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[PATCH OLK-6.6 340/602] crypto: ccp - Fix sample application signature passing
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Mario Limonciello <mario.limonciello(a)amd.com> stable inclusion from stable-v6.6.2 commit e2866646d9c55b078210e9da425fb96fcd7b7716 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 2ad01eb5fad24627ab4e196dc54a220753b2238b ] When parameters are sent the PSP returns back it's own signature for the application to verify the authenticity of the result. Display this signature to the caller instead of the one the caller sent. Fixes: f40d42f116cf ("crypto: ccp - Add a sample python script for Dynamic Boost Control") Fixes: febe3ed3222f ("crypto: ccp - Add a sample library for ioctl use") Signed-off-by: Mario Limonciello <mario.limonciello(a)amd.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- tools/crypto/ccp/dbc.c | 1 + tools/crypto/ccp/dbc.py | 5 +++-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/crypto/ccp/dbc.c b/tools/crypto/ccp/dbc.c index 7774e981849f..a807df0f0597 100644 --- a/tools/crypto/ccp/dbc.c +++ b/tools/crypto/ccp/dbc.c @@ -68,5 +68,6 @@ int process_param(int fd, int msg_index, __u8 *signature, int *data) return errno; *data = tmp.param; + memcpy(signature, tmp.signature, sizeof(tmp.signature)); return 0; } diff --git a/tools/crypto/ccp/dbc.py b/tools/crypto/ccp/dbc.py index 3956efe7537a..2b91415b1940 100644 --- a/tools/crypto/ccp/dbc.py +++ b/tools/crypto/ccp/dbc.py @@ -57,7 +57,8 @@ def process_param(device, message, signature, data=None): if type(message) != tuple: raise ValueError("Expected message tuple") arg = ctypes.c_int(data if data else 0) - ret = lib.process_param(device.fileno(), message[0], signature, ctypes.pointer(arg)) + sig = ctypes.create_string_buffer(signature, len(signature)) + ret = lib.process_param(device.fileno(), message[0], ctypes.pointer(sig), ctypes.pointer(arg)) if ret: handle_error(ret) - return arg, signature + return arg.value, sig.value -- 2.25.1

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[PATCH OLK-6.6 339/602] crypto: ccp - Fix DBC sample application error handling
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Mario Limonciello <mario.limonciello(a)amd.com> stable inclusion from stable-v6.6.2 commit 3b1ea9069ae763d1d99279cc63d05a52222e285a category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 70f242c1933e9e881c13c31640bb6d56e8b7e738 ] The sample application was taking values from ioctl() and treating those as the error codes to present to a user. This is incorrect when ret is non-zero, the error is stored to `errno`. Use this value instead. Fixes: f40d42f116cf ("crypto: ccp - Add a sample python script for Dynamic Boost Control") Fixes: febe3ed3222f ("crypto: ccp - Add a sample library for ioctl use") Signed-off-by: Mario Limonciello <mario.limonciello(a)amd.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- tools/crypto/ccp/dbc.c | 16 ++++++++-------- tools/crypto/ccp/dbc.py | 3 +-- 2 files changed, 9 insertions(+), 10 deletions(-) diff --git a/tools/crypto/ccp/dbc.c b/tools/crypto/ccp/dbc.c index 37e813175642..7774e981849f 100644 --- a/tools/crypto/ccp/dbc.c +++ b/tools/crypto/ccp/dbc.c @@ -8,6 +8,7 @@ */ #include <assert.h> +#include <errno.h> #include <string.h> #include <sys/ioctl.h> @@ -22,16 +23,14 @@ int get_nonce(int fd, void *nonce_out, void *signature) struct dbc_user_nonce tmp = { .auth_needed = !!signature, }; - int ret; assert(nonce_out); if (signature) memcpy(tmp.signature, signature, sizeof(tmp.signature)); - ret = ioctl(fd, DBCIOCNONCE, &tmp); - if (ret) - return ret; + if (ioctl(fd, DBCIOCNONCE, &tmp)) + return errno; memcpy(nonce_out, tmp.nonce, sizeof(tmp.nonce)); return 0; @@ -47,7 +46,9 @@ int set_uid(int fd, __u8 *uid, __u8 *signature) memcpy(tmp.uid, uid, sizeof(tmp.uid)); memcpy(tmp.signature, signature, sizeof(tmp.signature)); - return ioctl(fd, DBCIOCUID, &tmp); + if (ioctl(fd, DBCIOCUID, &tmp)) + return errno; + return 0; } int process_param(int fd, int msg_index, __u8 *signature, int *data) @@ -63,9 +64,8 @@ int process_param(int fd, int msg_index, __u8 *signature, int *data) memcpy(tmp.signature, signature, sizeof(tmp.signature)); - ret = ioctl(fd, DBCIOCPARAM, &tmp); - if (ret) - return ret; + if (ioctl(fd, DBCIOCPARAM, &tmp)) + return errno; *data = tmp.param; return 0; diff --git a/tools/crypto/ccp/dbc.py b/tools/crypto/ccp/dbc.py index 3f6a825ffc9e..3956efe7537a 100644 --- a/tools/crypto/ccp/dbc.py +++ b/tools/crypto/ccp/dbc.py @@ -27,8 +27,7 @@ lib = ctypes.CDLL("./dbc_library.so", mode=ctypes.RTLD_GLOBAL) def handle_error(code): - val = code * -1 - raise OSError(val, os.strerror(val)) + raise OSError(code, os.strerror(code)) def get_nonce(device, signature): -- 2.25.1

