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

From: Jon Hunter
Date: Fri Mar 31 2017 - 06:28:48 EST



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@xxxxxxxxxxx>; Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>; Jiri Slaby <jslaby@xxxxxxxx>; Stephen Warren <swarren@xxxxxxxxxxxxx>; Thierry Reding <thierry.reding@xxxxxxxxx>; Alexandre Courbot <gnurou@xxxxxxxxx>
> Cc: linux-serial@xxxxxxxxxxxxxxx; linux-tegra@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Shardar Mohammed <smohammed@xxxxxxxxxx>
> 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@xxxxxxxxxxx>
>> ---
>
> Adding Shardar for verifications.
>
> Acked-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>

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

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nvpublic