CONFIG_HW_RANDOM=y CONFIG_I2C_CHARDEV=y CONFIG_SPI=y CONFIG_SPI_OMAP24XX=y +CONFIG_SPI_TI_QSPI=m CONFIG_PINCTRL_SINGLE=y CONFIG_DEBUG_GPIO=y CONFIG_GPIO_SYSFS=y CONFIG_GPIO_TWL4030=y -CONFIG_W1=y +CONFIG_W1=m +CONFIG_HDQ_MASTER_OMAP=m CONFIG_BATTERY_BQ27x00=m CONFIG_CHARGER_ISP1704=m CONFIG_CHARGER_TWL4030=m @@ -213,20 +215,21 @@ CONFIG_CHARGER_BQ24190=m CONFIG_CHARGER_BQ24735=m CONFIG_POWER_RESET=y CONFIG_POWER_AVS=y +CONFIG_HWMON=m CONFIG_SENSORS_LM75=m -CONFIG_THERMAL=y +CONFIG_SENSORS_TMP102=m +CONFIG_THERMAL=m CONFIG_THERMAL_GOV_FAIR_SHARE=y CONFIG_THERMAL_GOV_USER_SPACE=y CONFIG_CPU_THERMAL=y -CONFIG_TI_SOC_THERMAL=y +CONFIG_TI_SOC_THERMAL=m CONFIG_TI_THERMAL=y CONFIG_OMAP4_THERMAL=y CONFIG_OMAP5_THERMAL=y CONFIG_DRA752_THERMAL=y CONFIG_WATCHDOG=y -CONFIG_OMAP_WATCHDOG=y -CONFIG_TWL4030_WATCHDOG=y -CONFIG_MFD_SYSCON=y +CONFIG_OMAP_WATCHDOG=m +CONFIG_TWL4030_WATCHDOG=m CONFIG_MFD_PALMAS=y CONFIG_MFD_TPS65217=y CONFIG_MFD_TPS65218=y @@ -289,51 +292,77 @@ CONFIG_SND_OMAP_SOC=m CONFIG_SND_OMAP_SOC_OMAP_TWL4030=m CONFIG_SND_OMAP_SOC_OMAP_ABE_TWL6040=m CONFIG_SND_OMAP_SOC_OMAP3_PANDORA=m -CONFIG_USB=y +CONFIG_HID_GENERIC=m +CONFIG_USB_HIDDEV=y +CONFIG_USB_KBD=m +CONFIG_USB_MOUSE=m +CONFIG_USB=m CONFIG_USB_ANNOUNCE_NEW_DEVICES=y -CONFIG_USB_MON=y +CONFIG_USB_MON=m CONFIG_USB_XHCI_HCD=m -CONFIG_USB_WDM=y -CONFIG_USB_STORAGE=y +CONFIG_USB_WDM=m +CONFIG_USB_STORAGE=m +CONFIG_USB_MUSB_HDRC=m +CONFIG_USB_MUSB_OMAP2PLUS=m +CONFIG_USB_MUSB_AM35X=m +CONFIG_USB_MUSB_DSPS=m CONFIG_USB_DWC3=m -CONFIG_USB_TEST=y +CONFIG_USB_TEST=m CONFIG_AM335X_PHY_USB=y -CONFIG_USB_GADGET=y +CONFIG_USB_GADGET=m CONFIG_USB_GADGET_DEBUG=y CONFIG_USB_GADGET_DEBUG_FILES=y CONFIG_USB_GADGET_DEBUG_FS=y +CONFIG_USB_CONFIGFS=m +CONFIG_USB_CONFIGFS_SERIAL=y +CONFIG_USB_CONFIGFS_ACM=y +CONFIG_USB_CONFIGFS_OBEX=y +CONFIG_USB_CONFIGFS_NCM=y +CONFIG_USB_CONFIGFS_ECM=y +CONFIG_USB_CONFIGFS_ECM_SUBSET=y +CONFIG_USB_CONFIGFS_RNDIS=y +CONFIG_USB_CONFIGFS_EEM=y +CONFIG_USB_CONFIGFS_MASS_STORAGE=y +CONFIG_USB_CONFIGFS_F_LB_SS=y +CONFIG_USB_CONFIGFS_F_FS=y +CONFIG_USB_CONFIGFS_F_UAC1=y +CONFIG_USB_CONFIGFS_F_UAC2=y +CONFIG_USB_CONFIGFS_F_MIDI=y +CONFIG_USB_CONFIGFS_F_HID=y CONFIG_USB_ZERO=m CONFIG_MMC=y CONFIG_SDIO_UART=y CONFIG_MMC_OMAP=y CONFIG_MMC_OMAP_HS=y CONFIG_NEW_LEDS=y -CONFIG_LEDS_CLASS=y -CONFIG_LEDS_GPIO=y +CONFIG_LEDS_CLASS=m +CONFIG_LEDS_GPIO=m CONFIG_LEDS_TRIGGERS=y -CONFIG_LEDS_TRIGGER_TIMER=y -CONFIG_LEDS_TRIGGER_ONESHOT=y -CONFIG_LEDS_TRIGGER_HEARTBEAT=y -CONFIG_LEDS_TRIGGER_BACKLIGHT=y +CONFIG_LEDS_TRIGGER_TIMER=m +CONFIG_LEDS_TRIGGER_ONESHOT=m +CONFIG_LEDS_TRIGGER_HEARTBEAT=m +CONFIG_LEDS_TRIGGER_BACKLIGHT=m CONFIG_LEDS_TRIGGER_CPU=y -CONFIG_LEDS_TRIGGER_GPIO=y -CONFIG_LEDS_TRIGGER_DEFAULT_ON=y +CONFIG_LEDS_TRIGGER_GPIO=m +CONFIG_LEDS_TRIGGER_DEFAULT_ON=m CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_TWL92330=y -CONFIG_RTC_DRV_TWL4030=y -CONFIG_RTC_DRV_OMAP=y +CONFIG_RTC_DRV_TWL4030=m +CONFIG_RTC_DRV_OMAP=m CONFIG_DMADEVICES=y CONFIG_TI_EDMA=y CONFIG_DMA_OMAP=y -CONFIG_EXTCON=y -CONFIG_EXTCON_PALMAS=y +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXTCON=m +CONFIG_EXTCON_PALMAS=m +CONFIG_TI_EMIF=m CONFIG_PWM=y -CONFIG_PWM_TIECAP=y -CONFIG_PWM_TIEHRPWM=y -CONFIG_PWM_TWL=y -CONFIG_PWM_TWL_LED=y -CONFIG_OMAP_USB2=y -CONFIG_TI_PIPE3=y +CONFIG_PWM_TIECAP=m +CONFIG_PWM_TIEHRPWM=m +CONFIG_PWM_TWL=m +CONFIG_PWM_TWL_LED=m +CONFIG_OMAP_USB2=m +CONFIG_TI_PIPE3=m CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y # CONFIG_EXT3_FS_XATTR is not set