netdev - Re: [PATCH 2/3] ARM: mxc: add mx31pdk Lan9217 support

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Date:	Tue, 24 Mar 2009 16:59:43 +0800
From:	Richard Zhao <linuxzsc@...il.com>
To:	Richard Zhao <linuxzsc@...il.com>, kernel@...gutronix.de,
	linux-arm-kernel@...ts.arm.linux.org.uk,
	steve.glendinning@...c.com, netdev@...r.kernel.org
Subject: Re: [PATCH 2/3] ARM: mxc: add mx31pdk Lan9217 support

On Tue, Mar 24, 2009 at 3:58 PM, Sascha Hauer <s.hauer@...gutronix.de> wrote:
> On Tue, Mar 24, 2009 at 02:44:41PM +0800, Richard Zhao wrote:
>> Signed-off-by: Richard Zhao <linuxzsc@...il.com>
>>
>> diff --git a/arch/arm/mach-mx3/mx31pdk.c b/arch/arm/mach-mx3/mx31pdk.c
>> index aa7e3c5..45cef70 100644
>> --- a/arch/arm/mach-mx3/mx31pdk.c
>> +++ b/arch/arm/mach-mx3/mx31pdk.c
>> @@ -32,6 +32,8 @@
>>  #include <mach/board-mx31pdk.h>
>>  #include <mach/imx-uart.h>
>>  #include <mach/iomux-mx3.h>
>> +#include <linux/platform_device.h>
>> +#include <linux/smsc911x.h>
>>  #include "devices.h"
>>  #include "3stack-debug.h"
>>
>> @@ -57,6 +59,43 @@ static inline void mxc_init_imx_uart(void)
>>       mxc_register_device(&mxc_uart_device0, &uart_pdata);
>>  }
>>
>> +/*lan9217 device*/
>> +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
>
> IMO it is not worth to clutter the code with ifdefs just to save some
> bytes of binary space, but ok, that's just my two cents.
>
Hi Sascha,

ok, I will remove the ifdefs.

Thanks
Richard
>> +static struct resource smsc911x_resources[] = {
>> +     {
>> +      .start = LAN9217_BASE_ADDR,
>> +      .end = LAN9217_BASE_ADDR + 0x100,
>> +      .flags = IORESOURCE_MEM,
>> +      },
>> +     {
>> +      .start = LAN9217_IRQ,
>> +      .end = LAN9217_IRQ,
>> +      .flags = IORESOURCE_IRQ,
>> +      },
>> +};
>
> static struct resource smsc911x_resources[] = {
>        {
>                .start = LAN9217_BASE_ADDR,
>                .end = LAN9217_BASE_ADDR + 0x100,
>                .flags = IORESOURCE_MEM,
>        },{
>                .start = LAN9217_IRQ,
>                .end = LAN9217_IRQ,
>                .flags = IORESOURCE_IRQ,
>        },
> };
>
>> +
>> +static struct smsc911x_platform_config smsc911x_platconfig = {
>> +     .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
>> +     .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
>> +     .flags          = SMSC911X_USE_16BIT | SMSC911X_USE_INTERPHY,
>> +};
>> +
>> +static struct platform_device smsc_lan9217_device = {
>> +     .name = "smsc911x",
>> +     .id = 0,
>> +     .num_resources = ARRAY_SIZE(smsc911x_resources),
>> +     .resource = smsc911x_resources,
>> +};
>> +static void mxc_init_enet(void)
>> +{
>> +     mxc_register_device(&smsc_lan9217_device, &smsc911x_platconfig);
>> +}
>> +#else
>> +static inline void mxc_init_enet(void)
>> +{
>> +}
>> +#endif
>> +
>>  static u32 brd_io;
>>
>>  static void mxc_expio_irq_handler(u32 irq, struct irq_desc *desc)
>> @@ -217,6 +256,7 @@ static void __init mxc_board_init(void)
>>  {
>>       mxc_init_imx_uart();
>>       mxc_expio_init();
>> +     mxc_init_enet();
>>  }
>>
>>  static void __init mx31pdk_timer_init(void)
>> --
>> 1.5.6.3
>>
>
> --
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