On Wed, 2016-03-16 at 21:07 +0100, Hans de Goede wrote:
> The clock_sun6i.c implementation was not deasserting the reset for
> the regular i2c controllers, this commit fixes this.
>
> Signed-off-by: Hans de Goede <hdego...@redhat.com>
All 3 patches: Acked-by: Ian Campbell <i...@hellion.org.uk>
> ---
> arch/arm/cpu/armv7/sunxi/clock_sun6i.c | 11 ++++++++---
> 1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
> b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
> index 700b605..4e1e1a4 100644
> --- a/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
> +++ b/arch/arm/cpu/armv7/sunxi/clock_sun6i.c
> @@ -100,13 +100,18 @@ int clock_twi_onoff(int port, int state)
> return 0;
> }
>
> - /* set the apb clock gate for twi */
> - if (state)
> + /* set the apb clock gate and reset for twi */
> + if (state) {
> setbits_le32(&ccm->apb2_gate,
> CLK_GATE_OPEN <<
> (APB2_GATE_TWI_SHIFT+port));
> - else
> + setbits_le32(&ccm->apb2_reset_cfg,
> + 1 << (APB2_RESET_TWI_SHIFT + port));
> + } else {
> + clrbits_le32(&ccm->apb2_reset_cfg,
> + 1 << (APB2_RESET_TWI_SHIFT + port));
> clrbits_le32(&ccm->apb2_gate,
> CLK_GATE_OPEN <<
> (APB2_GATE_TWI_SHIFT+port));
> + }
>
> return 0;
> }
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