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[PATCH OLK-6.6 338/602] crypto: ccp - Fix ioctl unit tests
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Mario Limonciello <mario.limonciello(a)amd.com> stable inclusion from stable-v6.6.2 commit 9670d536295c65779bf4bd3948ab3c5a673daf4a category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 7f71c3e033824e1da237916a1885e3c0699f86b2 ] A local environment change was importing ioctl_opt which is required for ioctl tests to pass. Add the missing import for it. Fixes: 15f8aa7bb3e5 ("crypto: ccp - Add unit tests for dynamic boost control") Signed-off-by: Mario Limonciello <mario.limonciello(a)amd.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- tools/crypto/ccp/test_dbc.py | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/tools/crypto/ccp/test_dbc.py b/tools/crypto/ccp/test_dbc.py index 998bb3e3cd04..a28a1f94c1d2 100755 --- a/tools/crypto/ccp/test_dbc.py +++ b/tools/crypto/ccp/test_dbc.py @@ -4,6 +4,12 @@ import unittest import os import time import glob +import fcntl +try: + import ioctl_opt as ioctl +except ImportError: + ioctl = None + pass from dbc import * # Artificial delay between set commands @@ -64,13 +70,16 @@ class TestInvalidIoctls(DynamicBoostControlTest): def setUp(self) -> None: if not os.path.exists(DEVICE_NODE): self.skipTest("system is unsupported") + if not ioctl: + self.skipTest("unable to test IOCTLs without ioctl_opt") + return super().setUp() def test_invalid_nonce_ioctl(self) -> None: """tries to call get_nonce ioctl with invalid data structures""" # 0x1 (get nonce), and invalid data - INVALID1 = IOWR(ord("D"), 0x01, invalid_param) + INVALID1 = ioctl.IOWR(ord("D"), 0x01, invalid_param) with self.assertRaises(OSError) as error: fcntl.ioctl(self.d, INVALID1, self.data, True) self.assertEqual(error.exception.errno, 22) @@ -79,7 +88,7 @@ class TestInvalidIoctls(DynamicBoostControlTest): """tries to call set_uid ioctl with invalid data structures""" # 0x2 (set uid), and invalid data - INVALID2 = IOW(ord("D"), 0x02, invalid_param) + INVALID2 = ioctl.IOW(ord("D"), 0x02, invalid_param) with self.assertRaises(OSError) as error: fcntl.ioctl(self.d, INVALID2, self.data, True) self.assertEqual(error.exception.errno, 22) @@ -88,7 +97,7 @@ class TestInvalidIoctls(DynamicBoostControlTest): """tries to call set_uid ioctl with invalid data structures""" # 0x2 as RW (set uid), and invalid data - INVALID3 = IOWR(ord("D"), 0x02, invalid_param) + INVALID3 = ioctl.IOWR(ord("D"), 0x02, invalid_param) with self.assertRaises(OSError) as error: fcntl.ioctl(self.d, INVALID3, self.data, True) self.assertEqual(error.exception.errno, 22) @@ -96,7 +105,7 @@ class TestInvalidIoctls(DynamicBoostControlTest): def test_invalid_param_ioctl(self) -> None: """tries to call param ioctl with invalid data structures""" # 0x3 (param), and invalid data - INVALID4 = IOWR(ord("D"), 0x03, invalid_param) + INVALID4 = ioctl.IOWR(ord("D"), 0x03, invalid_param) with self.assertRaises(OSError) as error: fcntl.ioctl(self.d, INVALID4, self.data, True) self.assertEqual(error.exception.errno, 22) @@ -104,7 +113,7 @@ class TestInvalidIoctls(DynamicBoostControlTest): def test_invalid_call_ioctl(self) -> None: """tries to call the DBC ioctl with invalid data structures""" # 0x4, and invalid data - INVALID5 = IOWR(ord("D"), 0x04, invalid_param) + INVALID5 = ioctl.IOWR(ord("D"), 0x04, invalid_param) with self.assertRaises(OSError) as error: fcntl.ioctl(self.d, INVALID5, self.data, True) self.assertEqual(error.exception.errno, 22) -- 2.25.1

