linux-kernel - Re: [PATCH] serial: tegra: Map the iir register to default defines

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Message-ID: <c904007d-af59-c1fa-d11f-a69c4609ff84@nvidia.com>
Date:   Fri, 31 Mar 2017 11:28:30 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Shardar Mohammed <smohammed@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Olliver Schinagl <oliver@...inagl.nl>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Stephen Warren <swarren@...dotorg.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Alexandre Courbot <gnurou@...il.com>
CC:     "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] serial: tegra: Map the iir register to default defines


On 31/03/17 11:07, Shardar Mohammed wrote:
> Verification failed on Tegra.
> Fix here is, IIR should be masked with UART_IIR_MASK  after reading the IIR register as on Tegra bit-6 is used for internal usage to know if FIFO mode is enabled.
>         while (1) {
>                 iir = tegra_uart_read(tup, UART_IIR);
> 	 +iir &= UART_IIR_MASK;

Per Olliver's original email did you pick up the other patch [0] before
applying this because that does apply the mask. I mentioned to Olliver
that this should really be a series, so it is clear that this patch is
dependent upon the other.

> -----Original Message-----
> From: Laxman Dewangan 
> Sent: Thursday, March 30, 2017 3:48 PM
> To: Olliver Schinagl <oliver@...inagl.nl>; Greg Kroah-Hartman <gregkh@...uxfoundation.org>; Jiri Slaby <jslaby@...e.com>; Stephen Warren <swarren@...dotorg.org>; Thierry Reding <thierry.reding@...il.com>; Alexandre Courbot <gnurou@...il.com>
> Cc: linux-serial@...r.kernel.org; linux-tegra@...r.kernel.org; linux-kernel@...r.kernel.org; Shardar Mohammed <smohammed@...dia.com>
> Subject: Re: [PATCH] serial: tegra: Map the iir register to default defines
> 
> 
> On Thursday 30 March 2017 12:18 AM, Olliver Schinagl wrote:
>> The tegra serial IP seems to be following the common layout and the 
>> interrupt ID's match up nicely. Replace the magic values to match the 
>> common serial_reg defines, with the addition of the Tegra unique End 
>> of Data interrupt.
>>
>> Signed-off-by: Olliver Schinagl <oliver@...inagl.nl>
>> ---
> 
> Adding Shardar for verifications.
> 
> Acked-by: Laxman Dewangan <ldewangan@...dia.com>

Furthermore does this ACK imply that you have reviewed the other patch
this one is dependent upon?

Cheers
Jon

[0] http://marc.info/?l=linux-serial&m=149081309627392&w=2

-- 
nvpublic