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Groups > linux.kernel > #1548007
| From | Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v5 6/7] i2c: designware: enable SLAVE in platform module |
| Date | 2016-12-28 16:50 +0100 |
| Message-ID | <sToEh-1Kp-3@gated-at.bofh.it> (permalink) |
| References | <sTnIe-11F-7@gated-at.bofh.it> <sTnIe-11F-9@gated-at.bofh.it> |
| Organization | Intel Finland Oy |
On Wed, 2016-12-28 at 14:43 +0000, Luis Oliveira wrote:
> - Slave mode selected in platform module (devicetree support only)
> - Check for ACPI - not supported in SLAVE mode:
> - Changed the ifndef style to the use of ACPI_HANDLE that returns
> NULL
> if the device was not enumerated from ACPI namespace.
I'm not sure what is wrong with ACPI?
> @@ -264,9 +297,16 @@ static int dw_i2c_plat_probe(struct
> platform_device *pdev)
> if (r)
> return r;
>
> - dev->functionality = I2C_FUNC_10BIT_ADDR |
> DW_IC_DEFAULT_FUNCTIONALITY;
> -
> - i2c_dw_configure_master(pdev);
> + if (ACPI_HANDLE(&pdev->dev) == NULL) {
I don't think you need this at all.
> + device_for_each_child_node(&pdev->dev, child) {
This is resource agnostic.
> + fwnode_property_read_u32(child, "reg", ®);
This is as well.
> + if (reg & I2C_OWN_SLAVE_ADDRESS)
> + i2c_dw_configure_slave(pdev);
> + else
> + i2c_dw_configure_master(pdev);
> + }
> + } else
> + i2c_dw_configure_master(pdev);
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
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[PATCH v5 0/7] i2c: designware: add I2C SLAVE support Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 15:50 +0100
[PATCH v5 6/7] i2c: designware: enable SLAVE in platform module Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 15:50 +0100
Re: [PATCH v5 6/7] i2c: designware: enable SLAVE in platform module Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-12-28 16:50 +0100
Re: [PATCH v5 6/7] i2c: designware: enable SLAVE in platform module Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 17:00 +0100
Re: [PATCH v5 6/7] i2c: designware: enable SLAVE in platform module Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-12-28 17:40 +0100
Re: [PATCH v5 6/7] i2c: designware: enable SLAVE in platform module Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 17:50 +0100
Re: [PATCH v5 6/7] i2c: designware: enable SLAVE in platform module Carlos Palminha <CARLOS.PALMINHA@synopsys.com> - 2016-12-28 18:00 +0100
Re: [PATCH v5 6/7] i2c: designware: enable SLAVE in platform module Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-12-28 18:20 +0100
Re: [PATCH v5 6/7] i2c: designware: enable SLAVE in platform module Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 19:20 +0100
[PATCH v5 2/7] i2c: designware: refactoring of the i2c-designware Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 15:50 +0100
Re: [PATCH v5 2/7] i2c: designware: refactoring of the i2c-designware Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-12-28 16:20 +0100
Re: [PATCH v5 2/7] i2c: designware: refactoring of the i2c-designware Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 16:40 +0100
[PATCH v5 5/7] i2c: designware: add SLAVE mode functions Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 15:50 +0100
Re: [PATCH v5 5/7] i2c: designware: add SLAVE mode functions Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-12-28 16:40 +0100
Re: [PATCH v5 5/7] i2c: designware: add SLAVE mode functions Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 17:10 +0100
[PATCH v5 4/7] i2c: designware: introducing I2C_SLAVE definitions Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 15:50 +0100
Re: [PATCH v5 4/7] i2c: designware: introducing I2C_SLAVE definitions Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-12-28 16:20 +0100
[PATCH v5 1/7] i2c: designware: Cleaning and comment style fixes. Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 15:50 +0100
[PATCH v5 3/7] i2c: designware: MASTER mode as separated driver Luis Oliveira <Luis.Oliveira@synopsys.com> - 2016-12-28 15:50 +0100
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