From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 E5AEC3CB2D9; Fri, 22 May 2026 10:19:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779445149; cv=none; b=Wl1P5utmSFxfvaGqzthetGwUXQP8hBVMRfHgRARd7A1Nu+M79aCTVkNv7ojT08UbjBjFKf6h3JSM4HEjH4bpGahpHFiWx0rR+ob+gzcBWhzSbuHkLtg5pOq00WrroVUij+RHW+mTbf9L3D6m35m9BMdxT+7bLhNGadCn/Vm99r4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779445149; c=relaxed/simple; bh=OFODupkaKLfvDlYVNWWBsPRsyR4Wv5NeZvQbwSHUTP4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eo8qMIV+MDmbnB4sS4xpQvGZe3/ra+eVvEVOrarNA9fyivMDuYHk7fup2mfmkWNb4hDtPLA43cOJ/mZGLMkeCQ+pbv8V8CAkYhm5JfV/ssQHiaDxgwi7LJh84CcdHNcioJMF61xlwBzFJlv4OR2W7xwt5ongB2nAI9aOEs8tin8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=R890KuJL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="R890KuJL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9F2911F00A3D; Fri, 22 May 2026 10:19:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779445147; bh=t1ETYeozg7CFWt2DrNX0CbO/MU4FMFeuD38xoBF1sMg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=R890KuJLkTrgTHNT1i4/eHoOHOMtVRzBIUdmuZG3KNgLngTY77KKakYvXJtS+uqy7 +5MfVU5LahS7U3rfAKgnYKf1hIK6IEJadAN98U4pjs4/zZiwSjq8pvlWp8m2OO1PO1 a/y730K085NG3XWr+8eagG+/6s9F+M/mhQGPkOUvB47W75Hedjsp1dKuSqNLay9/N6 dKlGKBaFRNKv292cEbc1pLZf7IF6tTj7iRA/fGJwiZLWNcKiVjlQbnA6mIgTLbIqAz yTgs4frTHnOlG539uzif3YpxApiC6hqxe0KBI/6dTeapVl3cpcRPhE4dCIEbFIVRE8 YV5FrARG3eUtA== From: Claudiu Beznea To: wsa+renesas@sang-engineering.com, tommaso.merciai.xr@bp.renesas.com, alexandre.belloni@bootlin.com, Frank.Li@nxp.com, p.zabel@pengutronix.de Cc: claudiu.beznea@kernel.org, claudiu.beznea@tuxon.dev, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Claudiu Beznea Subject: [PATCH 14/17] i3c: renesas: Organize structures to avoid unnecessary padding Date: Fri, 22 May 2026 13:18:12 +0300 Message-ID: <20260522101815.1722909-15-claudiu.beznea@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260522101815.1722909-1-claudiu.beznea@kernel.org> References: <20260522101815.1722909-1-claudiu.beznea@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Claudiu Beznea Reorder structure members to reduce padding and improve memory layout. Signed-off-by: Claudiu Beznea --- drivers/i3c/master/renesas-i3c.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/i3c/master/renesas-i3c.c b/drivers/i3c/master/renesas-i3c.c index 631c9c5d8038..5614ed99553c 100644 --- a/drivers/i3c/master/renesas-i3c.c +++ b/drivers/i3c/master/renesas-i3c.c @@ -221,19 +221,19 @@ enum renesas_i3c_event { }; struct renesas_i3c_cmd { + const void *tx_buf; + void *rx_buf; + /* i2c xfer */ + u8 *i2c_buf; + const struct i2c_msg *msg; + int i2c_bytes_left; + int i2c_is_last; u32 cmd0; u32 len; - const void *tx_buf; u32 tx_count; - void *rx_buf; u32 rx_count; u32 err; u8 rnw; - /* i2c xfer */ - int i2c_bytes_left; - int i2c_is_last; - u8 *i2c_buf; - const struct i2c_msg *msg; }; struct renesas_i3c_xfer { @@ -253,21 +253,21 @@ struct renesas_i3c_xferqueue { }; struct renesas_i3c { + void __iomem *regs; + struct clk_bulk_data *clks; + struct reset_control *presetn; + struct reset_control *tresetn; + struct renesas_i3c_xferqueue xferqueue; struct i3c_master_controller base; + unsigned long rate; enum i3c_internal_state internal_state; - u16 maxdevs; u32 free_pos; u32 dyn_addr; u32 i2c_STDBR; u32 i3c_STDBR; u32 extbr; - unsigned long rate; + u16 maxdevs; u8 addrs[RENESAS_I3C_MAX_DEVS]; - struct renesas_i3c_xferqueue xferqueue; - void __iomem *regs; - struct clk_bulk_data *clks; - struct reset_control *presetn; - struct reset_control *tresetn; u8 num_clks; u8 refclk_div; }; -- 2.43.0