greybus-dev

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[PATCH v2 0/2] staging: greybus: fix warnings reported by checkpatch

by Jaehee Park

The first patch corrects a typo in a comment. The second patch removes an unneeded return. Changes in version 2: - edited the subject to be more concise. - edited the log message to be more descriptive. Jaehee Park (2): staging: greybus: correct typo in comment staging: greybus: remove unneeded return drivers/staging/greybus/arche-apb-ctrl.c | 2 +- drivers/staging/greybus/audio_codec.c | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) -- 2.25.1

4 years, 1 month

[PATCH 0/2] staging: greybus: fix warnings reported by checkpatch

by Jaehee Park

The first patch corrects a typo in a comment. The second patch fixes 'void function return statements are not generally useful' warning. Jaehee Park (2): staging: greybus: correct typo in comment 'Atleast' to 'At least' staging: greybus: remove return in an empty void function drivers/staging/greybus/arche-apb-ctrl.c | 2 +- drivers/staging/greybus/audio_codec.c | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) -- 2.25.1

4 years, 1 month

[PATCH 1/2] staging: greybus: correct typo in comment 'Atleast' to 'At least'

by Jaehee Park

Correct spelling typo. Signed-off-by: Jaehee Park <jhpark1013(a)gmail.com> --- drivers/staging/greybus/arche-apb-ctrl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/greybus/arche-apb-ctrl.c b/drivers/staging/greybus/arche-apb-ctrl.c index bbf3ba744fc4..45afa208d004 100644 --- a/drivers/staging/greybus/arche-apb-ctrl.c +++ b/drivers/staging/greybus/arche-apb-ctrl.c @@ -445,7 +445,7 @@ static int __maybe_unused arche_apb_ctrl_suspend(struct device *dev) static int __maybe_unused arche_apb_ctrl_resume(struct device *dev) { /* - * Atleast for ES2 we have to meet the delay requirement between + * At least for ES2 we have to meet the delay requirement between * unipro switch and AP bridge init, depending on whether bridge is in * OFF state or standby state. * -- 2.25.1

4 years, 1 month

[PATCH v2] staging: greybus: pwm: Drop assignment to struct pwm_chip::base

by Uwe Kleine-König

Since commit f9a8ee8c8bcd ("pwm: Always allocate PWM chip base ID dynamically") the value held in base isn't used any more in the PWM framework. All PMWs get assigned a dynamic ID, so the assignment is redundant and can be dropped. Reviewed-by: Johan Hovold <johan(a)kernel.org> Signed-off-by: Uwe Kleine-König <u.kleine-koenig(a)pengutronix.de> --- Hello, changes since (implicit) v1: - Add "pwm: " to Subject - Add Reviewed-by:-tag for Johan Best regards Uwe drivers/staging/greybus/pwm.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/staging/greybus/pwm.c b/drivers/staging/greybus/pwm.c index ad20ec24031e..3fda172239d2 100644 --- a/drivers/staging/greybus/pwm.c +++ b/drivers/staging/greybus/pwm.c @@ -297,7 +297,6 @@ static int gb_pwm_probe(struct gbphy_device *gbphy_dev, pwm->dev = &gbphy_dev->dev; pwm->ops = &gb_pwm_ops; - pwm->base = -1; /* Allocate base dynamically */ pwm->npwm = pwmc->pwm_max + 1; ret = pwmchip_add(pwm); base-commit: 3123109284176b1532874591f7c81f3837bbdc17 -- 2.35.1

4 years, 1 month

[PATCH] staging: greybus: Drop assignment to struct pwm_chip::base

by Uwe Kleine-König

Since commit f9a8ee8c8bcd ("pwm: Always allocate PWM chip base ID dynamically") the value held in base isn't used any more in the PWM framework. All PMWs get assigned a dynamic ID, so the assignment is redundant and can be dropped. Signed-off-by: Uwe Kleine-König <u.kleine-koenig(a)pengutronix.de> --- drivers/staging/greybus/pwm.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/staging/greybus/pwm.c b/drivers/staging/greybus/pwm.c index ad20ec24031e..3fda172239d2 100644 --- a/drivers/staging/greybus/pwm.c +++ b/drivers/staging/greybus/pwm.c @@ -297,7 +297,6 @@ static int gb_pwm_probe(struct gbphy_device *gbphy_dev, pwm->dev = &gbphy_dev->dev; pwm->ops = &gb_pwm_ops; - pwm->base = -1; /* Allocate base dynamically */ pwm->npwm = pwmc->pwm_max + 1; ret = pwmchip_add(pwm); base-commit: 3123109284176b1532874591f7c81f3837bbdc17 -- 2.35.1

