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Date: Tue, 9 Jun 2015 09:42:28 +0530 From: Bhuvanchandra DV <bhuvanchandra.dv@...adex.com> To: Russell King - ARM Linux <linux@....linux.org.uk> CC: <gregkh@...uxfoundation.org>, <devicetree@...r.kernel.org>, <linux-serial@...r.kernel.org>, <moorray3@...pl>, <linux-kernel@...r.kernel.org>, <stefan@...er.ch>, <bhuvanchandra.dv@...il.com>, <kernel@...gutronix.de>, <shawn.guo@...aro.org>, <jslaby@...e.cz>, <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH V2 2/3] tty: serial: fsl_lpuart: remove RTS/CTS control from set/get_mctrl On 06/08/2015 02:42 PM, Russell King - ARM Linux wrote: > On Mon, Jun 01, 2015 at 10:51:06AM +0530, Bhuvanchandra DV wrote: >> + /* >> + * CTS/RTS can _only_ be handled >> + * automatically by the hardware. >> + */ > > That's really not acceptable. You need to do something here so that you > can _force_ RTS to be deasserted when the kernel buffers fill up - be > that by stopping reading characters and letting the FIFO fill up or > something of that ilk. Agreed, will fix this. > > Ignoring the rest of the flow control system in the kernel is not really > acceptable. > Best regards, Bhuvan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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