From: "Subhasish Ghosh" <subhasish@mistralsolutions.com>
To: "Arnd Bergmann" <arnd@arndb.de>
Cc: "Nori, Sekhar" <nsekhar@ti.com>,
<linux-arm-kernel@lists.infradead.org>,
<davinci-linux-open-source@linux.davincidsp.com>,
<sachi@mistralsolutions.com>,
"Samuel Ortiz" <sameo@linux.intel.com>,
"open list" <linux-kernel@vger.kernel.org>,
"Watkins, Melissa" <m-watkins@ti.com>
Subject: Re: [PATCH v4 01/11] mfd: add pruss mfd driver.
Date: Wed, 11 May 2011 14:58:23 +0530 [thread overview]
Message-ID: <82D549BB195345A1A189D569952B387C@subhasishg> (raw)
In-Reply-To: <201105102344.58598.arnd@arndb.de>
> Please look into implementing one of the three I suggested before
> you go off in another direction. In case of the third one, the idea
> was to configure the name of the device for each pru using sysfs,
> which then gets bound to the driver, which loads its own firmware
> as you do today. Only in the first two suggestions, the mfd driver
> would be responsible for loading the firmware.
Ok, thanks for the clarification.
Instead of passing the device name, will it be ok to pass the mfd_id.
The benefit will be that I can use the ID directly as an array
index for the mfd_cell entries.
Just to verify my understanding, all that's needs to be done is add
a sysfs entry at
/sys/devices/platform/pruss_mfd/mfd_id
Writing to this entry would create the respective device.
Rewriting would unload the old (mfd_remove_device)
and reload the new device.
Reading may return the various devices and their name
aliases.
WARNING: multiple messages have this Message-ID (diff)
From: subhasish@mistralsolutions.com (Subhasish Ghosh)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 01/11] mfd: add pruss mfd driver.
Date: Wed, 11 May 2011 14:58:23 +0530 [thread overview]
Message-ID: <82D549BB195345A1A189D569952B387C@subhasishg> (raw)
In-Reply-To: <201105102344.58598.arnd@arndb.de>
> Please look into implementing one of the three I suggested before
> you go off in another direction. In case of the third one, the idea
> was to configure the name of the device for each pru using sysfs,
> which then gets bound to the driver, which loads its own firmware
> as you do today. Only in the first two suggestions, the mfd driver
> would be responsible for loading the firmware.
Ok, thanks for the clarification.
Instead of passing the device name, will it be ok to pass the mfd_id.
The benefit will be that I can use the ID directly as an array
index for the mfd_cell entries.
Just to verify my understanding, all that's needs to be done is add
a sysfs entry at
/sys/devices/platform/pruss_mfd/mfd_id
Writing to this entry would create the respective device.
Rewriting would unload the old (mfd_remove_device)
and reload the new device.
Reading may return the various devices and their name
aliases.
next prev parent reply other threads:[~2011-05-11 16:15 UTC|newest]
Thread overview: 162+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-22 12:08 [PATCH v4 00/11] pruss mfd drivers Subhasish Ghosh
