From patchwork Thu Apr 3 15:59:14 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 878227 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3581D251786; Thu, 3 Apr 2025 16:00:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743696056; cv=none; b=bJ9HA8Mk7AAInpReSXyhbni2r4cjebNwhAIGKUhRlQPq3qz6HCTUs62WyDtg5LB09O7a+HjHEo9izsWb4ZmMgU5xmsnGWrD5Z90kPT6PexgH48NvFcW8q9wycG/rMq7/2MUOknQiswUow2rNvL2D9w9K9Pab9gCGm6irCtXP6YY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743696056; c=relaxed/simple; bh=vjI5klfXDk5T17g4Xw3ZZiIo7UPS2209JJJrsDjn1iI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QyX3V+P+AOHHurNA4CuGlEvAmWdA20XAuDE1uMGQdQp++aeusnBLSWJepBzQprxQ2pBeAp5HoK3CedZUi2ptJNlOP8cwr1Qn6bAsCQeXcz7+Ac5rLsxGitfu/ZwmNtJMxc2QGXiy5Vswa7jgHWZH5rcnHLK1S3sWGABvAPkQcPg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=OfUtCzvv; arc=none smtp.client-ip=192.198.163.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="OfUtCzvv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743696055; x=1775232055; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vjI5klfXDk5T17g4Xw3ZZiIo7UPS2209JJJrsDjn1iI=; b=OfUtCzvvzZLQnk7pHtMhZLNGUpKOVes6sxFTb4jQ08/+JE7jjCxQCVlJ kMZA/9Xdfj7a5enWjOwvyZfMC8fLvw9O3WkzSXI1IgJZI1ipNQI2RoJqQ 2pzInQp550ek3wrsmAP55RmuaLnIydolIxbZ7lRr2wBX9HIWk1kmB6yot sdtjV4UH+EDq3XxBPulyu/I1K4UEn5fNc0+gE2KrmEFcv4t6XKml/58VA 8ONfSMzlVBtawPGR5Fzo5Ozb2yaLKNTff7fgxOocPXnQX7dATE/IN0Y8y Bi6T0adsNCNQ5pcOrysHJOLOGxOvOlLdL2uDozgmr7FHuv4Pnt2+etfE9 g==; X-CSE-ConnectionGUID: WjTBo1VMQ1uwVelVC/fDKA== X-CSE-MsgGUID: INwv4u2OQreTJ92X5glQ2g== X-IronPort-AV: E=McAfee;i="6700,10204,11393"; a="44369243" X-IronPort-AV: E=Sophos;i="6.15,184,1739865600"; d="scan'208";a="44369243" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2025 09:00:52 -0700 X-CSE-ConnectionGUID: dbHragxiS2C12LDSG0jNPg== X-CSE-MsgGUID: L9hMbCSHTeKpUxJfCa8FqQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,184,1739865600"; d="scan'208";a="158036301" Received: from black.fi.intel.com ([10.237.72.28]) by fmviesa001.fm.intel.com with ESMTP; 03 Apr 2025 09:00:37 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 47F2F22A; Thu, 03 Apr 2025 19:00:36 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Bartosz Golaszewski , linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Mika Westerberg , Linus Walleij , Bartosz Golaszewski Subject: [PATCH v2 3/6] gpiolib: acpi: Reduce memory footprint for struct acpi_gpio_params Date: Thu, 3 Apr 2025 18:59:14 +0300 Message-ID: <20250403160034.2680485-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250403160034.2680485-1-andriy.shevchenko@linux.intel.com> References: <20250403160034.2680485-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The line_index member in the struct acpi_gpio_params replicates what is covered in the ACPI GpioIo() or GpioInt() resource. The value there is limited to 16-bit one, so we don't really need to have a full 32-bit storage for it. Together with followed boolean the structure will be smaller. add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-3 (-3) Function old new delta acpi_gpio_property_lookup 417 414 -3 Total: Before=15361, After=15358, chg -0.02% `pahole` difference before and after: - /* size: 12, cachelines: 1, members: 3 */ - /* padding: 3 */ + /* size: 8, cachelines: 1, members: 3 */ + /* padding: 1 */ Signed-off-by: Andy Shevchenko --- include/linux/gpio/consumer.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index 45b651c05b9c..899179972bec 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -587,7 +587,7 @@ struct gpio_desc *devm_fwnode_gpiod_get(struct device *dev, struct acpi_gpio_params { unsigned int crs_entry_index; - unsigned int line_index; + unsigned short line_index; bool active_low; };