linux-kernel - Re: [PATCH] ARM: OMAP5: Add HWMOD_SWSUP_SIDLE

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Message-ID: <e84cd7c8-89bc-b2ef-e57d-6c0a37b0b51e@ti.com>
Date:   Thu, 19 Jan 2017 14:35:21 +0530
From:   Lokesh Vutla <lokeshvutla@...com>
To:     Vignesh R <vigneshr@...com>, Paul Walmsley <paul@...an.com>,
        Tony Lindgren <tony@...mide.com>,
        Russell King <linux@...linux.org.uk>
CC:     <linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] ARM: OMAP5: Add HWMOD_SWSUP_SIDLE_ACT flag for UART



On Wednesday 18 January 2017 05:18 PM, Vignesh R wrote:
> According to the commit ca43ea345de9 ("ARM: OMAP2+: hwmod: Add a new
> flag to handle SIDLE in SWSUP only in active"), UART IP needs the sidle
> mode to be controlled in SW only while they are active. Once inactive,
> the IP needs to be put back in HW control so they are also wakeup
> capable. The flag HWMOD_SWSUP_SIDLE takes care of this. So add this flag
> to all instances of UART.
> 
> With this change, 8250 UART now gives out proper RX Timeout interrupts
> and is usable as console.
> 
> Signed-off-by: Vignesh R <vigneshr@...com>

Reviewed-by: Lokesh Vutla <lokeshvutla@...com>

Thanks and regards,
Lokesh