linux-kernel - Re: [RFC PATCH 4/5] ARM: dts: DRA7: Add memory map region entries for qspi

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Date:	Mon, 3 Aug 2015 10:36:44 +0530
From:	Vignesh R <vigneshr@...com>
To:	Brian Norris <computersforpeace@...il.com>
CC:	Mark Brown <broonie@...nel.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	Huang Shijie <b32955@...escale.com>,
	<linux-omap@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-mtd@...ts.infradead.org>,
	<linux-spi@...r.kernel.org>
Subject: Re: [RFC PATCH 4/5] ARM: dts: DRA7: Add memory map region entries
 for qspi



On 08/01/2015 02:58 AM, Brian Norris wrote:
> On Tue, Jul 28, 2015 at 02:11:15PM +0530, Vignesh R wrote:
>> Add qspi memory mapped region entries for DRA7xx based SoCs.
>>
>> Signed-off-by: Vignesh R <vigneshr@...com>
>> ---
>>  arch/arm/boot/dts/am4372.dtsi | 4 +++-
>>  1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
>> index ade28c790f4b..5317a0f24ab9 100644
>> --- a/arch/arm/boot/dts/am4372.dtsi
>> +++ b/arch/arm/boot/dts/am4372.dtsi
>> @@ -902,7 +902,9 @@
>>  
>>  		qspi: qspi@...00000 {
>>  			compatible = "ti,am4372-qspi";
>> -			reg = <0x47900000 0x100>;
>> +			reg = <0x47900000 0x100>,
>> +			      <0x30000000 0x3ffffff>;
> 
> Are you sure this region is 1 byte shy of 64MB in length? Same question
> for patch 5.
> 

Oops, my bad... Its 64MB in length, I entered offset of last byte
instead of length. Will correct this in the actual patch.

>> +			reg-names = "qspi_base", "qspi_mmap";
>>  			#address-cells = <1>;
>>  			#size-cells = <0>;
>>  			ti,hwmods = "qspi";
>> -- 
>> 2.4.6
>>

-- 
Regards
Vignesh
--
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