Le Tuesday 26 January 2016 à 06:42 +0100, Wolfram Sang a écrit : > On Fri, Jan 22, 2016 at 02:12:02PM +0100, Jean Delvare wrote: > > We need a single mutex for all 4 shared SMBus ports on the SB800. A > > per-port mutex doesn't protect us from concurrent access. > > > > In theory the mutex should be per PCI device, however in practice we > > know that there's only ever a single instance of the device in a given > > system so we can use a global. > > > > Also take the mutex during initialization, as first port may be already > > in use when second port is initialized. > > > > Signed-off-by: Jean Delvare <jdelvare@xxxxxxx> > > Cc: Christian Fetzer <fetzer.ch@xxxxxxxxx> > > Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> > > Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx> > > Fixed a sparse warning by making the mutex static, took the freedom to > read Christian's mail as Tested-by and applied to for-current, thanks! Oh, I thought I had fixed that before submitting but clearly I forgot. Thanks for doing it :) I'll send a patch restoring I2C bus names for older devices later today. I have a few other fixups in mind but the rest isn't as urgent. -- Jean Delvare SUSE L3 Support -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
