Hello,

Have modified this as shown below:
Please let me know if this looks ok.

diff --git a/arch/arm/mach-davinci/board-da850-evm.c 

b/arch/arm/mach-davinci/board-da850-evm.c
+static struct da850_evm_pruss_can_data can_data = {
        .version        = 1,
 };

+static struct resource da850_evm_suart_resource[] = 
  ------------------------->>> Added a separate resource structure for 
suart.
+       {
+               .name   = "da8xx_mcasp0_iomem",
+               .start  = DAVINCI_DA8XX_MCASP0_REG_BASE,
+               .end    = DAVINCI_DA8XX_MCASP0_REG_BASE +
+                               (SZ_1K * 12) - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+};
+
 static struct da8xx_pruss_devices pruss_devices[] = {
        {
                .dev_name       = "da8xx_pruss_can",
                .pdata          = &can_data,
                .pdata_size     = sizeof(can_data),
                .setup          = da850_evm_setup_pruss_can,
+               .num_resources  = 0,
+               .resources      = NULL,
        },
        {
                .dev_name       = "da8xx_pruss_uart",
                .pdata          = &suart_data,
                .pdata_size     = sizeof(suart_data),
                .setup          = da850_evm_setup_pruss_suart,
+               .num_resources  = ARRAY_SIZE(da850_evm_suart_resource),
+               .resources      = 
a850_evm_suart_resource,  ---------------------------- >>>>> Initialized it 
here
        },
        {
                .dev_name       = NULL,

diff --git a/drivers/mfd/da8xx_pru.c b/drivers/mfd/da8xx_pru.c
index f7868a4..140bf14 100644
--- a/drivers/mfd/da8xx_pru.c
+++ b/drivers/mfd/da8xx_pru.c

@@ -332,6 +332,8 @@ static int pruss_mfd_add_devices(struct platform_device 

*pdev)
                cell.name               = (dev_data + count)->dev_name;
                cell.platform_data      = (dev_data + count)->pdata;
                cell.data_size          = (dev_data + count)->pdata_size;
+               cell.resources          = (dev_data + 
ount)->resources;  ---------------------->>>Modified the MFD driver to add 
the resources.
+               cell.num_resources      = (dev_data + count)->num_resources;

diff --git a/drivers/tty/serial/da8xx_pruss/pruss_suart.c 

b/drivers/tty/serial/da8xx_pruss/pruss_suart.c

+       res = platform_get_resource(pdev, IORESOURCE_MEM, 
0); ------------------>> Used platform infrastructure to get the data.
+       if (!res) {
+               dev_err(&pdev->dev, "Failed to get resource");
+               return -ENOMEM;
+       }
+
+       if (!request_mem_region(res->start,
+                       resource_size(res),



--------------------------------------------------
From: "Sergei Shtylyov" <redacted>
Sent: Saturday, February 12, 2011 12:20 AM
To: "Subhasish Ghosh" <redacted>
Cc: <redacted>; 
[off-list ref]; "Russell King" [off-list ref]; 
"Kevin Hilman" [off-list ref]; [off-list ref]; "open list" 
[off-list ref]; [off-list ref]; 
[off-list ref]
Subject: Re: [PATCH v2 11/13] da850: pruss SUART board specific additions.

Subhasish Ghosh wrote:

quoted

This patch adds the pruss SUART pin mux and registers the device
with the pruss mfd driver.

quoted

Signed-off-by: Subhasish Ghosh <redacted>
---
 arch/arm/mach-davinci/board-da850-evm.c |   36 
+++++++++++++++++++++++++++++++
 1 files changed, 36 insertions(+), 0 deletions(-)

quoted

diff --git a/arch/arm/mach-davinci/board-da850-evm.c 

b/arch/arm/mach-davinci/board-da850-evm.c
index f9c38f8..3858516 100644

--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c

[...]

quoted

@@ -1085,6 +1104,17 @@ static int __init da850_evm_setup_pruss_can(void)
 return ret;
 }
 +static struct da850_evm_pruss_suart_data suart_data = {
+ .version = 1,
+ .resource = {
+ .name = "da8xx_mcasp0_iomem",
+ .start = DAVINCI_DA8XX_MCASP0_REG_BASE,
+ .end = DAVINCI_DA8XX_MCASP0_REG_BASE +
+ (SZ_1K * 12) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+

   I don't think passing a resource thru platform data is good idea... 
Resources should be bound to the platform device.

WBR, Sergei