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From: Kevin Hilman <khilman@deeprootsystems.com>
To: "Nayak, Rajendra" <rnayak@ti.com>,
	"Raja, Govindraj" <govindraj.raja@ti.com>
Cc: Tony Lindgren <tony@atomide.com>,
	"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
	"Varadarajan, Charulatha" <charu@ti.com>
Subject: Re: [GIT PULL] for testing: OMAP hwmod driver conversions: watchdog, UART, i2c
Date: Wed, 29 Sep 2010 12:18:57 -0700	[thread overview]
Message-ID: <87bp7gz7by.fsf@deeprootsystems.com> (raw)
In-Reply-To: <0680EC522D0CC943BC586913CF3768C003FF2DAF49@dbde02.ent.ti.com> (Rajendra Nayak's message of "Wed, 29 Sep 2010 21:47:10 +0530")

"Nayak, Rajendra" <rnayak@ti.com> writes:

[...]

>
> I forgot to mention, there are similar WARN's that I see on 2430sdp even with UART
>

Govidraj, can you look into these UART issues please?  

Looks like you might need to double check the bitfields and the
module_offs for both of these.

Thanks,

Kevin

> [    0.000000] WARNING: at arch/arm/mach-omap2/omap_hwmod.c:1237 _omap_hwmod_idle+0x28/0xd8()
> [    0.000000] omap_hwmod: uart3: idle state can only be entered from enabled state
> [    0.000000] Modules linked in:
> [    0.000000] [<c0053478>] (unwind_backtrace+0x0/0xe4) from [<c00897f4>] (warn_slowpath_common+0x4c/0x64)
> [    0.000000] [<c00897f4>] (warn_slowpath_common+0x4c/0x64) from [<c008988c>] (warn_slowpath_fmt+0x2c/0x3c)
> [    0.000000] [<c008988c>] (warn_slowpath_fmt+0x2c/0x3c) from [<c005d138>] (_omap_hwmod_idle+0x28/0xd8)
> [    0.000000] [<c005d138>] (_omap_hwmod_idle+0x28/0xd8) from [<c005d210>] (omap_hwmod_idle+0x28/0x38)
> [    0.000000] [<c005d210>] (omap_hwmod_idle+0x28/0x38) from [<c000fd48>] (omap_serial_init_port+0x164/0x42c)
> [    0.000000] [<c000fd48>] (omap_serial_init_port+0x164/0x42c) from [<c0010028>] (omap_serial_init+0x18/0x40)
> [    0.000000] [<c0010028>] (omap_serial_init+0x18/0x40) from [<c0012a44>] (omap_2430sdp_init+0x48/0xcc)
> [    0.000000] [<c0012a44>] (omap_2430sdp_init+0x48/0xcc) from [<c000b650>] (customize_machine+0x18/0x24)
> [    0.000000] [<c000b650>] (customize_machine+0x18/0x24) from [<c004c578>] (do_one_initcall+0xcc/0x1a4)
> [    0.000000] [<c004c578>] (do_one_initcall+0xcc/0x1a4) from [<c00085e0>] (kernel_init+0x148/0x210)
> [    0.000000] [<c00085e0>] (kernel_init+0x148/0x210) from [<c004dcb8>] (kernel_thread_exit+0x0/0x8)
> [    0.000000] ---[ end trace 1b75b31a2719ed1c ]---
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] WARNING: at arch/arm/mach-omap2/omap_hwmod.c:1237 _omap_hwmod_idle+0x28/0xd8()
> [    0.000000] omap_hwmod: uart3: idle state can only be entered from enabled state
> [    0.000000] Modules linked in:
> [    0.000000] [<c0053478>] (unwind_backtrace+0x0/0xe4) from [<c00897f4>] (warn_slowpath_common+0x4c/0x64)
> [    0.000000] [<c00897f4>] (warn_slowpath_common+0x4c/0x64) from [<c008988c>] (warn_slowpath_fmt+0x2c/0x3c)
> [    0.000000] [<c008988c>] (warn_slowpath_fmt+0x2c/0x3c) from [<c005d138>] (_omap_hwmod_idle+0x28/0xd8)
> [    0.000000] [<c005d138>] (_omap_hwmod_idle+0x28/0xd8) from [<c0058c48>] (uart_idle_hwmod+0x10/0x18)
> [    0.000000] [<c0058c48>] (uart_idle_hwmod+0x10/0x18) from [<c006a994>] (_omap_device_deactivate+0x58/0x144)
> [    0.000000] [<c006a994>] (_omap_device_deactivate+0x58/0x144) from [<c006ac44>] (omap_device_idle+0x48/0x68)
> [    0.000000] [<c006ac44>] (omap_device_idle+0x48/0x68) from [<c000ff08>] (omap_serial_init_port+0x324/0x42c)
> [    0.000000] [<c000ff08>] (omap_serial_init_port+0x324/0x42c) from [<c0010028>] (omap_serial_init+0x18/0x40)
> [    0.000000] [<c0010028>] (omap_serial_init+0x18/0x40) from [<c0012a44>] (omap_2430sdp_init+0x48/0xcc)
> [    0.000000] [<c0012a44>] (omap_2430sdp_init+0x48/0xcc) from [<c000b650>] (customize_machine+0x18/0x24)
