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Fri, 20 Feb 2026 23:53:33 -0800 (PST) Received: from gmail.com ([51.154.249.21]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43970bfa1bdsm3189734f8f.3.2026.02.20.23.53.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Feb 2026 23:53:32 -0800 (PST) Date: Sat, 21 Feb 2026 07:53:31 +0000 From: Vaibhav Gupta To: Bjorn Helgaas Cc: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Bjorn Helgaas , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v1] mtd: rawnand: cafe: Use generic power management' Message-ID: References: <20260216090415.675368-1-vaibhavgupta40@gmail.com> <20260217155525.GA3377374@bhelgaas> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260217155525.GA3377374@bhelgaas> On Tue, Feb 17, 2026 at 09:55:25AM -0600, Bjorn Helgaas wrote: > On Mon, Feb 16, 2026 at 09:02:44AM +0000, Vaibhav Gupta wrote: > > Switch to the generic PCI power management framework and remove legacy > > callbacks like .resume(). With the generic framework, the standard PCI > > related work like: > > - pci_save/restore_state() > > - pci_enable/disable_device() > > - pci_set_power_state() > > is handled by the PCI core. > > > > This driver should implement only cafe_nand specific operations in its > > callback function for resume. > > Looks good to me, thanks for doing this! > > I think the commit log is a bit overly specific since this driver > never did any of the PCI-related work it mentions. IMO something like > this would be sufficient: > > Switch from PCI power management to the generic power management > framework so the pci_driver hooks can eventually be retired. > > Reviewed-by: Bjorn Helgaas > Hey Bjorn, Thanks for the review. I will send a v2, and I will add your review tag there. Thanks! -- Vaibhav > > Signed-off-by: Vaibhav Gupta > > --- > > drivers/mtd/nand/raw/cafe_nand.c | 7 +++++-- > > 1 file changed, 5 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/mtd/nand/raw/cafe_nand.c b/drivers/mtd/nand/raw/cafe_nand.c > > index 66385c4fb994..af771c379ec1 100644 > > --- a/drivers/mtd/nand/raw/cafe_nand.c > > +++ b/drivers/mtd/nand/raw/cafe_nand.c > > @@ -837,9 +837,10 @@ static const struct pci_device_id cafe_nand_tbl[] = { > > > > MODULE_DEVICE_TABLE(pci, cafe_nand_tbl); > > > > -static int cafe_nand_resume(struct pci_dev *pdev) > > +static int cafe_nand_resume(struct device *dev) > > { > > uint32_t ctrl; > > + struct pci_dev *pdev = to_pci_dev(dev); > > struct mtd_info *mtd = pci_get_drvdata(pdev); > > struct nand_chip *chip = mtd_to_nand(mtd); > > struct cafe_priv *cafe = nand_get_controller_data(chip); > > @@ -877,12 +878,14 @@ static int cafe_nand_resume(struct pci_dev *pdev) > > return 0; > > } > > > > +static DEFINE_SIMPLE_DEV_PM_OPS(cafe_nand_ops, NULL, cafe_nand_resume); > > + > > static struct pci_driver cafe_nand_pci_driver = { > > .name = "CAFÉ NAND", > > .id_table = cafe_nand_tbl, > > .probe = cafe_nand_probe, > > .remove = cafe_nand_remove, > > - .resume = cafe_nand_resume, > > + .driver.pm = &cafe_nand_ops, > > }; > > > > module_pci_driver(cafe_nand_pci_driver); > > -- > > 2.53.0 > >