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From: Evan Green <evgreen@chromium.org>
To: Alok Chauhan <alokc@codeaurora.org>
Cc: linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	devicetree@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
	linux-i2c@vger.kernel.org, linux-spi@vger.kernel.org,
	linux-serial@vger.kernel.org,
	Karthikeyan Ramasubramanian <kramasub@codeaurora.org>,
	Andy Gross <andy.gross@linaro.org>,
	David Brown <david.brown@linaro.org>,
	Georgi Djakov <georgi.djakov@linaro.org>,
	Doug Anderson <dianders@chromium.org>,
	Stephen Boyd <swboyd@chromium.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>
Subject: Re: [PATCH 3/6] i2c: i2c-qcom-geni: Add interconnect support
Date: Wed, 23 Jan 2019 17:19:09 -0800	[thread overview]
Message-ID: <CAE=gft6dT0HXzrmberdGg2nS-hp1M68mzbxJyEBOmdrh5x1p1w@mail.gmail.com> (raw)
In-Reply-To: <1548138816-1149-4-git-send-email-alokc@codeaurora.org>

On Mon, Jan 21, 2019 at 10:34 PM Alok Chauhan <alokc@codeaurora.org> wrote:
>
> Get the interconnect paths for I2C based Serial Engine device
> and vote accordingly based on maximum supported I2C frequency.
>
> Signed-off-by: Alok Chauhan <alokc@codeaurora.org>
> ---
>  drivers/i2c/busses/i2c-qcom-geni.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>
> diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
> index db075bc..e8fe63a 100644
> --- a/drivers/i2c/busses/i2c-qcom-geni.c
> +++ b/drivers/i2c/busses/i2c-qcom-geni.c
> @@ -14,6 +14,7 @@
>  #include <linux/pm_runtime.h>
>  #include <linux/qcom-geni-se.h>
>  #include <linux/spinlock.h>
> +#include <linux/interconnect.h>
>
>  #define SE_I2C_TX_TRANS_LEN            0x26c
>  #define SE_I2C_RX_TRANS_LEN            0x270
> @@ -508,6 +509,15 @@ static int geni_i2c_probe(struct platform_device *pdev)
>                 return ret;
>         }
>
> +       /* Set the bus quota to a reasonable value */
> +       gi2c->se.avg_bw = Bps_to_icc(1000);
> +       gi2c->se.peak_bw = Bps_to_icc(76800000);

Can you compute a real bandwidth based on the i2c bus speed, rather
than some max vote?

  parent reply	other threads:[~2019-01-24  1:19 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-22  6:33 [PATCH 0/6] Add interconnect support for GENI QUPs Alok Chauhan
2019-01-22  6:33 ` [PATCH 1/6] dt-bindings: soc: qcom: Add interconnect binding for GENI QUP Alok Chauhan
2019-01-23  6:48   ` alokc
2019-01-23 17:07   ` Bjorn Andersson
2019-01-23 18:41     ` Georgi Djakov
2019-02-23  0:26       ` Rob Herring
2019-02-25 17:39         ` Georgi Djakov
2019-01-23 18:35   ` Georgi Djakov
2019-01-30 22:29     ` alokc
2019-01-24  1:10   ` Evan Green
2019-01-30 22:27     ` alokc
2019-01-22  6:33 ` [PATCH 2/6] soc: qcom: Add wrapper to support for Interconnect path Alok Chauhan
2019-01-23  7:02   ` alokc
2019-01-23 18:14   ` Bjorn Andersson
2019-01-22  6:33 ` [PATCH 3/6] i2c: i2c-qcom-geni: Add interconnect support Alok Chauhan
2019-01-22  9:07   ` Wolfram Sang
2019-01-22  9:13   ` Peter Rosin
2019-01-23  6:51     ` alokc
2019-01-24  1:19   ` Evan Green [this message]
2019-01-22  6:33 ` [PATCH 4/6] spi: spi-geni-qcom: " Alok Chauhan
2019-01-22 20:29   ` Mark Brown
2019-01-23  7:15     ` alokc
2019-01-23 10:58       ` Mark Brown
2019-01-23 16:04   ` Mark Brown
2019-01-24  1:20   ` Evan Green
2019-01-22  6:33 ` [PATCH 5/6] tty: serial: qcom_geni_serial: " Alok Chauhan
2019-01-23  6:53   ` alokc
2019-01-22  6:33 ` [PATCH 6/6] arm64: dts: sdm845: Add interconnect for GENI QUP Alok Chauhan
2019-01-23  6:54   ` alokc
2019-01-23  6:45 ` [PATCH 0/6] Add interconnect support for GENI QUPs alokc
  -- strict thread matches above, loose matches on Subject: below --
2020-02-17 13:29 [PATCH 0/6] Add interconnect support to UART, I2C, SPI and QSPI Akash Asthana
2020-02-17 13:30 ` [PATCH 3/6] i2c: i2c-qcom-geni: Add interconnect support Akash Asthana
2020-02-17 13:30   ` Akash Asthana
2020-02-18 22:47   ` Matthias Kaehlcke
2020-02-18 22:47     ` Matthias Kaehlcke
2020-02-19 13:47     ` Akash Asthana
2020-02-21  0:24       ` Matthias Kaehlcke
2019-01-21 11:21 [PATCH 0/6] Add interconnect support for GENI QUPs Alok Chauhan
2019-01-21 11:21 ` [PATCH 3/6] i2c: i2c-qcom-geni: Add interconnect support Alok Chauhan
2019-01-22  6:54   ` alokc

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