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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org > -----Original Message----- > From: Andrew Lunn [mailto:andrew@lunn.ch] > Sent: 15 August 2023 02:17 > To: Sriranjani P > Cc: davem@davemloft.net; edumazet@google.com; kuba@kernel.org; > pabeni@redhat.com; robh+dt@kernel.org; > krzysztof.kozlowski+dt@linaro.org; conor+dt@kernel.org; > richardcochran@gmail.com; alexandre.torgue@foss.st.com; > joabreu@synopsys.com; mcoquelin.stm32@gmail.com; > alim.akhtar@samsung.com; linux-fsd@tesla.com; > pankaj.dubey@samsung.com; swathi.ks@samsung.com; > ravi.patel@samsung.com; netdev@vger.kernel.org; > devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; linux-samsung- > soc@vger.kernel.org; linux-arm-kernel@lists.infradead.org; Chandrasekar R > ; Suresh Siddha > Subject: Re: [PATCH v3 2/4] net: stmmac: dwc-qos: Add FSD EQoS support > > > +static const int rx_clock_skew_val[] = {0x2, 0x0}; > > > +static int dwc_eqos_setup_rxclock(struct platform_device *pdev, int > > +ins_num) { > > + struct device_node *np = pdev->dev.of_node; > > + struct regmap *syscon; > > + unsigned int reg; > > + > > + if (np && of_property_read_bool(np, "fsd-rx-clock-skew")) { > > + syscon = syscon_regmap_lookup_by_phandle_args(np, > > + "fsd-rx-clock- > skew", > > + 1, ®); > > + if (IS_ERR(syscon)) { > > + dev_err(&pdev->dev, > > + "couldn't get the rx-clock-skew syscon!\n"); > > + return PTR_ERR(syscon); > > + } > > + > > + regmap_write(syscon, reg, rx_clock_skew_val[ins_num]); > > Please could you explain what this is doing. As per customer requirement, we need to provide a delay of 2ns in FSYS in both TX and RX path and no delay in peric block > > Andrew Regards, Swathi _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel