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Groups > linux.kernel > #1532009
| From | Mika Westerberg <mika.westerberg@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V1] i2c: designware: fix wrong tx/rx fifo for ACPI |
| Date | 2016-11-29 10:10 +0100 |
| Message-ID | <sIMAh-6nV-9@gated-at.bofh.it> (permalink) |
| References | <sIHqV-2QL-3@gated-at.bofh.it> |
| Organization | Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo |
On Tue, Nov 29, 2016 at 10:32:07AM +0700, Tin Huynh wrote: > ACPI always sets txfifo and rxfifo to 32. This configuration will > cause problem if the IP core supports a fifo size of 16 bytes only. > Set the default value to 0 so the driver will get these parameters > from IP core. Except when those values are not available which is the reason why we have the default 32 for ACPI systems. Are you saying you have DW I2C controller on ACPI system where the FIFO is smaller than 32?
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[PATCH V1] i2c: designware: fix wrong tx/rx fifo for ACPI Tin Huynh <tnhuynh@apm.com> - 2016-11-29 04:40 +0100
Re: [PATCH V1] i2c: designware: fix wrong tx/rx fifo for ACPI Mika Westerberg <mika.westerberg@linux.intel.com> - 2016-11-29 10:10 +0100
Re: [PATCH V1] i2c: designware: fix wrong tx/rx fifo for ACPI Mika Westerberg <mika.westerberg@linux.intel.com> - 2016-11-29 10:30 +0100
Re: [PATCH V1] i2c: designware: fix wrong tx/rx fifo for ACPI Tin Huynh <tnhuynh@apm.com> - 2016-11-29 10:40 +0100
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