1 0

[PATCH OLK-6.6 337/602] crypto: ccp - Get a free page to use while fetching initial nonce
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Mario Limonciello <mario.limonciello(a)amd.com> stable inclusion from stable-v6.6.2 commit 4c2c057d771c956c6a4504a46ed416725bbe50ee category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 53f7f779f45cbe1771bc4ae05f0320e204a18611 ] dbc_dev_init() gets a free page from `GFP_KERNEL`, but if that page has any data in it the first nonce request will fail. This prevents dynamic boost control from probing. To fix this, explicitly request a zeroed page with `__GFP_ZERO` to ensure first nonce fetch works. Fixes: c04cf9e14f10 ("crypto: ccp - Add support for fetching a nonce for dynamic boost control") Signed-off-by: Mario Limonciello <mario.limonciello(a)amd.com> Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- drivers/crypto/ccp/dbc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/ccp/dbc.c b/drivers/crypto/ccp/dbc.c index 839ea14b9a85..6f33149ef80d 100644 --- a/drivers/crypto/ccp/dbc.c +++ b/drivers/crypto/ccp/dbc.c @@ -205,7 +205,7 @@ int dbc_dev_init(struct psp_device *psp) return -ENOMEM; BUILD_BUG_ON(sizeof(union dbc_buffer) > PAGE_SIZE); - dbc_dev->mbox = (void *)devm_get_free_pages(dev, GFP_KERNEL, 0); + dbc_dev->mbox = (void *)devm_get_free_pages(dev, GFP_KERNEL | __GFP_ZERO, 0); if (!dbc_dev->mbox) { ret = -ENOMEM; goto cleanup_dev; -- 2.25.1

1 0

[PATCH OLK-6.6 336/602] KEYS: Include linux/errno.h in linux/verification.h
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Herbert Xu <herbert(a)gondor.apana.org.au> stable inclusion from stable-v6.6.2 commit 93a2477b87e1949e271ffa91d6cc316498ac40e1 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 0a596b0682a7ce37e26c36629816f105c6459d06 ] Add inclusion of linux/errno.h as otherwise the reference to EINVAL may be invalid. Fixes: f3cf4134c5c6 ("bpf: Add bpf_lookup_*_key() and bpf_key_put() kfuncs") Reported-by: kernel test robot <lkp(a)intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202308261414.HKw1Mrip-lkp@intel.com/ Signed-off-by: Herbert Xu <herbert(a)gondor.apana.org.au> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- include/linux/verification.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/verification.h b/include/linux/verification.h index f34e50ebcf60..cb2d47f28091 100644 --- a/include/linux/verification.h +++ b/include/linux/verification.h @@ -8,6 +8,7 @@ #ifndef _LINUX_VERIFICATION_H #define _LINUX_VERIFICATION_H +#include <linux/errno.h> #include <linux/types.h> /* -- 2.25.1