> [    0.000000] [<c000b650>] (customize_machine+0x18/0x24) from [<c004c578>] (do_one_initcall+0xcc/0x1a4)
> [    0.000000] [<c004c578>] (do_one_initcall+0xcc/0x1a4) from [<c00085e0>] (kernel_init+0x148/0x210)
> [    0.000000] [<c00085e0>] (kernel_init+0x148/0x210) from [<c004dcb8>] (kernel_thread_exit+0x0/0x8)
> [    0.000000] ---[ end trace 1b75b31a2719ed1d ]---
>> 
>> 
>> diff --git a/arch/arm/mach-omap2/cm-regbits-24xx.h b/arch/arm/mach-omap2/cm-regbits-24xx.h
>> index 5986e2b..9a106c0 100644
>> --- a/arch/arm/mach-omap2/cm-regbits-24xx.h
>> +++ b/arch/arm/mach-omap2/cm-regbits-24xx.h
>> @@ -126,12 +126,12 @@
>>  #define OMAP24XX_ST_HDQ_MASK				(1 << 23)
>>  #define OMAP2420_ST_I2C2_SHIFT				20
>>  #define OMAP2420_ST_I2C2_MASK				(1 << 20)
>> -#define OMAP2430_ST_I2CHS1_SHIFT			20
>> -#define OMAP2430_ST_I2CHS1_MASK				(1 << 20)
>> +#define OMAP2430_ST_I2CHS1_SHIFT			19
>> +#define OMAP2430_ST_I2CHS1_MASK				(1 << 19)
>>  #define OMAP2420_ST_I2C1_SHIFT				19
>>  #define OMAP2420_ST_I2C1_MASK				(1 << 19)
>> -#define OMAP2430_ST_I2CHS2_SHIFT			19
>> -#define OMAP2430_ST_I2CHS2_MASK				(1 << 19)
>> +#define OMAP2430_ST_I2CHS2_SHIFT			20
>> +#define OMAP2430_ST_I2CHS2_MASK				(1 << 20)
>>  #define OMAP24XX_ST_MCBSP2_SHIFT			16
>>  #define OMAP24XX_ST_MCBSP2_MASK				(1 << 16)
>>  #define OMAP24XX_ST_MCBSP1_SHIFT			15
>> diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
>> index 8bf46c1..ca4edd3 100644
>> --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
>> +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
>> @@ -504,6 +504,7 @@ static struct omap_hwmod omap2420_i2c1_hwmod = {
>>  	.main_clk	= "i2c1_fck",
>>  	.prcm		= {
>>  		.omap2 = {
>> +			.module_offs = CORE_MOD,
>>  			.prcm_reg_id = 1,
>>  			.module_bit = OMAP2420_EN_I2C1_SHIFT,
>>  			.idlest_reg_id = 1,
>> @@ -541,6 +542,7 @@ static struct omap_hwmod omap2420_i2c2_hwmod = {
>>  	.main_clk	= "i2c2_fck",
>>  	.prcm		= {
>>  		.omap2 = {
>> +			.module_offs = CORE_MOD,
>>  			.prcm_reg_id = 1,
>>  			.module_bit = OMAP2420_EN_I2C2_SHIFT,
>>  			.idlest_reg_id = 1,
>> diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
>> index 92f4ec0..9498847 100644
>> --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
>> +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
>> @@ -502,7 +502,7 @@ static struct omap_hwmod omap2430_i2c1_hwmod = {
>>  	.mpu_irqs_cnt	= ARRAY_SIZE(i2c1_mpu_irqs),
>>  	.sdma_reqs	= i2c1_sdma_reqs,
>>  	.sdma_reqs_cnt	= ARRAY_SIZE(i2c1_sdma_reqs),
>> -	.main_clk	= "i2c1_fck",
>> +	.main_clk	= "i2chs1_fck",
>>  	.prcm		= {
>>  		.omap2 = {
>>  			/*
>> @@ -513,6 +513,7 @@ static struct omap_hwmod omap2430_i2c1_hwmod = {
>>  			 * additonal flags when clk handling is moved
>>  			 * to hwmod framework.
>>  			 */
>> +			.module_offs = CORE_MOD,
>>  			.prcm_reg_id = 1,
>>  			.module_bit = OMAP2430_EN_I2CHS1_SHIFT,
>>  			.idlest_reg_id = 1,
>> @@ -551,9 +552,10 @@ static struct omap_hwmod omap2430_i2c2_hwmod = {
>>  	.mpu_irqs_cnt	= ARRAY_SIZE(i2c2_mpu_irqs),
>>  	.sdma_reqs	= i2c2_sdma_reqs,
>>  	.sdma_reqs_cnt	= ARRAY_SIZE(i2c2_sdma_reqs),
>> -	.main_clk	= "i2c2_fck",
>> +	.main_clk	= "i2chs2_fck",
>>  	.prcm		= {
>>  		.omap2 = {
>> +			.module_offs = CORE_MOD,
>>  			.prcm_reg_id = 1,
>>  			.module_bit = OMAP2430_EN_I2CHS2_SHIFT,
>>  			.idlest_reg_id = 1,
>> >
>> > >
>> > > >> Note this also depends on a handful of patches from my pm-backports
>> > > >> branch, most of which you have picked into omap-testing, except for the
>> > > >> one I just posted to linux-arm-kernel:
>> > > >>
>> > > >>    ARM: add cpu_idle_wait() to support CPUidle on SMP systems.
>> > > >>
>> > > >> This one is required now that the default config enables SMP.
>> > > >
>> > > > I'll apply that into omap-testing branch.
>> > >
>> > > Thanks,
>> > >
>> > > Kevin

  reply	other threads:[~2010-09-29 19:19 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-28 18:24 [GIT PULL] for testing: OMAP hwmod driver conversions: watchdog, UART, i2c Kevin Hilman
2010-09-28 20:18 ` Tony Lindgren
2010-09-28 21:35   ` Kevin Hilman
2010-09-29  4:01     ` Nayak, Rajendra
2010-09-29 16:14     ` Nayak, Rajendra
2010-09-29 16:17       ` Nayak, Rajendra
2010-09-29 19:18         ` Kevin Hilman [this message]
2010-09-29 19:28           ` Nayak, Rajendra
2010-09-29 19:40             ` Kevin Hilman
2010-09-29 19:54               ` Nayak, Rajendra
2010-09-29 20:03                 ` Kevin Hilman
2010-09-29 19:16       ` Kevin Hilman
2010-09-29 22:24   ` Kevin Hilman
2010-09-30  2:18     ` Tony Lindgren
2010-09-30  2:29       ` Tony Lindgren
2010-09-30  7:55         ` Shilimkar, Santosh
2010-10-01 23:38           ` Paul Walmsley
2010-10-01 23:48             ` Paul Walmsley
2010-09-30 14:39       ` Kevin Hilman
2010-09-30 15:13         ` Kevin Hilman
     [not found]           ` <877hi3gqq7.fsf@deeprootsystems.com>
2010-10-01 13:28             ` Nayak, Rajendra
2010-10-01 15:07               ` Kevin Hilman
2010-10-01 20:47                 ` Kevin Hilman
2010-10-02  0:47                   ` Tony Lindgren
2010-10-01 16:42               ` Cousson, Benoit
2010-10-05  6:01                 ` Paul Walmsley
2010-10-05  6:20                   ` Nayak, Rajendra
2010-10-05  6:24                     ` Paul Walmsley
2010-10-05  6:27                       ` Paul Walmsley
2010-10-05 12:33                   ` Nayak, Rajendra
2010-10-05 13:13                     ` Nayak, Rajendra
2010-10-05 16:58                     ` Paul Walmsley
2010-10-05 18:09                       ` Paul Walmsley
2010-10-05 18:48                       ` Nayak, Rajendra
2010-10-05 17:04                     ` Kevin Hilman
2010-10-05 18:53                       ` Nayak, Rajendra
2010-10-05 19:49                         ` Kevin Hilman
2010-10-05 20:26                           ` Nayak, Rajendra
2010-10-05 20:35                             ` Kevin Hilman
2010-10-05 20:41                               ` Nayak, Rajendra
2010-10-05 20:44                                 ` Kevin Hilman
2010-10-05 20:46                                   ` Nayak, Rajendra
2010-10-05 15:46                   ` Cousson, Benoit
2010-09-30 15:46         ` Tony Lindgren
2010-09-29 14:51 ` Varadarajan, Charulatha
2010-09-29 15:20   ` Kevin Hilman

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