linux-kernel - Re: [PATCH v8 char-misc-next 1/5] misc: microchip: pci1xxxx: Fix error handling path in probe function

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Message-ID: <3d2767e2b9fb075f2c225e27faebaaa297151ce1.camel@microchip.com>
Date:   Thu, 30 Mar 2023 05:19:27 +0000
From:   <VaibhaavRam.TL@...rochip.com>
To:     <gregkh@...uxfoundation.org>
CC:     <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <UNGLinuxDriver@...rochip.com>, <arnd@...db.de>,
        <Tharunkumar.Pasumarthi@...rochip.com>
Subject: Re: [PATCH v8 char-misc-next 1/5] misc: microchip: pci1xxxx: Fix
 error handling path in probe function

On Wed, 2023-03-29 at 11:59 +0200, Greg KH wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you
> know the content is safe
> 
> On Tue, Mar 28, 2023 at 08:10:04PM +0530, Vaibhaav Ram T.L wrote:
> > From: Kumaravel Thiagarajan <kumaravel.thiagarajan@...rochip.com>
> > 
> > Removed unnecessary header files.
> 
> That's not a "fix", it is a cleanup.
> 
> > Fix error handling path in probe function.
> > Add pci_free_irq_vectors and auxiliary_device_delete in
> > error handling path.
> 
> All of these should be individual patches, right?
Ok. I will split this patch into multiple patches.
> 
> And you have trailing whitespace here :(
Ok. I will correct this.
> 
> > 
> > Fixes: 393fc2f5948f ("misc: microchip: pci1xxxx: load auxiliary bus
> > driver for the PIO function in the multi-function endpoint of
> > pci1xxxx device.")
> 
> Is this really a fix of that commit?  What was wrong there, just the
> error handling?
Yes, There are two errors in the error handling path.
> 
> > Reported by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> > 
> > Co-developed-by: Tharun Kumar P
> > <tharunkumar.pasumarthi@...rochip.com>
> 
> No blank line there please.
Ok.
> 
> > Signed-off-by: Tharun Kumar P
> > <tharunkumar.pasumarthi@...rochip.com>
> > Signed-off-by: Kumaravel Thiagarajan
> > <kumaravel.thiagarajan@...rochip.com>
> > Signed-off-by: Vaibhaav Ram T.L <vaibhaavram.tl@...rochip.com>
> > ---
> >  drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c | 104 +++++++++-----
> > ----
> >  1 file changed, 55 insertions(+), 49 deletions(-)
> > 
> > diff --git a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c
> > b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c
> > index 32af2b14ff34..64302fdfbefc 100644
> > --- a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c
> > +++ b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c
> > @@ -1,16 +1,15 @@
> >  // SPDX-License-Identifier: GPL-2.0
> > -// Copyright (C) 2022 Microchip Technology Inc.
> > +// Copyright (C) 2022-2023 Microchip Technology Inc.
> > 
> > -#include <linux/mfd/core.h>
> > +#include <linux/interrupt.h>
> >  #include <linux/module.h>
> >  #include <linux/pci.h>
> > -#include <linux/spinlock.h>
> > -#include <linux/gpio/driver.h>
> > -#include <linux/interrupt.h>
> > -#include <linux/io.h>
> >  #include <linux/idr.h>
> > +#include <linux/io.h>
> >  #include "mchp_pci1xxxx_gp.h"
> > 
> > +#define PCI_DRIVER_NAME                      "PCI1xxxxGP"
> 
> This is not a "fix" but rather a new change.
Ok. Will correct this.
> 
> All of the changes in here are not related, break this up into "one
> logical change per patch" please.
Ok Greg. I understand this now.
> 
> Thank You.


Regards,
Vaibhaav Ram