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Date: Sun, 3 Jul 2022 20:34:50 +0200 From: Andy Shevchenko <andy.shevchenko@...il.com> To: Lino Sanfilippo <LinoSanfilippo@....de> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jiri Slaby <jirislaby@...nel.org>, Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Vladimir Zapolskiy <vz@...ia.com>, linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>, devicetree <devicetree@...r.kernel.org>, "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Lukas Wunner <lukas@...ner.de>, p.rosenberger@...bus.com, Lino Sanfilippo <l.sanfilippo@...bus.com> Subject: Re: [PATCH v2 4/9] serial: core: sanitize RS485 delays read from device tree On Sun, Jul 3, 2022 at 7:02 PM Lino Sanfilippo <LinoSanfilippo@....de> wrote: > > From: Lino Sanfilippo <l.sanfilippo@...bus.com> > > When setting the RS485 configuration from userspace via TIOCSRS485 the > delays are clamped to 100ms. Make this consistent with the values passed > in by means of device tree parameters. I'm not sure I got it right. Is the values from DT now clampet as well as user space does or other way around? In either way the commit message misses the explanation why it's not a problem if user previously passed bigger values either via user space or via DT, because it's an ABI change, right? -- With Best Regards, Andy Shevchenko
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