On 1/14/08, Geert Uytterhoeven <[EMAIL PROTECTED]> wrote: > On Sun, 13 Jan 2008, Jon Smirl wrote: > > On 1/13/08, Jean Delvare <[EMAIL PROTECTED]> wrote: > > > On Sun, 13 Jan 2008 11:26:07 -0500, Jon Smirl wrote: > > > > On 1/13/08, Jean Delvare <[EMAIL PROTECTED]> wrote: > > > > > On Sun, 13 Jan 2008 10:14:14 -0500, Jon Smirl wrote: > > > > > > On 1/13/08, Jean Delvare <[EMAIL PROTECTED]> wrote: > > > > > > > On Mon, 17 Dec 2007 21:39:37 -0500, Jon Smirl wrote: > > > > > > > > Follow on to: "Series to add device tree naming to i2c" > > > > > > > > Teach module-init-tools about the i2c subsystem. > > > > > > > > > > > > > > Can you please explain what this patch does and why it is needed? > > > > > > > > > > > > It generates the entries needed for the user space module tools to > > > > > > work with the aliases. For example modprobe/depmod. It is a standard > > > > > > part of the kernel module system. > > > > > > > > > > What entries, where? What can you do after applying your patch that > > > > > you > > > > > couldn't do before? > > > > > > > > The drivers you are testing with don't depend on other drivers. > > > > > > They do. I'm testing with the lm90 driver, which depends on the hwmon > > > driver. Both load automatically when the underlying i2c-parport driver > > > instantiate an "adm1032" i2c device. > > > > I don't know exactly what those modules tables are used for. I just > > copied what the other subsystems do. Maybe they are used when you make > > an initrd to know which drivers to copy into the image. > > Module-init-tools needs those table to create module aliases in the *.ko > files from the MODULE_DEVICE_TABLE(), so udev can load the modules based > on the device IDs when the devices appear in sysfs. > > That's the generic part. How this applies to i2c devices on platforms > without Open Firmware device trees is another question. I guess that's > where Jean gets confused (i2c_device_id got _removed_ last year, > because it didn't make sense (at the time?)).
Last year i2c modules weren't dynamically loadable so it wasn't needed. > > With kind regards, > > Geert Uytterhoeven > Software Architect > > Sony Network and Software Technology Center Europe > The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium > > Phone: +32 (0)2 700 8453 > Fax: +32 (0)2 700 8622 > E-mail: [EMAIL PROTECTED] > Internet: http://www.sony-europe.com/ > > Sony Network and Software Technology Center Europe > A division of Sony Service Centre (Europe) N.V. > Registered office: Technologielaan 7 · B-1840 Londerzeel · Belgium > VAT BE 0413.825.160 · RPR Brussels > Fortis Bank Zaventem · Swift GEBABEBB08A · IBAN BE39001382358619 -- Jon Smirl [EMAIL PROTECTED] -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