4 years, 1 month

[PATCH] greybus: audio_codec: initialize data to silence static checker warnings

by Xiaomeng Tong

These three declares are here: struct gbaudio_data_connection *data; Since all three of these functions check for if the codec->module_list is empty at the start of the function so these are not real bugs to bypass 'if (!data) {'. To avoid static checker warnings like Smatch, initialize the data with NULL. Signed-off-by: Xiaomeng Tong <xiam0nd.tong(a)gmail.com> --- drivers/staging/greybus/audio_codec.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index b589cf6b1d03..939e05af4dcf 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -397,7 +397,7 @@ static int gbcodec_hw_params(struct snd_pcm_substream *substream, u8 sig_bits, channels; u32 format, rate; struct gbaudio_module_info *module; - struct gbaudio_data_connection *data; + struct gbaudio_data_connection *data = NULL; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); struct gbaudio_stream_params *params; @@ -498,7 +498,7 @@ static int gbcodec_prepare(struct snd_pcm_substream *substream, { int ret; struct gbaudio_module_info *module; - struct gbaudio_data_connection *data; + struct gbaudio_data_connection *data = NULL; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); struct gbaudio_stream_params *params; @@ -562,7 +562,7 @@ static int gbcodec_prepare(struct snd_pcm_substream *substream, static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream) { int ret; - struct gbaudio_data_connection *data; + struct gbaudio_data_connection *data = NULL; struct gbaudio_module_info *module; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); -- 2.17.1

4 years, 2 months

[PATCH] greybus: audio_codec: fix three missing initializers for data

by Xiaomeng Tong

These three bugs are here: struct gbaudio_data_connection *data; If the list '&codec->module_list' is empty then the 'data' will keep unchanged. However, the 'data' is not initialized and filled with trash value. As a result, if the value is not NULL, the check 'if (!data) {' will always be false and never exit expectly. To fix these bug, just initialize 'data' with NULL. Cc: stable(a)vger.kernel.org Fixes: 6dd67645f22cf ("greybus: audio: Use single codec driver registration") Signed-off-by: Xiaomeng Tong <xiam0nd.tong(a)gmail.com> --- drivers/staging/greybus/audio_codec.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index b589cf6b1d03..939e05af4dcf 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -397,7 +397,7 @@ static int gbcodec_hw_params(struct snd_pcm_substream *substream, u8 sig_bits, channels; u32 format, rate; struct gbaudio_module_info *module; - struct gbaudio_data_connection *data; + struct gbaudio_data_connection *data = NULL; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); struct gbaudio_stream_params *params; @@ -498,7 +498,7 @@ static int gbcodec_prepare(struct snd_pcm_substream *substream, { int ret; struct gbaudio_module_info *module; - struct gbaudio_data_connection *data; + struct gbaudio_data_connection *data = NULL; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); struct gbaudio_stream_params *params; @@ -562,7 +562,7 @@ static int gbcodec_prepare(struct snd_pcm_substream *substream, static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream) { int ret; - struct gbaudio_data_connection *data; + struct gbaudio_data_connection *data = NULL; struct gbaudio_module_info *module; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); -- 2.17.1

4 years, 2 months

[PATCH] staging: greybus: codecs: fix type confusion of list iterator variable

by Jakob Koschel

If the list does not exit early then data == NULL and 'module' does not point to a valid list element. Using 'module' in such a case is not valid and was therefore removed. Fixes: 6dd67645f22c ("greybus: audio: Use single codec driver registration") Signed-off-by: Jakob Koschel <jakobkoschel(a)gmail.com> --- drivers/staging/greybus/audio_codec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index b589cf6b1d03..e19b91e7a72e 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -599,8 +599,8 @@ static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream) break; } if (!data) { - dev_err(dai->dev, "%s:%s DATA connection missing\n", - dai->name, module->name); + dev_err(dai->dev, "%s DATA connection missing\n", + dai->name); mutex_unlock(&codec->lock); return -ENODEV; } base-commit: f443e374ae131c168a065ea1748feac6b2e76613 -- 2.25.1