2011-04-22 11:50 ` [PATCH v4 08/11] tty: add pruss SUART driver Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-25 21:20 ` Greg KH
2011-04-25 21:20 ` Greg KH
2011-04-26 6:51 ` Nori, Sekhar
2011-04-26 6:51 ` Nori, Sekhar
2011-04-26 12:45 ` Greg KH
2011-04-26 12:45 ` Greg KH
2011-04-27 5:23 ` Subhasish Ghosh
2011-04-27 5:23 ` Subhasish Ghosh
2011-04-27 11:19 ` Nori, Sekhar
2011-04-27 11:19 ` Nori, Sekhar
2011-04-27 13:15 ` Subhasish Ghosh
2011-04-27 13:15 ` Subhasish Ghosh
2011-04-27 17:50 ` Nori, Sekhar
2011-04-27 17:50 ` Nori, Sekhar
2011-05-02 8:34 ` Subhasish Ghosh
2011-05-02 8:34 ` Subhasish Ghosh
2011-05-02 17:15 ` Nori, Sekhar
2011-05-02 17:15 ` Nori, Sekhar
2011-05-10 10:54 ` Subhasish Ghosh
2011-05-10 10:54 ` Subhasish Ghosh
2011-05-10 13:13 ` Nori, Sekhar
2011-05-10 13:13 ` Nori, Sekhar
2011-05-13 12:10 ` Subhasish Ghosh
2011-05-13 12:10 ` Subhasish Ghosh
2011-05-09 13:39 ` Subhasish Ghosh
2011-05-09 13:39 ` Subhasish Ghosh
2011-05-09 13:46 ` Alan Cox
2011-05-09 13:46 ` Alan Cox
2011-05-09 13:50 ` Subhasish Ghosh
2011-05-09 13:50 ` Subhasish Ghosh
2011-05-09 13:55 ` Alan Cox
2011-05-09 13:55 ` Alan Cox
2011-05-10 6:17 ` Subhasish Ghosh
2011-05-10 6:17 ` Subhasish Ghosh
2011-05-10 13:32 ` Alan Cox
2011-05-10 13:32 ` Alan Cox
2011-05-11 7:01 ` Subhasish Ghosh
2011-05-11 7:01 ` Subhasish Ghosh
2011-05-11 10:35 ` Alan Cox
2011-05-11 10:35 ` Alan Cox
2011-04-22 12:08 ` [PATCH v4 01/11] mfd: add pruss mfd driver Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-22 16:00 ` Marc Kleine-Budde
2011-04-22 16:00 ` Marc Kleine-Budde
2011-04-27 6:39 ` Subhasish Ghosh
2011-04-27 6:39 ` Subhasish Ghosh
2011-04-27 7:29 ` Marc Kleine-Budde
2011-04-27 7:29 ` Marc Kleine-Budde
2011-04-27 9:12 ` Russell King - ARM Linux
2011-04-27 9:12 ` Russell King - ARM Linux
2011-04-27 13:18 ` Subhasish Ghosh
2011-04-27 13:18 ` Subhasish Ghosh
2011-04-27 13:35 ` Marc Kleine-Budde
2011-04-27 13:35 ` Marc Kleine-Budde
2011-04-28 7:22 ` Subhasish Ghosh
2011-04-28 7:22 ` Subhasish Ghosh
2011-04-28 7:46 ` Arnd Bergmann
2011-04-28 7:46 ` Arnd Bergmann
2011-04-27 13:16 ` Arnd Bergmann
2011-04-27 13:16 ` Arnd Bergmann
2011-04-27 13:38 ` Subhasish Ghosh
2011-04-27 13:38 ` Subhasish Ghosh
2011-04-27 14:05 ` Arnd Bergmann
2011-04-27 14:05 ` Arnd Bergmann
2011-04-28 7:17 ` Subhasish Ghosh
2011-04-28 7:17 ` Subhasish Ghosh
2011-04-28 7:35 ` Arnd Bergmann
2011-04-28 7:35 ` Arnd Bergmann
2011-05-04 7:18 ` Subhasish Ghosh
2011-05-04 7:18 ` Subhasish Ghosh
2011-05-04 13:44 ` Arnd Bergmann
2011-05-04 13:44 ` Arnd Bergmann
2011-05-04 14:38 ` Nori, Sekhar
2011-05-04 14:38 ` Nori, Sekhar
2011-05-05 13:25 ` Subhasish Ghosh
2011-05-05 13:25 ` Subhasish Ghosh
2011-05-05 14:12 ` Arnd Bergmann
2011-05-05 14:12 ` Arnd Bergmann
2011-05-10 9:53 ` Subhasish Ghosh
2011-05-10 9:53 ` Subhasish Ghosh
2011-05-10 21:44 ` Arnd Bergmann
2011-05-10 21:44 ` Arnd Bergmann
2011-05-11 9:28 ` Subhasish Ghosh [this message]
2011-05-11 9:28 ` Subhasish Ghosh
2011-05-11 20:03 ` Arnd Bergmann
2011-05-11 20:03 ` Arnd Bergmann
2011-05-13 10:55 ` Subhasish Ghosh
2011-05-13 10:55 ` Subhasish Ghosh
2011-05-14 16:01 ` Mark Brown
2011-05-14 16:01 ` Mark Brown
2011-05-14 20:33 ` Arnd Bergmann
2011-05-14 20:33 ` Arnd Bergmann
2011-05-14 22:14 ` Mark Brown
2011-05-14 22:14 ` Mark Brown
2011-05-15 9:33 ` Arnd Bergmann
2011-05-15 9:33 ` Arnd Bergmann
2011-05-16 6:06 ` Subhasish Ghosh
2011-05-16 6:06 ` Subhasish Ghosh
2011-05-23 15:30 ` Arnd Bergmann
2011-05-23 15:30 ` Arnd Bergmann
2011-05-24 12:17 ` Subhasish Ghosh
2011-05-24 12:17 ` Subhasish Ghosh
2011-05-24 12:40 ` Arnd Bergmann
2011-05-24 12:40 ` Arnd Bergmann
2011-05-24 13:43 ` Greg KH
2011-05-24 13:43 ` Greg KH
2011-05-30 13:25 ` Subhasish Ghosh
2011-05-30 13:25 ` Subhasish Ghosh
2011-05-30 14:02 ` Greg KH
2011-05-30 14:02 ` Greg KH
2011-05-30 14:38 ` Subhasish Ghosh
2011-05-30 14:38 ` Subhasish Ghosh
2011-05-30 14:04 ` Arnd Bergmann
2011-05-30 14:04 ` Arnd Bergmann
2011-05-30 14:13 ` Subhasish Ghosh
2011-05-30 14:13 ` Subhasish Ghosh
2011-05-30 14:43 ` Arnd Bergmann
2011-05-30 14:43 ` Arnd Bergmann
2011-05-30 15:28 ` Subhasish Ghosh
2011-05-30 15:28 ` Subhasish Ghosh
2011-05-22 20:24 ` Samuel Ortiz
2011-05-22 20:24 ` Samuel Ortiz
2011-05-22 20:21 ` Samuel Ortiz
2011-05-22 20:21 ` Samuel Ortiz
2011-05-23 15:13 ` Arnd Bergmann
2011-05-23 15:13 ` Arnd Bergmann
2011-04-22 12:08 ` [PATCH v4 02/11] da850: add pruss clock Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-22 12:08 ` [PATCH v4 03/11] da850: pruss platform specific additions Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-26 11:06 ` Sergei Shtylyov
2011-04-26 11:06 ` Sergei Shtylyov
2011-04-27 6:43 ` Subhasish Ghosh
2011-04-27 6:43 ` Subhasish Ghosh
2011-04-27 10:05 ` Sergei Shtylyov
2011-04-27 10:05 ` Sergei Shtylyov
2011-04-27 10:19 ` Subhasish Ghosh
2011-04-27 10:19 ` Subhasish Ghosh
2011-04-22 12:08 ` [PATCH v4 04/11] da850: pruss board " Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-22 12:08 ` [PATCH v4 05/11] mfd: pruss SUART private data Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-22 12:08 ` [PATCH v4 06/11] da850: pruss SUART board specific additions Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-22 12:08 ` [PATCH v4 07/11] da850: pruss SUART platform " Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-22 12:08 ` [PATCH v4 09/11] mfd: pruss CAN private data Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-22 12:08 ` [PATCH v4 10/11] da850: pruss CAN platform specific additions Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-22 12:08 ` [PATCH v4 11/11] da850: pruss CAN board " Subhasish Ghosh
2011-04-22 12:08 ` Subhasish Ghosh
2011-04-22 16:03 ` Marc Kleine-Budde
2011-04-22 16:03 ` Marc Kleine-Budde
2011-04-26 10:57 ` Sergei Shtylyov
2011-04-26 10:57 ` Sergei Shtylyov
2011-04-27 7:03 ` Subhasish Ghosh
2011-04-27 7:03 ` Subhasish Ghosh
2011-05-20 5:38 [PATCH v4 01/11] mfd: add pruss mfd driver Subhasish Ghosh
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