1 0

[PATCH OLK-6.6 335/602] ALSA: hda: cs35l41: Undo runtime PM changes at driver exit time
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> stable inclusion from stable-v6.6.2 commit e7ba68a6db8afb3f5a78ab83f73b12c8b64bd306 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 85a1bf86fac0c195929768b4e92c78cad107523b ] According to the documentation, drivers are responsible for undoing at removal time all runtime PM changes done during probing. Hence, add the missing calls to pm_runtime_dont_use_autosuspend(), which are necessary for undoing pm_runtime_use_autosuspend(). Fixes: 1873ebd30cc8 ("ALSA: hda: cs35l41: Support Hibernation during Suspend") Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> Reviewed-by: Takashi Iwai <tiwai(a)suse.de> Link: https://lore.kernel.org/r/20230907171010.1447274-11-cristian.ciocaltea@coll… Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- sound/pci/hda/cs35l41_hda.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index ebf9ddbb2605..3c157b006a5a 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -1676,6 +1676,7 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i return 0; err_pm: + pm_runtime_dont_use_autosuspend(cs35l41->dev); pm_runtime_disable(cs35l41->dev); pm_runtime_put_noidle(cs35l41->dev); @@ -1694,6 +1695,7 @@ void cs35l41_hda_remove(struct device *dev) struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); pm_runtime_get_sync(cs35l41->dev); + pm_runtime_dont_use_autosuspend(cs35l41->dev); pm_runtime_disable(cs35l41->dev); if (cs35l41->halo_initialized) -- 2.25.1

1 0

[PATCH OLK-6.6 334/602] ALSA: hda: cs35l41: Fix unbalanced pm_runtime_get()
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> stable inclusion from stable-v6.6.2 commit d3af600c72529a39f98c61585ab58e06affbf44a category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 486465508f8a5fe441939a7d97607f4460a60891 ] If component_add() fails, probe() returns without calling pm_runtime_put(), which leaves the runtime PM usage counter incremented. Fix the issue by jumping to err_pm label and drop the now unnecessary pm_runtime_disable() call. Fixes: 7b2f3eb492da ("ALSA: hda: cs35l41: Add support for CS35L41 in HDA systems") Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> Reviewed-by: Takashi Iwai <tiwai(a)suse.de> Link: https://lore.kernel.org/r/20230907171010.1447274-10-cristian.ciocaltea@coll… Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- sound/pci/hda/cs35l41_hda.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 055ebfc23735..ebf9ddbb2605 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -1668,8 +1668,7 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i ret = component_add(cs35l41->dev, &cs35l41_hda_comp_ops); if (ret) { dev_err(cs35l41->dev, "Register component failed: %d\n", ret); - pm_runtime_disable(cs35l41->dev); - goto err; + goto err_pm; } dev_info(cs35l41->dev, "Cirrus Logic CS35L41 (%x), Revision: %02X\n", regid, reg_revid); -- 2.25.1

1 0

[PATCH OLK-6.6 333/602] ASoC: cs35l41: Undo runtime PM changes at driver exit time
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> stable inclusion from stable-v6.6.2 commit 82236047df77172009176661be0d9c527505b8fe category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 2d5661e6008ae1a1cd6df7cc844908fb8b982c58 ] According to the documentation, drivers are responsible for undoing at removal time all runtime PM changes done during probing. Hence, add the missing calls to pm_runtime_dont_use_autosuspend(), which are necessary for undoing pm_runtime_use_autosuspend(). Note this would have been handled implicitly by devm_pm_runtime_enable(), but there is a need to continue using pm_runtime_enable()/pm_runtime_disable() in order to ensure the runtime PM is disabled as soon as the remove() callback is entered. Fixes: f517ba4924ad ("ASoC: cs35l41: Add support for hibernate memory retention mode") Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> Reviewed-by: Takashi Iwai <tiwai(a)suse.de> Link: https://lore.kernel.org/r/20230907171010.1447274-7-cristian.ciocaltea@colla… Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- sound/soc/codecs/cs35l41.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index a31cb9ba7f7d..5456e6bfa242 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -1334,6 +1334,7 @@ int cs35l41_probe(struct cs35l41_private *cs35l41, const struct cs35l41_hw_cfg * return 0; err_pm: + pm_runtime_dont_use_autosuspend(cs35l41->dev); pm_runtime_disable(cs35l41->dev); pm_runtime_put_noidle(cs35l41->dev); @@ -1350,6 +1351,7 @@ EXPORT_SYMBOL_GPL(cs35l41_probe); void cs35l41_remove(struct cs35l41_private *cs35l41) { pm_runtime_get_sync(cs35l41->dev); + pm_runtime_dont_use_autosuspend(cs35l41->dev); pm_runtime_disable(cs35l41->dev); regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1, 0xFFFFFFFF); -- 2.25.1

1 0

[PATCH OLK-6.6 332/602] ASoC: cs35l41: Verify PM runtime resume errors in IRQ handler
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> stable inclusion from stable-v6.6.2 commit 11372a1a13345765821ec2f90fadcde58e35403b category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 9f8948db9849d202dee3570507d3a0642f92d632 ] The interrupt handler invokes pm_runtime_get_sync() without checking the returned error code. Add a proper verification and switch to pm_runtime_resume_and_get(), to avoid the need to call pm_runtime_put_noidle() for decrementing the PM usage counter before returning from the error condition. Fixes: f517ba4924ad ("ASoC: cs35l41: Add support for hibernate memory retention mode") Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> Acked-by: Charles Keepax <ckeepax(a)opensource.cirrus.com> Reviewed-by: Takashi Iwai <tiwai(a)suse.de> Link: https://lore.kernel.org/r/20230907171010.1447274-6-cristian.ciocaltea@colla… Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- sound/soc/codecs/cs35l41.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index 12327b4c3d56..a31cb9ba7f7d 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -386,10 +386,18 @@ static irqreturn_t cs35l41_irq(int irq, void *data) struct cs35l41_private *cs35l41 = data; unsigned int status[4] = { 0, 0, 0, 0 }; unsigned int masks[4] = { 0, 0, 0, 0 }; - int ret = IRQ_NONE; unsigned int i; + int ret; - pm_runtime_get_sync(cs35l41->dev); + ret = pm_runtime_resume_and_get(cs35l41->dev); + if (ret < 0) { + dev_err(cs35l41->dev, + "pm_runtime_resume_and_get failed in %s: %d\n", + __func__, ret); + return IRQ_NONE; + } + + ret = IRQ_NONE; for (i = 0; i < ARRAY_SIZE(status); i++) { regmap_read(cs35l41->regmap, -- 2.25.1

1 0

[PATCH OLK-6.6 331/602] ASoC: cs35l41: Fix broken shared boost activation
by pkwarcraft＠hotmail.com 05 Dec '23

05 Dec '23

From: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> stable inclusion from stable-v6.6.2 commit 507032d6abc5ba93d5886406171ee8ea29ee3e6c category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8IW7G Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 77bf613f0bf08c021309cdb5f84b5f630b829261 ] Enabling the active/passive shared boosts requires setting SYNC_EN, but *not* before receiving the PLL Lock signal. Due to improper error handling, it was not obvious that waiting for the completion operation times out and, consequently, the shared boost is never activated. Further investigations revealed the signal is triggered while snd_pcm_start() is executed, right after receiving the SNDRV_PCM_TRIGGER_START command, which happens long after the SND_SOC_DAPM_PRE_PMU event handler is invoked as part of snd_pcm_prepare(). That is where cs35l41_global_enable() is called from. Increasing the wait duration doesn't help, as it only causes an unnecessary delay in the invocation of snd_pcm_start(). Moving the wait and the subsequent regmap operations to the SNDRV_PCM_TRIGGER_START callback is not a solution either, since they would be executed in an IRQ-off atomic context. Solve the issue by setting the SYNC_EN bit in PWR_CTRL3 register right after receiving the PLL Lock interrupt. Additionally, drop the unnecessary writes to PWR_CTRL1 register, part of the original mdsync_up_seq, which would have toggled GLOBAL_EN with unwanted consequences on PLL locking behavior. Fixes: f5030564938b ("ALSA: cs35l41: Add shared boost feature") Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea(a)collabora.com> Reviewed-by: David Rhodes <david.rhodes(a)cirrus.com> Reviewed-by: Takashi Iwai <tiwai(a)suse.de> Link: https://lore.kernel.org/r/20230907171010.1447274-5-cristian.ciocaltea@colla… Signed-off-by: Mark Brown <broonie(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Zheng Zengkai <zhengzengkai(a)huawei.com> --- include/sound/cs35l41.h | 4 +-- sound/pci/hda/cs35l41_hda.c | 4 +-- sound/soc/codecs/cs35l41-lib.c | 61 ++++++++++++++++++++-------------- sound/soc/codecs/cs35l41.c | 24 ++++++++----- sound/soc/codecs/cs35l41.h | 1 - 5 files changed, 55 insertions(+), 39 deletions(-) diff --git a/include/sound/cs35l41.h b/include/sound/cs35l41.h index 1bf757901d02..2fe8c6b0d4cf 100644 --- a/include/sound/cs35l41.h +++ b/include/sound/cs35l41.h @@ -11,7 +11,6 @@ #define __CS35L41_H #include <linux/regmap.h> -#include <linux/completion.h> #include <linux/firmware/cirrus/cs_dsp.h> #define CS35L41_FIRSTREG 0x00000000 @@ -902,7 +901,8 @@ int cs35l41_exit_hibernate(struct device *dev, struct regmap *regmap); int cs35l41_init_boost(struct device *dev, struct regmap *regmap, struct cs35l41_hw_cfg *hw_cfg); bool cs35l41_safe_reset(struct regmap *regmap, enum cs35l41_boost_type b_type); +int cs35l41_mdsync_up(struct regmap *regmap); int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l41_boost_type b_type, - int enable, struct completion *pll_lock, bool firmware_running); + int enable, bool firmware_running); #endif /* __CS35L41_H */ diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index c6031f744099..055ebfc23735 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -570,7 +570,7 @@ static void cs35l41_hda_play_done(struct device *dev) dev_dbg(dev, "Play (Complete)\n"); - cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 1, NULL, + cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 1, cs35l41->firmware_running); if (cs35l41->firmware_running) { regmap_multi_reg_write(reg, cs35l41_hda_unmute_dsp, @@ -589,7 +589,7 @@ static void cs35l41_hda_pause_start(struct device *dev) dev_dbg(dev, "Pause (Start)\n"); regmap_multi_reg_write(reg, cs35l41_hda_mute, ARRAY_SIZE(cs35l41_hda_mute)); - cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 0, NULL, + cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 0, cs35l41->firmware_running); } diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c index a6c6bb23b957..2ec5fdc875b1 