From: Bard Liao <yung-chuan.liao@linux.intel.com> To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, bard.liao@intel.com Subject: [PATCH 11/11] soundwire: intel: add helper to stop bus Date: Tue, 20 Sep 2022 01:57:21 +0800 [thread overview] Message-ID: <20220919175721.354679-12-yung-chuan.liao@linux.intel.com> (raw) In-Reply-To: <20220919175721.354679-1-yung-chuan.liao@linux.intel.com> From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> We have three nearly identical sequences to stop the clock, let's introduce a helper to reuse the same code. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> --- drivers/soundwire/intel.c | 83 +++++++++++++++++++-------------------- 1 file changed, 41 insertions(+), 42 deletions(-) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index abe14436d874..15fe083e0402 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1391,6 +1391,38 @@ static int intel_start_bus_after_clock_stop(struct sdw_intel *sdw) return 0; } +static int intel_stop_bus(struct sdw_intel *sdw, bool clock_stop) +{ + struct device *dev = sdw->cdns.dev; + struct sdw_cdns *cdns = &sdw->cdns; + bool wake_enable = false; + int ret; + + if (clock_stop) { + ret = sdw_cdns_clock_stop(cdns, true); + if (ret < 0) + dev_err(dev, "%s: cannot stop clock: %d\n", __func__, ret); + else + wake_enable = true; + } + + ret = sdw_cdns_enable_interrupt(cdns, false); + if (ret < 0) { + dev_err(dev, "%s: cannot disable interrupts: %d\n", __func__, ret); + return ret; + } + + ret = intel_link_power_down(sdw); + if (ret) { + dev_err(dev, "%s: Link power down failed: %d\n", __func__, ret); + return ret; + } + + intel_shim_wake(sdw, wake_enable); + + return 0; +} + static int sdw_master_read_intel_prop(struct sdw_bus *bus) { struct sdw_master_prop *prop = &bus->prop; @@ -1790,20 +1822,12 @@ static int __maybe_unused intel_suspend(struct device *dev) return 0; } - ret = sdw_cdns_enable_interrupt(cdns, false); + ret = intel_stop_bus(sdw, false); if (ret < 0) { - dev_err(dev, "cannot disable interrupts on suspend\n"); + dev_err(dev, "%s: cannot stop bus: %d\n", __func__, ret); return ret; } - ret = intel_link_power_down(sdw); - if (ret) { - dev_err(dev, "Link power down failed: %d\n", ret); - return ret; - } - - intel_shim_wake(sdw, false); - return 0; } @@ -1824,44 +1848,19 @@ static int __maybe_unused intel_suspend_runtime(struct device *dev) clock_stop_quirks = sdw->link_res->clock_stop_quirks; if (clock_stop_quirks & SDW_INTEL_CLK_STOP_TEARDOWN) { - - ret = sdw_cdns_enable_interrupt(cdns, false); + ret = intel_stop_bus(sdw, false); if (ret < 0) { - dev_err(dev, "cannot disable interrupts on suspend\n"); + dev_err(dev, "%s: cannot stop bus during teardown: %d\n", + __func__, ret); return ret; } - - ret = intel_link_power_down(sdw); - if (ret) { - dev_err(dev, "Link power down failed: %d\n", ret); - return ret; - } - - intel_shim_wake(sdw, false); - - } else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET || - !clock_stop_quirks) { - bool wake_enable = true; - - ret = sdw_cdns_clock_stop(cdns, true); - if (ret < 0) { - dev_err(dev, "cannot enable clock stop on suspend\n"); - wake_enable = false; - } - - ret = sdw_cdns_enable_interrupt(cdns, false); + } else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET || !clock_stop_quirks) { + ret = intel_stop_bus(sdw, true); if (ret < 0) { - dev_err(dev, "cannot disable interrupts on suspend\n"); - return ret; - } - - ret = intel_link_power_down(sdw); - if (ret) { - dev_err(dev, "Link power down failed: %d\n", ret); + dev_err(dev, "%s: cannot stop bus during clock_stop: %d\n", + __func__, ret); return ret; } - - intel_shim_wake(sdw, wake_enable); } else { dev_err(dev, "%s clock_stop_quirks %x unsupported\n", __func__, clock_stop_quirks); -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Bard Liao <yung-chuan.liao@linux.intel.com> To: alsa-devel@alsa-project.org, vkoul@kernel.org Cc: pierre-louis.bossart@linux.intel.com, vinod.koul@linaro.org, bard.liao@intel.com, linux-kernel@vger.kernel.org Subject: [PATCH 11/11] soundwire: intel: add helper to stop bus Date: Tue, 20 Sep 2022 01:57:21 +0800 [thread overview] Message-ID: <20220919175721.354679-12-yung-chuan.liao@linux.intel.com> (raw) In-Reply-To: <20220919175721.354679-1-yung-chuan.liao@linux.intel.com> From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> We have three nearly identical sequences to stop the clock, let's introduce a helper to reuse the same code. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> --- drivers/soundwire/intel.c | 83 +++++++++++++++++++-------------------- 1 file changed, 41 insertions(+), 42 deletions(-) diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index abe14436d874..15fe083e0402 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -1391,6 +1391,38 @@ static int intel_start_bus_after_clock_stop(struct sdw_intel *sdw) return 0; } +static int intel_stop_bus(struct sdw_intel *sdw, bool clock_stop) +{ + struct device *dev = sdw->cdns.dev; + struct sdw_cdns *cdns = &sdw->cdns; + bool wake_enable = false; + int ret; + + if (clock_stop) { + ret = sdw_cdns_clock_stop(cdns, true); + if (ret < 0) + dev_err(dev, "%s: cannot stop clock: %d\n", __func__, ret); + else + wake_enable = true; + } + + ret = sdw_cdns_enable_interrupt(cdns, false); + if (ret < 0) { + dev_err(dev, "%s: cannot disable interrupts: %d\n", __func__, ret); + return ret; + } + + ret = intel_link_power_down(sdw); + if (ret) { + dev_err(dev, "%s: Link power down failed: %d\n", __func__, ret); + return ret; + } + + intel_shim_wake(sdw, wake_enable); + + return 0; +} + static int sdw_master_read_intel_prop(struct sdw_bus *bus) { struct sdw_master_prop *prop = &bus->prop; @@ -1790,20 +1822,12 @@ static int __maybe_unused intel_suspend(struct device *dev) return 0; } - ret = sdw_cdns_enable_interrupt(cdns, false); + ret = intel_stop_bus(sdw, false); if (ret < 0) { - dev_err(dev, "cannot disable interrupts on suspend\n"); + dev_err(dev, "%s: cannot stop bus: %d\n", __func__, ret); return ret; } - ret = intel_link_power_down(sdw); - if (ret) { - dev_err(dev, "Link power down failed: %d\n", ret); - return ret; - } - - intel_shim_wake(sdw, false); - return 0; } @@ -1824,44 +1848,19 @@ static int __maybe_unused intel_suspend_runtime(struct device *dev) clock_stop_quirks = sdw->link_res->clock_stop_quirks; if (clock_stop_quirks & SDW_INTEL_CLK_STOP_TEARDOWN) { - - ret = sdw_cdns_enable_interrupt(cdns, false); + ret = intel_stop_bus(sdw, false); if (ret < 0) { - dev_err(dev, "cannot disable interrupts on suspend\n"); + dev_err(dev, "%s: cannot stop bus during teardown: %d\n", + __func__, ret); return ret; } - - ret = intel_link_power_down(sdw); - if (ret) { - dev_err(dev, "Link power down failed: %d\n", ret); - return ret; - } - - intel_shim_wake(sdw, false); - - } else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET || - !clock_stop_quirks) { - bool wake_enable = true; - - ret = sdw_cdns_clock_stop(cdns, true); - if (ret < 0) { - dev_err(dev, "cannot enable clock stop on suspend\n"); - wake_enable = false; - } - - ret = sdw_cdns_enable_interrupt(cdns, false); + } else if (clock_stop_quirks & SDW_INTEL_CLK_STOP_BUS_RESET || !clock_stop_quirks) { + ret = intel_stop_bus(sdw, true); if (ret < 0) { - dev_err(dev, "cannot disable interrupts on suspend\n"); - return ret; - } - - ret = intel_link_power_down(sdw); - if (ret) { - dev_err(dev, "Link power down failed: %d\n", ret); + dev_err(dev, "%s: cannot stop bus during clock_stop: %d\n", + __func__, ret); return ret; } - - intel_shim_wake(sdw, wake_enable); } else { dev_err(dev, "%s clock_stop_quirks %x unsupported\n", __func__, clock_stop_quirks); -- 2.25.1
next prev parent reply other threads:[~2022-09-19 17:51 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-19 17:57 [PATCH 00/11] soundwire: intel: cleanups/fixes before code reorganization Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 01/11] soundwire: intel: fix error handling on dai registration issues Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 02/11] soundwire: intel: simplify flow and use devm_ for DAI registration Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 03/11] soundwire: intel: move DAI registration and debugfs init earlier Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 04/11] soundwire: intel: move all PDI initialization under intel_register_dai() Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 05/11] soundwire: intel: remove clock_stop parameter in intel_shim_init() Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 06/11] soundwire: intel: move shim initialization before power up/down Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 07/11] soundwire: intel: remove intel_init() wrapper Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 08/11] soundwire: intel: simplify read ops assignment Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 09/11] soundwire: intel: introduce intel_shim_check_wake() helper Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` [PATCH 10/11] soundwire: intel: introduce helpers to start bus Bard Liao 2022-09-19 17:57 ` Bard Liao 2022-09-19 17:57 ` Bard Liao [this message] 2022-09-19 17:57 ` [PATCH 11/11] soundwire: intel: add helper to stop bus Bard Liao 2022-09-20 5:09 ` [PATCH 00/11] soundwire: intel: cleanups/fixes before code reorganization Vinod Koul 2022-09-20 5:09 ` Vinod Koul
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