| Date | Thu, 1 Aug 2013 08:49:19 +0300 | From | Tomi Valkeinen <> | Subject | Re: [26/84] ARM: OMAP: RX-51: change probe order of touchscreen and panel SPI devices |
| |
Hi,
On 31/07/13 16:23, Ben Hutchings wrote: > 3.2.50-rc1 review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Aaro Koskinen <aaro.koskinen@iki.fi> > > commit e65f131a14726e5f1b880a528271a52428e5b3a5 upstream. > > Commit 9fdca9df (spi: omap2-mcspi: convert to module_platform_driver) > broke the SPI display/panel driver probe on RX-51/N900. The exact cause is > not fully understood, but it seems to be related to the probe order. SPI > communication to the panel driver (spi1.2) fails unless the touchscreen > (spi1.0) has been probed/initialized before. When the omap2-mcspi driver > was converted to a platform driver, it resulted in that the devices are > probed immediately after the board registers them in the order they are > listed in the board file.
I'm not really familiar with this issue, but:
The commit 9fdca9df was merged to v3.5. Has that also been backported to 3.2? If not, I don't think this patch is needed for 3.2, as the patch causing the problem is not in 3.2.
Tomi
[unhandled content-type:application/pgp-signature] |