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 E62633E5A24 for ; Fri, 12 Jun 2026 16:05:41 +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=1781280342; cv=none; b=PJeNaR2GDNLf2cZL84JFsIdDRh8RwvaEO98u21P4ZPgF0O0NVHX0cs9/cyr6BZZ4lRiNpq6UMi6VQ3gETtnOdg0mGwzxbRaY/QXIAQkxkNoTetMVPcNpKWb3ToZyNLeZeD80mRXt3pzU90VwsdioPYyilt/DhT++u/DkAPS0b8E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781280342; c=relaxed/simple; bh=jgEhXBCLmaBJG7DRKWDVEFPcacRdDUKUAxAr6gwdnk0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZwRWn7eWgVlb/zaL52B3fz3BLhnjj0ATx/Hek6dhKWGrcxDHCsf1byjiB1v9wEWtVox9ziuQKFXNu2u+DNmcxHjW+Bq1coyhfFnItBM5pQQuQxxbBNtcWLNWRx0drO6lYKa/stzluZKb9p/Awcl54zpewoDxUjYJ1uV08L5DrHM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eVdCmdB7; 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="eVdCmdB7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 895C71F00A3A; Fri, 12 Jun 2026 16:05:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781280341; bh=BNa1Yy4/n4O8yP/n3E9RJCNAEBckIesIRrdI7M/f4KY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=eVdCmdB7vJi8arbvUAmc7GpYBuOnClmShkGc7doM6AA9gYizunk8DDqUeFsv0yn6j jQaPmMj22aZMIst6zJa3sXdWni1Gy2sSnLvrKdrb9FZJUmdgFjFeYQGKEQ7GH1cwiJ n1cSmvMK1gV1LRWZdP1VloLryPDtyOmu6bXNrjszZHjklUH0UIb6oq8NU5bpDzWC4J l9GNyeQRPhlMzGtv2grX2du/qJoj2J8iQUoakeVo40gdX/9i08xJI6DK9FoUZj5i8H d5BVFXE1irdp4okaJU6L0pDVi3m4W5bHRwmDwxjNjbP6Jg2+uHx1hgS/nhPJ+FVMxc FAWYjy/FHOlbw== 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, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v4 13/16] i3c: renesas: Organize structures to avoid unnecessary padding Date: Fri, 12 Jun 2026 19:04:55 +0300 Message-ID: <20260612160458.3102106-14-claudiu.beznea@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260612160458.3102106-1-claudiu.beznea@kernel.org> References: <20260612160458.3102106-1-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 v4: - none 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 96d4fed32bf9..ab73fee1813b 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