From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lamorak.hansenpartnership.com (lamorak.hansenpartnership.com [198.37.111.173]) (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 9C0DF326D62; Tue, 23 Sep 2025 13:09:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.37.111.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758632986; cv=none; b=K4PBKaAX7Z3hzfS4/zin+0HhZWpexCD9zZ5I8YPjOsF16NFjHR2+ZrBZSwYAt4HwjjpDblr3FFZX9bfw9oFcdAkSTSZka2C8xv1bFkaGZvA0TsMkj+A8eM6vcwFh8UlMW4nDqIIPHhN9Hj+mKZsAJHm3fY59dVFRLRmaI9pp5Z8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758632986; c=relaxed/simple; bh=Gf+BM7/CkXdtnwEJxP8KsO1fOgJdod+wLVBUzclUWlM=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=XYGZhvv741yVaaUzMwe9BgPgNq0rAIr2qYW2r6vKjDKiMAd9e686fmFAgtnioIG5KDIp9SZagGk087LFp47sLafbMGcwH6tcDolZdFi0dmR4eGAwx0EJJVd+GVELNB4oNWp9HTzNJZDaeHuvxseIO5a2IxeAro3JkFi6fAszvTU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=HansenPartnership.com; spf=pass smtp.mailfrom=HansenPartnership.com; dkim=pass (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b=NT0VaPmW; arc=none smtp.client-ip=198.37.111.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=HansenPartnership.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=HansenPartnership.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=hansenpartnership.com header.i=@hansenpartnership.com header.b="NT0VaPmW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=hansenpartnership.com; s=20151216; t=1758632982; bh=Gf+BM7/CkXdtnwEJxP8KsO1fOgJdod+wLVBUzclUWlM=; h=Message-ID:Subject:From:To:Date:In-Reply-To:References:From; b=NT0VaPmWmqXlmaSaYQ/+COlINL7ftXzyQpXGqmOXMAenKBzUR5Hced1Ph6b3miKD3 uWVe8IAAVw/Zva9uTnQrb2TqdZEb34xtcdZA9roVIPcZL70z+MwJL5Lih4J8lbgl2G DwLqi8DIf9wE2zdrBR0y/0QQ53r4mB2dFNedJd4g= Received: from lingrow.int.hansenpartnership.com (unknown [IPv6:2601:5c4:4302:c21::a774]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lamorak.hansenpartnership.com (Postfix) with ESMTPSA id 39CD51C0101; Tue, 23 Sep 2025 09:09:42 -0400 (EDT) Message-ID: <1ae97d061da14b0d85c0938c3000ed57ccd39382.camel@HansenPartnership.com> Subject: Re: [PATCH v3 2/2] scsi: dc395x: improve code formatting for the macros From: James Bottomley To: Xinhui Yang , linux-scsi@vger.kernel.org Cc: stable@vger.kernel.org, Mingcong Bai , Kexy Biscuit , Oliver Neukum , Ali Akcaagac , Jamie Lenehan , "Martin K. Petersen" , open list Date: Tue, 23 Sep 2025 09:09:40 -0400 In-Reply-To: <20250923125226.1883391-3-cyan@cyano.uk> References: <20250923125226.1883391-1-cyan@cyano.uk> <20250923125226.1883391-3-cyan@cyano.uk> Autocrypt: addr=James.Bottomley@HansenPartnership.com; prefer-encrypt=mutual; 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 8mT2Eh9SkH+YVOmaKsajgZgrBxA7fWmGoxXswEVxJIFj3vW7yNc0C5HaUdYa5iGOMs4kg2ht4s7yy7NRQuh7BifWjo6BQ6k4S1H+6axZucxhSV1L6zN9d+lr3Xo/vy1unzA== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.3 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Tue, 2025-09-23 at 20:52 +0800, Xinhui Yang wrote: > These DC395x_* macros does not have white spaces around their > arguments, > thus checkpatch.pl throws an error for each change in the macros. >=20 > Also, there are no surrounding parentheses in the expressions for the > read and write macros, which checkpatch.pl also complained about. >=20 > This patch does only formatting improvements to make the macro > definitions align with the previous patch. >=20 > Signed-off-by: Xinhui Yang > --- > =C2=A0drivers/scsi/dc395x.c | 16 ++++++++-------- > =C2=A01 file changed, 8 insertions(+), 8 deletions(-) >=20 > diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c > index aed4f21e8143..cff6fa20e53c 100644 > --- a/drivers/scsi/dc395x.c > +++ b/drivers/scsi/dc395x.c > @@ -91,8 +91,8 @@ > =C2=A0#endif > =C2=A0 > =C2=A0 > -#define > DC395x_LOCK_IO(dev,flags) spin_lock_irqsave(((struct Scsi_Host *)dev)->h= ost_lock,flags) > -#define > DC395x_UNLOCK_IO(dev,flags) spin_unlock_irqrestore(((struct Scsi_Host*)d= ev)->host_lock,flags) > +#define DC395x_LOCK_IO(dev, > flags) spin_lock_irqsave(((struct Scsi_Host *)dev)->host_lock, flags) > +#define DC395x_UNLOCK_IO(dev, > flags) spin_unlock_irqrestore(((struct Scsi_Host *)dev)->host_lock, flag= s) > =C2=A0 > =C2=A0/* > =C2=A0 * read operations that may trigger side effects in the hardware, > @@ -100,12 +100,12 @@ > =C2=A0 */ > =C2=A0#define DC395x_peek8(acb, address) ((void)(inb(acb- > >io_port_base + (address)))) > =C2=A0/* normal read write operations goes here. */ > -#define DC395x_read8(acb,address) (u8)(inb(acb- > >io_port_base + (address))) > -#define DC395x_read16(acb,address) (u16)(inw(acb- > >io_port_base + (address))) > -#define DC395x_read32(acb,address) (u32)(inl(acb- > >io_port_base + (address))) > -#define DC395x_write8(acb,address,value) outb((value), acb- > >io_port_base + (address)) > -#define DC395x_write16(acb,address,value) outw((value), acb- > >io_port_base + (address)) > -#define DC395x_write32(acb,address,value) outl((value), acb- > >io_port_base + (address)) > +#define DC395x_read8(acb, address) ((u8)=C2=A0=C2=A0=C2=A0 (inb(acb- > >io_port_base + (address)))) > +#define DC395x_read16(acb, address) ((u16)=C2=A0=C2=A0 (inw(acb- > >io_port_base + (address)))) > +#define DC395x_read32(acb, address) ((u32)=C2=A0=C2=A0 (inl(acb- > >io_port_base + (address)))) This doesn't look right. The problem checkpatch is complaining about is surely that the cast makes it a compound statement. However, since inb inw and inl all return the types they're being cast to the correct solution is surely to remove the cast making these single statements that don't need parentheses. > +#define DC395x_write8(acb, address, value) (outb((value), acb- > >io_port_base + (address))) > +#define DC395x_write16(acb, address, value) (outw((value), acb- > >io_port_base + (address))) > +#define DC395x_write32(acb, address, value) (outl((value), acb- > >io_port_base + (address))) And these are single statements which shouldn't need parentheses. Are you sure checkpatch is complaining about this, because if it is then checkpatch needs fixing. Regards, James