Re: [PATCH v2] i2c: exynos5: Preserve high speed master code

2021-02-26 Thread Wolfram Sang
On Fri, Feb 26, 2021 at 11:40:00AM +0100, Krzysztof Kozlowski wrote: > On Fri, 26 Feb 2021 at 11:34, Wolfram Sang wrote: > > > > On Tue, Feb 16, 2021 at 11:25:38PM +0100, Mårten Lindahl wrote: > > > From: Mårten Lindahl > > > > > > When the driver starts to send a message with the MASTER_ID

Re: [PATCH v2] i2c: exynos5: Preserve high speed master code

2021-02-26 Thread Krzysztof Kozlowski
On Fri, 26 Feb 2021 at 11:34, Wolfram Sang wrote: > > On Tue, Feb 16, 2021 at 11:25:38PM +0100, Mårten Lindahl wrote: > > From: Mårten Lindahl > > > > When the driver starts to send a message with the MASTER_ID field > > set (high speed), the whole I2C_ADDR register is overwritten including > >

Re: [PATCH v2] i2c: exynos5: Preserve high speed master code

2021-02-26 Thread Wolfram Sang
On Tue, Feb 16, 2021 at 11:25:38PM +0100, Mårten Lindahl wrote: > From: Mårten Lindahl > > When the driver starts to send a message with the MASTER_ID field > set (high speed), the whole I2C_ADDR register is overwritten including > MASTER_ID as the SLV_ADDR_MAS field is set. > > This patch

Re: [PATCH v2] i2c: exynos5: Preserve high speed master code

2021-02-17 Thread Krzysztof Kozlowski
On Tue, Feb 16, 2021 at 11:25:38PM +0100, Mårten Lindahl wrote: > From: Mårten Lindahl > > When the driver starts to send a message with the MASTER_ID field > set (high speed), the whole I2C_ADDR register is overwritten including > MASTER_ID as the SLV_ADDR_MAS field is set. > > This patch

[PATCH v2] i2c: exynos5: Preserve high speed master code

2021-02-16 Thread Mårten Lindahl
From: Mårten Lindahl When the driver starts to send a message with the MASTER_ID field set (high speed), the whole I2C_ADDR register is overwritten including MASTER_ID as the SLV_ADDR_MAS field is set. This patch preserves already written fields in I2C_ADDR when writing SLV_ADDR_MAS.