4 years, 2 months

[PATCH] staging: greybus: codecs: use dedicated list iterator variable

by Jakob Koschel

In preparation to limit the scope of the list iterator to the list traversal loop, use a dedicated pointer to point to the found element [1]. Link: https://lore.kernel.org/all/YhdfEIwI4EdtHdym@kroah.com/ Signed-off-by: Jakob Koschel <jakobkoschel(a)gmail.com> --- drivers/staging/greybus/audio_codec.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index b589cf6b1d03..a446d6455fbd 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -497,7 +497,7 @@ static int gbcodec_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { int ret; - struct gbaudio_module_info *module; + struct gbaudio_module_info *module = NULL, *iter; struct gbaudio_data_connection *data; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); @@ -511,11 +511,13 @@ static int gbcodec_prepare(struct snd_pcm_substream *substream, return -ENODEV; } - list_for_each_entry(module, &codec->module_list, list) { + list_for_each_entry(iter, &codec->module_list, list) { /* find the dai */ - data = find_data(module, dai->id); - if (data) + data = find_data(iter, dai->id); + if (data) { + module = iter; break; + } } if (!data) { dev_err(dai->dev, "DATA connection missing\n"); @@ -563,7 +565,7 @@ static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream) { int ret; struct gbaudio_data_connection *data; - struct gbaudio_module_info *module; + struct gbaudio_module_info *module = NULL, *iter; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); struct gbaudio_stream_params *params; @@ -592,11 +594,13 @@ static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream) return ret; } - list_for_each_entry(module, &codec->module_list, list) { + list_for_each_entry(iter, &codec->module_list, list) { /* find the dai */ - data = find_data(module, dai->id); - if (data) + data = find_data(iter, dai->id); + if (data) { + module = iter; break; + } } if (!data) { dev_err(dai->dev, "%s:%s DATA connection missing\n", base-commit: f443e374ae131c168a065ea1748feac6b2e76613 -- 2.25.1

4 years, 2 months

[PATCH] staging: greybus: codecs: fix type confusion with dedicated list iterator variable

by Jakob Koschel

If the list does not exit early then data == NULL and 'module' does not point to a valid list element. Using 'module' in such a case is not valid and was therefore removed. In preparation to limit the scope of the list iterator to the list traversal loop, use a dedicated pointer pointing to the found element [1]. Link: https://lore.kernel.org/all/YhdfEIwI4EdtHdym@kroah.com/ Signed-off-by: Jakob Koschel <jakobkoschel(a)gmail.com> --- drivers/staging/greybus/audio_codec.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index b589cf6b1d03..0f50d1e51e2c 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -497,7 +497,7 @@ static int gbcodec_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { int ret; - struct gbaudio_module_info *module; + struct gbaudio_module_info *module = NULL, *iter; struct gbaudio_data_connection *data; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); @@ -511,11 +511,13 @@ static int gbcodec_prepare(struct snd_pcm_substream *substream, return -ENODEV; } - list_for_each_entry(module, &codec->module_list, list) { + list_for_each_entry(iter, &codec->module_list, list) { /* find the dai */ - data = find_data(module, dai->id); - if (data) + data = find_data(iter, dai->id); + if (data) { + module = iter; break; + } } if (!data) { dev_err(dai->dev, "DATA connection missing\n"); @@ -563,7 +565,7 @@ static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream) { int ret; struct gbaudio_data_connection *data; - struct gbaudio_module_info *module; + struct gbaudio_module_info *module = NULL, *iter; struct gb_bundle *bundle; struct gbaudio_codec_info *codec = dev_get_drvdata(dai->dev); struct gbaudio_stream_params *params; @@ -592,15 +594,17 @@ static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream) return ret; } - list_for_each_entry(module, &codec->module_list, list) { + list_for_each_entry(iter, &codec->module_list, list) { /* find the dai */ - data = find_data(module, dai->id); - if (data) + data = find_data(iter, dai->id); + if (data) { + module = iter; break; + } } if (!data) { - dev_err(dai->dev, "%s:%s DATA connection missing\n", - dai->name, module->name); + dev_err(dai->dev, "%s DATA connection missing\n", + dai->name); mutex_unlock(&codec->lock); return -ENODEV; } base-commit: 34e047aa16c0123bbae8e2f6df33e5ecc1f56601 -- 2.25.1

4 years, 2 months

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