Re: 2420 sDMA address mapping typo

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Hi Benoît, Michael,

On Tue, 15 Mar 2011, Cousson, Benoit wrote:

> On 3/15/2011 5:44 PM, Fillinger, Michael wrote:
> > Hi,
> > 
> > There is a small issue introduced in 2.6.38 on the address space of sDMA for
> > OMAP2420, which seems to be a mix of OMAP2&  newer OMAP addresses :
> > 
> > arch/arm/mach-omap2/omap_hwmod_2420_data.c
> > 
> > static struct omap_hwmod_addr_space omap2420_dma_system_addrs[] = {
> >          {
> >                   .pa_start   = 0x48056000,
> >                   .pa_end     = 0x4a0560ff,
> >                   .flags      = ADDR_TYPE_RT
> >          },
> > };
> > 
> > pa_end should be 0x480560ff unless I'm mistaken.
> 
> Good catch, but the size is almost 4k to store all the channels.
> 
> The quick and dirty patch is:
> -                   .pa_end     = 0x4a0560ff,
> +                   .pa_end     = 0x48056fff,

Here's a patch to fix this for the -rc series.  Benoît, care to reply with 
a Signed-off-by: or Acked-by: ?


- Paul

From: Paul Walmsley <paul@xxxxxxxxx>
Date: Tue, 15 Mar 2011 14:13:11 -0600
Subject: [PATCH] OMAP2/3: hwmod data: sDMA IP block has incorrect end address

Commits 745685df95961ebbf0bcafcf28f31217a75070ae ("OMAP2420: hwmod
data: add system DMA"), 82cbd1aebafd126f40a8ed0725a6feb6ed710576
("OMAP2430: hwmod data: add system DMA"), and
01438ab6a49b63ef02b2eb44b63345a09792f982 ("OMAP3: hwmod data: add
system DMA") all have an incorrect end address for the SDMA IP block.

Thanks to Michael Fillinger <m-fillinger@xxxxxx> for reporting this.
Thanks to Benoît Cousson <b-cousson@xxxxxx> for suggesting an appropriate
correction.

Cc: "G, Manjunath Kondaiah" <manjugk@xxxxxx>
Reported-by: Michael Fillinger <m-fillinger@xxxxxx>
Cc: Benoît Cousson <b-cousson@xxxxxx>
Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
---
 arch/arm/mach-omap2/omap_hwmod_2420_data.c |    2 +-
 arch/arm/mach-omap2/omap_hwmod_2430_data.c |    2 +-
 arch/arm/mach-omap2/omap_hwmod_3xxx_data.c |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index f1776d4..1760d11 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -1789,7 +1789,7 @@ static struct omap_hwmod_irq_info omap2420_dma_system_irqs[] = {
 static struct omap_hwmod_addr_space omap2420_dma_system_addrs[] = {
 	{
 		.pa_start	= 0x48056000,
-		.pa_end		= 0x4a0560ff,
+		.pa_end		= 0x48056fff,
 		.flags		= ADDR_TYPE_RT
 	},
 };
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 62ff097..4a7ea12 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -1921,7 +1921,7 @@ static struct omap_hwmod_irq_info omap2430_dma_system_irqs[] = {
 static struct omap_hwmod_addr_space omap2430_dma_system_addrs[] = {
 	{
 		.pa_start	= 0x48056000,
-		.pa_end		= 0x4a0560ff,
+		.pa_end		= 0x48056fff,
 		.flags		= ADDR_TYPE_RT
 	},
 };
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 41e53c2..0da858c 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -2396,7 +2396,7 @@ static struct omap_hwmod_irq_info omap3xxx_dma_system_irqs[] = {
 static struct omap_hwmod_addr_space omap3xxx_dma_system_addrs[] = {
 	{
 		.pa_start	= 0x48056000,
-		.pa_end		= 0x4a0560ff,
+		.pa_end		= 0x48056fff,
 		.flags		= ADDR_TYPE_RT
 	},
 };
-- 
1.7.2.3

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