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 609013EAC72; Mon, 8 Jun 2026 20:16:35 +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=1780949796; cv=none; b=i/FUIv9LWb4+wwko83bdaenGHco46VZUF2y5y6tncRQKP871KXwIKb2T07EIdwh+OQcv45fnvA5GDLba5y/KnHL8UYPVb59iaD9aJTnYppQ1V9RPAZqdnU8rHn5pXZM45PXFHSJISIcX1bHjN0p5cerd341/jjRk6VgzozCtaYA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780949796; c=relaxed/simple; bh=y4+yQUya3bghX14Xs5byx+CWoux0HeYh5h5ilNB4hH0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=F4qDUrti9TZiBM+1BM4JIYsxId70gmbiAxxpFI+OEaaQOoLIfvV0fQcEU3FWKBdEaZXEyt+pufkJz97V/DvnQ688mnRUtEYZUtUR+kOpHGJMOtFRaYzMrln3sfH5TrO/So2Nyv7CE/d6B9Mi/aI1FA//JkkHjxvUT/q+Qd451Bw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FrrcQOi3; 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="FrrcQOi3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99A7D1F00893; Mon, 8 Jun 2026 20:16:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780949795; bh=+eKo+QBFA7yJaVxAS/CPkbCjR6/ASKa96gDMPM3c0i8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FrrcQOi32WqR74lAnM0FPk5/SBPESSqdvx43Txa5icoGj/t8IngEgVxRTO8RWRf4n HjjDixLO6olAc67k8Vs1wC6gKZKH8g+KEE+WfETZGTK0b3fijxofbpeT4NfZ+NlBJu D4cBkPJ47rjeaYxg+DG0aj9qfLekEqRpSGaIE9eDrrMMPDW7xAwHcs4T/PC404N1BT C2dhLNcBdp1g1tWoZEP8VKiNUAV2phU2SFDdttmbkhiauL9BcGRjc/tlDIFUAWenZJ IVTjOjtyhHyr1EOHXJSblQUrEYTwDRwwSdUqs0m3DU6+AiF9Fo9W0g1Batlb4usE0l 1D7R9KV+kXT3w== 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 v3 14/17] i3c: renesas: Organize structures to avoid unnecessary padding Date: Mon, 8 Jun 2026 23:15:40 +0300 Message-ID: <20260608201543.804902-15-claudiu.beznea@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260608201543.804902-1-claudiu.beznea@kernel.org> References: <20260608201543.804902-1-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. Reviewed-by: Frank Li Signed-off-by: Claudiu Beznea --- Changes in v3: - none Changes in v2: - collected tags drivers/i3c/master/renesas-i3c.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/i3c/master/renesas-i3c.c b/drivers/i3c/master/renesas-i3c.c index 38ce722881da..103c938d1455 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 { @@ -262,22 +262,22 @@ struct renesas_i3c_addr { }; 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; + struct renesas_i3c_addr addrs[RENESAS_I3C_MAX_DEVS]; + unsigned long rate; enum i3c_internal_state internal_state; - u16 maxdevs; + bool resuming; u32 free_pos; u32 dyn_addr; u32 i2c_STDBR; u32 i3c_STDBR; u32 extbr; - unsigned long rate; - struct renesas_i3c_addr 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; - bool resuming; + u16 maxdevs; u8 num_clks; u8 refclk_div; }; -- 2.43.0