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Mon, 08 Jun 2020 14:46:28 -0700 (PDT) Subject: Re: [PATCH 4/5] soundwire: qcom: avoid dependency on CONFIG_SLIMBUS To: Pierre-Louis Bossart , alsa-devel@alsa-project.org Cc: Vinod Koul , Sanyog Kale , Andy Gross , Bjorn Andersson , open list , "open list:ARM/QUALCOMM SUPPORT" References: <20200608204347.19685-1-jonathan@marek.ca> <20200608204347.19685-5-jonathan@marek.ca> <33017798-9546-12dc-b857-493f56c3d557@linux.intel.com> From: Jonathan Marek Message-ID: Date: Mon, 8 Jun 2020 17:46:49 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <33017798-9546-12dc-b857-493f56c3d557@linux.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 6/8/20 5:20 PM, Pierre-Louis Bossart wrote: > > > On 6/8/20 3:43 PM, Jonathan Marek wrote: >> The driver may be used without slimbus, so don't depend on slimbus. >> >> Signed-off-by: Jonathan Marek >> --- >>   drivers/soundwire/Kconfig | 1 - >>   drivers/soundwire/qcom.c  | 5 +++++ >>   2 files changed, 5 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/soundwire/Kconfig b/drivers/soundwire/Kconfig >> index fa2b4ab92ed9..d121cf739090 100644 >> --- a/drivers/soundwire/Kconfig >> +++ b/drivers/soundwire/Kconfig >> @@ -33,7 +33,6 @@ config SOUNDWIRE_INTEL >>   config SOUNDWIRE_QCOM >>       tristate "Qualcomm SoundWire Master driver" >> -    depends on SLIMBUS >>       depends on SND_SOC >>       help >>         SoundWire Qualcomm Master driver. >> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c >> index 14334442615f..ac81c64768ea 100644 >> --- a/drivers/soundwire/qcom.c >> +++ b/drivers/soundwire/qcom.c >> @@ -769,13 +769,18 @@ static int qcom_swrm_probe(struct >> platform_device *pdev) >>       if (!ctrl) >>           return -ENOMEM; >> +#ifdef CONFIG_SLIMBUS >>       if (dev->parent->bus == &slimbus_bus) { >> +#else >> +    if (false) { >> +#endif > > > maybe: > > if (IS_ENABLED(CONFIG_SLIMBUS) && >     dev->parent->bus == &slimbus_bus) > > It won't compile like this, because "slimbus_bus" is not defined when CONFIG_SLIMBUS is disabled. >>           ctrl->reg_read = qcom_swrm_ahb_reg_read; >>           ctrl->reg_write = qcom_swrm_ahb_reg_write; >>           ctrl->regmap = dev_get_regmap(dev->parent, NULL); >>           if (!ctrl->regmap) >>               return -EINVAL; >>       } else { >> + >>           res = platform_get_resource(pdev, IORESOURCE_MEM, 0); >>           ctrl->reg_read = qcom_swrm_cpu_reg_read; >>