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Tue, 27 May 2025 10:44:07 +0000 (GMT) From: "Shradha Todi" To: "'Krzysztof Kozlowski'" Cc: , , , , , , , , , , , , , , , , , , , , "'Pankaj Dubey'" In-Reply-To: <20250521-nostalgic-fox-of-valor-f6d725@kuoka> Subject: RE: [PATCH 05/10] PCI: exynos: Add structure to hold resource operations Date: Tue, 27 May 2025 16:14:06 +0530 Message-ID: <0e2401dbcef4$476ba2a0$d642e7e0$@samsung.com> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQKa2HaEso6x90WQFKmaYw3pYxuT6gIERDRHAaZvXO0CKPaYJLI5OpqA Content-Language: en-in X-Brightmail-Tracker: H4sIAAAAAAAAA02Sa0hTcRjG/e+cnZ0NRqdp+S9La1CkNVMw+FdiRphHDCmjoL7Uaic32nRt XlKKRpmxMfNopLjURkmXkZrTdOUsmLOL1UIULUzRmuuGUHlJTVttK/Lbw/v+nud9PrwkJnqH LycVmdmMJlOqFBMCvKVDHC4pqNgkjym5swgN17QQaL7sMQ/VnpWjO+0uDrrqdHHR69kiLro1 UclDnee9GPpkGiLQq1d3eUhn/MlF1vd9XNTzoIpAL2ueEIi1TOHo5Q8zBxXOFeKozjnIQ4OF ei66dm+Ch7x2Gw/df/sUS1xK/5wtA/R90yCPNltzaKtFT9Bv++wE7e6t4NBNtWfoi80WQDsn K3B63Bq+W3BQEC9jlIpcRrMx4bBA/qWexdR64cl613dCB2YEBkCSkIqDXdUqAxCQIqoNwGtj LmAA/D/zZXC8u54T0MHw9q8PvADkAZAtv477FgS1Abp75zCfDqEksOn1TT+EUR4ctpuHuQHH 5z+xHgPho/jUVuitG/C7g6k90DM/7D+HU2tghc7kZ4TUZjjpPQcCejF8VunGfVUxKhoWNfrH GBUBW8eqsEC7VXBm9AbXh4RQO2F/018kFHbOGDEWBJsWBJn+B5kWBJkWOMwAt4BljFqrylBp Y9WxmUxetFaq0uZkZkQfzVJZgf8NoiJtoNXyNdoBOCRwAEhi4hBhCxsnFwll0vwCRpN1SJOj ZLQOEEbi4lBh6MdimYjKkGYzxxlGzWj+bTkkf7mOg+vHWOQW7Sgt3q8IqykvfXOiq02c4Ox5 l9jYXG8/shkk73Kue2TQHAGR3lykBka2eevAXNlQx+2wUxJbuVr1Irnh6IrubxE65VRlGz9+ pWLLkynb5enTTUPZdduUEodNHR95RhhecsyRNJt2ZYmyNaZw9fqOpUnjtxzefaHT+4LS082y 2Bi7xJX/vms+9UCRPeVSylhn/+gJmTQhw/N1fV512reJVSVyo5Plp3eimUpd8d7nQdZw5+qS ngK9UVNbWq3wNA9wklIv/5IJNlQl5jc2jAS9MLfvAi2n1ua6R5WfWrOmH0awqXn8549Stv/g r93rejNywQGT09dMinGtXBobhWm00t/1KgkCdQMAAA== X-CMS-MailID: 20250527104410epcas5p1d22eefe556eb86feb2992bb1adfadd45 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P cpgsPolicy: CPGSC10-541,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20250518193244epcas5p3cacfbdc3b0e5c32f7a4dd97062a931a4 References: <20250518193152.63476-1-shradha.t@samsung.com> <20250518193152.63476-6-shradha.t@samsung.com> <20250521-nostalgic-fox-of-valor-f6d725@kuoka> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250527_215310_544166_F661E871 X-CRM114-Status: GOOD ( 19.38 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org > -----Original Message----- > From: Krzysztof Kozlowski > Sent: 21 May 2025 15:13 > To: Shradha Todi > Cc: linux-pci@vger.kernel.org; devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-samsung-soc@vger.kernel.or; > linux-kernel@vger.kernel.org; linux-phy@lists.infradead.org; manivannan.sadhasivam@linaro.org; lpieralisi@kernel.org; > kw@linux.com; robh@kernel.org; bhelgaas@google.com; jingoohan1@gmail.com; krzk+dt@kernel.org; conor+dt@kernel.org; > alim.akhtar@samsung.com; vkoul@kernel.org; kishon@kernel.org; arnd@arndb.de; m.szyprowski@samsung.com; > jh80.chung@samsung.com; Pankaj Dubey > Subject: Re: [PATCH 05/10] PCI: exynos: Add structure to hold resource operations > > On Mon, May 19, 2025 at 01:01:47AM GMT, Shradha Todi wrote: > > +struct samsung_res_ops { > > + int (*init_regulator)(struct exynos_pcie *ep); > > + irqreturn_t (*pcie_irq_handler)(int irq, void *arg); > > }; > > > > static void exynos_pcie_writel(void __iomem *base, u32 val, u32 reg) > > @@ -74,6 +81,36 @@ static u32 exynos_pcie_readl(void __iomem *base, u32 reg) > > return readl(base + reg); > > } > > > > +static int samsung_regulator_enable(struct exynos_pcie *ep) { > > + struct device *dev = ep->pci.dev; > > + int ret; > > + > > + if (ep->supplies_cnt == 0) > > + return 0; > > + > > + ret = devm_regulator_bulk_get(dev, ep->supplies_cnt, ep->supplies); > > No. Getting resources on every enable is making this much less readable. > > NAK > Will make sure that we get the resources only once during probe. > Best regards, > Krzysztof -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy