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Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c changes from Wolfram Sang:
- an arbitration driver. While the driver is quite simple, it caused
discussion if we need additional arbitration on top of the one
specified in the I2C standard. Conclusion is that I accept a few
generic mechanisms, but not very specific ones.
- the core lost the detach_adapter() call. It has no users anymore and
was in the way for other cleanups. attach_adapter() is sadly still
there since there are users waiting to be converted.
- the core gained a bus recovery infrastructure. I2C defines a way to
recover if the data line is stalled. This mechanism is now in the
core and drivers can now pass some data to make use of it.
- bigger driver cleanups for designware, s3c2410
- removing superfluous refcounting from drivers
- removing Ben Dooks as second maintainer due to inactivity. Thanks
for all your work so far, Ben!
- bugfixes, feature additions, devicetree fixups, simplifications...
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (38 commits)
i2c: xiic: must always write 16-bit words to TX_FIFO
i2c: octeon: use HZ in timeout value
i2c: octeon: Fix i2c fail problem when a process is terminated by a signal
i2c: designware-pci: drop superfluous {get|put}_device
i2c: designware-plat: drop superfluous {get|put}_device
i2c: davinci: drop superfluous {get|put}_device
MAINTAINERS: Ben Dooks is inactive regarding I2C
i2c: mux: Add i2c-arb-gpio-challenge 'mux' driver
i2c: at91: convert to dma_request_slave_channel_compat()
i2c: mxs: do error checking and handling in PIO mode
i2c: mxs: remove races in PIO code
i2c-designware: switch to use runtime PM autosuspend
i2c-designware: use usleep_range() in the busy-loop
i2c-designware: enable/disable the controller properly
i2c-designware: use dynamic adapter numbering on Lynxpoint
i2c-designware-pci: use managed functions pcim_* and devm_*
i2c-designware-pci: use dev_err() instead of printk()
i2c-designware: move to managed functions (devm_*)
i2c: remove CONFIG_HOTPLUG ifdefs
i2c: s3c2410: Add SMBus emulation for block read
...
This commit is contained in:
commit
99bece775f
42 changed files with 960 additions and 497 deletions
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@ -397,8 +397,8 @@ int init_bttv_i2c(struct bttv *btv)
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int fini_bttv_i2c(struct bttv *btv)
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{
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if (0 != btv->i2c_rc)
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return 0;
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if (btv->i2c_rc == 0)
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i2c_del_adapter(&btv->c.i2c_adap);
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return i2c_del_adapter(&btv->c.i2c_adap);
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return 0;
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}
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@ -261,6 +261,8 @@ int mantis_i2c_exit(struct mantis_pci *mantis)
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mmwrite((intmask & ~MANTIS_INT_I2CDONE), MANTIS_INT_MASK);
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dprintk(MANTIS_DEBUG, 1, "Removing I2C adapter");
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return i2c_del_adapter(&mantis->adapter);
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i2c_del_adapter(&mantis->adapter);
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return 0;
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}
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EXPORT_SYMBOL_GPL(mantis_i2c_exit);
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