From: Vinod Koul <vkoul@kernel.org>
To: Bard Liao <yung-chuan.liao@linux.intel.com>
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
tiwai@suse.de, broonie@kernel.org, gregkh@linuxfoundation.org,
jank@cadence.com, srinivas.kandagatla@linaro.org,
rander.wang@linux.intel.com, ranjani.sridharan@linux.intel.com,
hui.wang@canonical.com, pierre-louis.bossart@linux.intel.com,
sanyog.r.kale@intel.com, mengdong.lin@intel.com,
bard.liao@intel.com
Subject: Re: [PATCH 1/2] soundwire: add definition for maximum number of ports
Date: Tue, 18 Aug 2020 12:05:38 +0530 [thread overview]
Message-ID: <20200818063538.GV2639@vkoul-mobl> (raw)
In-Reply-To: <20200817174727.15139-2-yung-chuan.liao@linux.intel.com>
On 18-08-20, 01:47, Bard Liao wrote:
> From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
>
> A Device may have at most 15 physical ports (DP0, DP1..DP14).
>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
> Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
> ---
> include/linux/soundwire/sdw.h | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
> index 76052f12c9f7..0aa4c6af7554 100644
> --- a/include/linux/soundwire/sdw.h
> +++ b/include/linux/soundwire/sdw.h
> @@ -38,7 +38,8 @@ struct sdw_slave;
> #define SDW_FRAME_CTRL_BITS 48
> #define SDW_MAX_DEVICES 11
>
> -#define SDW_VALID_PORT_RANGE(n) ((n) <= 14 && (n) >= 1)
> +#define SDW_MAX_PORTS 15
> +#define SDW_VALID_PORT_RANGE(n) ((n) < SDW_MAX_PORTS && (n) >= 1)
What is the use of this one if we are allocating all ports always, Also,
I dont see it used in second patch?
>
> enum {
> SDW_PORT_DIRN_SINK = 0,
> --
> 2.17.1
--
~Vinod
next prev parent reply other threads:[~2020-08-18 6:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-17 17:47 [PATCH 0/2] soundwire: fix port_ready[] dynamic allocation in Bard Liao
2020-08-17 17:47 ` [PATCH 1/2] soundwire: add definition for maximum number of ports Bard Liao
2020-08-18 6:35 ` Vinod Koul [this message]
2020-08-18 6:53 ` Liao, Bard
2020-08-18 8:31 ` Vinod Koul
2020-08-17 17:47 ` [PATCH 2/2] soundwire: fix port_ready[] dynamic allocation in mipi_disco and ASoC codecs Bard Liao
2020-08-18 6:36 ` Vinod Koul
2020-08-18 12:09 ` Pierre-Louis Bossart
2020-08-18 13:50 ` Pierre-Louis Bossart
2020-08-21 5:15 ` Vinod Koul
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