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Message-ID: <ME3P282MB270324EC4CEEB864D04ECDB2BB0CA@ME3P282MB2703.AUSP282.PROD.OUTLOOK.COM> Date: Mon, 7 Aug 2023 20:44:00 +0800 From: Jinjian Song <songjinjian@...mail.com> To: jiri@...nulli.us Cc: chandrashekar.devegowda@...el.com, chiranjeevi.rapolu@...ux.intel.com, danielwinkler@...gle.com, davem@...emloft.net, edumazet@...gle.com, haijun.liu@...iatek.com, ilpo.jarvinen@...ux.intel.com, jesse.brandeburg@...el.com, jinjian.song@...ocom.com, johannes@...solutions.net, kuba@...nel.org, linuxwwan@...el.com, linuxwwan_5g@...el.com, loic.poulain@...aro.org, m.chetan.kumar@...ux.intel.com, netdev@...r.kernel.org, pabeni@...hat.com, ricardo.martinez@...ux.intel.com, ryazanov.s.a@...il.com, songjinjian@...mail.com, soumya.prakash.mishra@...el.com Subject: Re: [net-next 2/6] net: wwan: t7xx: Driver registers with Devlink framework Sat, Aug 05, 2023 at 02:12:13PM CEST, songjinjian@...mail.com wrote: >>Thu, Aug 03, 2023 at 04:18:08AM CEST, songjinjian@...mail.com wrote: >> >>[...] >> >>>>+static const struct devlink_param t7xx_devlink_params[] = { >>>>+ DEVLINK_PARAM_DRIVER(T7XX_DEVLINK_PARAM_ID_FASTBOOT, >>>>+ "fastboot", DEVLINK_PARAM_TYPE_BOOL, >>>>+ BIT(DEVLINK_PARAM_CMODE_DRIVERINIT), >>>>+ NULL, NULL, NULL), >>> >>>driver init params is there so the user could configure driver instance >>>and then hit devlink reload in order to reinitialize with the new param >>>values. In your case, it is a device command. Does not make any sense to >>>have it as param. >>> >>>NAK >> >>Thanks for your review, so drop this param and set this param insider driver when driver_reinit, >>is that fine? > >I don't understand the question, sorry. Thanks for your review, I mean if I don't define fastboot param like devlink_param above, I will define a global bool variable in driver, then when devlink ... driver_reinit, set this variable to true. like: t7xx_devlink { .... bool reset_to_fastboot; } t7xx_devlink_reload_down () { ... case DEVLINK_RELOAD_ACTION_DRIVER_REINIT: t7xx_devlink.reset_to_fastboot = true; ... } other functions use this variable: if (t7xx_devlink.reset_to_fastboot) { iowrite(reg, "reset to fastboot"); } Intel colleague has change to the way of devlink_param, so I hope to keep this. >
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