From: Vinod Koul <vkoul@kernel.org>
To: Jonathan Marek <jonathan@marek.ca>
Cc: alsa-devel@alsa-project.org, Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Sanyog Kale <sanyog.r.kale@intel.com>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
"open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/5] soundwire: qcom: add support for mmio soundwire devices
Date: Tue, 9 Jun 2020 10:04:20 +0530 [thread overview]
Message-ID: <20200609043420.GA1084979@vkoul-mobl> (raw)
In-Reply-To: <20200608204347.19685-3-jonathan@marek.ca>
Hi Jonathan,
On 08-06-20, 16:43, Jonathan Marek wrote:
> Adds support for qcom soundwire devices with memory mapped IO registers.
Please use 'SoundWire Master devices' instead :)
>
> Signed-off-by: Jonathan Marek <jonathan@marek.ca>
> ---
> drivers/soundwire/qcom.c | 25 +++++++++++++++++++++++--
> 1 file changed, 23 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
> index f38d1fd3679f..628747df1c75 100644
> --- a/drivers/soundwire/qcom.c
> +++ b/drivers/soundwire/qcom.c
> @@ -90,6 +90,7 @@ struct qcom_swrm_ctrl {
> struct sdw_bus bus;
> struct device *dev;
> struct regmap *regmap;
> + void __iomem *mmio;
> struct completion *comp;
> struct work_struct slave_work;
> /* read/write lock */
> @@ -154,6 +155,20 @@ static int qcom_swrm_ahb_reg_write(struct qcom_swrm_ctrl *ctrl,
> return SDW_CMD_OK;
> }
>
> +static int qcom_swrm_cpu_reg_read(struct qcom_swrm_ctrl *ctrl, int reg,
> + u32 *val)
> +{
> + *val = readl(ctrl->mmio + reg);
> + return SDW_CMD_OK;
> +}
> +
> +static int qcom_swrm_cpu_reg_write(struct qcom_swrm_ctrl *ctrl, int reg,
> + int val)
> +{
> + writel(val, ctrl->mmio + reg);
> + return SDW_CMD_OK;
> +}
this looks fine but regmap supports mmio also, so I am thinking we
should remove these and set regmap (mmio/slim)... Srini..?
--
~Vinod
next prev parent reply other threads:[~2020-06-09 4:34 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-08 20:43 [PATCH 0/5] soundwire: qcom: add mmio support Jonathan Marek
2020-06-08 20:43 ` [PATCH 1/5] soundwire: qcom: fix abh/ahb typo Jonathan Marek
2020-06-09 9:18 ` Srinivas Kandagatla
2020-06-08 20:43 ` [PATCH 2/5] soundwire: qcom: add support for mmio soundwire devices Jonathan Marek
2020-06-08 21:31 ` Pierre-Louis Bossart
2020-06-09 4:34 ` Vinod Koul [this message]
2020-06-09 9:18 ` Srinivas Kandagatla
2020-06-09 11:20 ` Jonathan Marek
2020-06-09 9:19 ` Srinivas Kandagatla
2020-06-09 11:04 ` Jonathan Marek
2020-06-10 10:55 ` Srinivas Kandagatla
2020-06-08 20:43 ` [PATCH 3/5] soundwire: qcom: add v1.5.1 compatible Jonathan Marek
2020-06-09 5:26 ` Vinod Koul
2020-06-09 11:17 ` Jonathan Marek
2020-06-10 10:40 ` Srinivas Kandagatla
2020-06-08 20:43 ` [PATCH 4/5] soundwire: qcom: avoid dependency on CONFIG_SLIMBUS Jonathan Marek
2020-06-08 20:58 ` Jonathan Marek
2020-06-08 21:20 ` Pierre-Louis Bossart
2020-06-08 21:46 ` Jonathan Marek
2020-06-09 9:52 ` Srinivas Kandagatla
2020-06-09 11:33 ` Jonathan Marek
2020-06-10 10:36 ` Srinivas Kandagatla
2020-06-10 12:06 ` Jonathan Marek
2020-08-27 18:16 ` Dmitry Baryshkov
2020-06-08 20:43 ` [PATCH 5/5] soundwire: qcom: enable CPU interrupts for mmio devices Jonathan Marek
2020-06-09 9:26 ` [PATCH 0/5] soundwire: qcom: add mmio support Srinivas Kandagatla
2020-06-09 11:11 ` Jonathan Marek
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