100644 --- a/sound/soc/codecs/cs35l41-lib.c +++ b/sound/soc/codecs/cs35l41-lib.c @@ -1192,8 +1192,28 @@ bool cs35l41_safe_reset(struct regmap *regmap, enum cs35l41_boost_type b_type) } EXPORT_SYMBOL_GPL(cs35l41_safe_reset); +/* + * Enabling the CS35L41_SHD_BOOST_ACTV and CS35L41_SHD_BOOST_PASS shared boosts + * does also require a call to cs35l41_mdsync_up(), but not before getting the + * PLL Lock signal. + * + * PLL Lock seems to be triggered soon after snd_pcm_start() is executed and + * SNDRV_PCM_TRIGGER_START command is processed, which happens (long) after the + * SND_SOC_DAPM_PRE_PMU event handler is invoked as part of snd_pcm_prepare(). + * + * This event handler is where cs35l41_global_enable() is normally called from, + * but waiting for PLL Lock here will time out. Increasing the wait duration + * will not help, as the only consequence of it would be to add an unnecessary + * delay in the invocation of snd_pcm_start(). + * + * Trying to move the wait in the SNDRV_PCM_TRIGGER_START callback is not a + * solution either, as the trigger is executed in an IRQ-off atomic context. + * + * The current approach is to invoke cs35l41_mdsync_up() right after receiving + * the PLL Lock interrupt, in the IRQ handler. + */ int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l41_boost_type b_type, - int enable, struct completion *pll_lock, bool firmware_running) + int enable, bool firmware_running) { int ret; unsigned int gpio1_func, pad_control, pwr_ctrl1, pwr_ctrl3, int_status, pup_pdn_mask; @@ -1203,11 +1223,6 @@ int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l4 {CS35L41_GPIO_PAD_CONTROL, 0}, {CS35L41_PWR_CTRL1, 0, 3000}, }; - struct reg_sequence cs35l41_mdsync_up_seq[] = { - {CS35L41_PWR_CTRL3, 0}, - {CS35L41_PWR_CTRL1, 0x00000000, 3000}, - {CS35L41_PWR_CTRL1, 0x00000001, 3000}, - }; pup_pdn_mask = enable ? CS35L41_PUP_DONE_MASK : CS35L41_PDN_DONE_MASK; @@ -1241,26 +1256,11 @@ int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l4 cs35l41_mdsync_down_seq[0].def = pwr_ctrl3; cs35l41_mdsync_down_seq[1].def = pad_control; cs35l41_mdsync_down_seq[2].def = pwr_ctrl1; + ret = regmap_multi_reg_write(regmap, cs35l41_mdsync_down_seq, ARRAY_SIZE(cs35l41_mdsync_down_seq)); - if (ret || !enable) - break; - - if (!pll_lock) - return -EINVAL; - - ret = wait_for_completion_timeout(pll_lock, msecs_to_jiffies(1000)); - if (ret == 0) { - dev_err(dev, "Timed out waiting for pll_lock\n"); - return -ETIMEDOUT; - } - - regmap_read(regmap, CS35L41_PWR_CTRL3, &pwr_ctrl3); - pwr_ctrl3 |= CS35L41_SYNC_EN_MASK; - cs35l41_mdsync_up_seq[0].def = pwr_ctrl3; - ret = regmap_multi_reg_write(regmap, cs35l41_mdsync_up_seq, - ARRAY_SIZE(cs35l41_mdsync_up_seq)); - if (ret) + /* Activation to be completed later via cs35l41_mdsync_up() */ + if (ret || enable) return ret; ret = regmap_read_poll_timeout(regmap, CS35L41_IRQ1_STATUS1, @@ -1269,7 +1269,7 @@ int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l4 if (ret) dev_err(dev, "Enable(%d) failed: %d\n", enable, ret); - // Clear PUP/PDN status + /* Clear PUP/PDN status */ regmap_write(regmap, CS35L41_IRQ1_STATUS1, pup_pdn_mask); break; case CS35L41_INT_BOOST: @@ -1351,6 +1351,17 @@ int cs35l41_global_enable(struct device *dev, struct regmap *regmap, enum cs35l4 } EXPORT_SYMBOL_GPL(cs35l41_global_enable); +/* + * To be called after receiving the IRQ Lock interrupt, in order to complete + * any shared boost activation initiated by cs35l41_global_enable(). + */ +int cs35l41_mdsync_up(struct regmap *regmap) +{ + return regmap_update_bits(regmap, CS35L41_PWR_CTRL3, + CS35L41_SYNC_EN_MASK, CS35L41_SYNC_EN_MASK); +} +EXPORT_SYMBOL_GPL(cs35l41_mdsync_up); + int cs35l41_gpio_config(struct regmap *regmap, struct cs35l41_hw_cfg *hw_cfg) { struct cs35l41_gpio_cfg *gpio1 = &hw_cfg->gpio1; diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index fe5376b3e01b..12327b4c3d56 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -459,7 +459,19 @@ static irqreturn_t cs35l41_irq(int irq, void *data) if (status[2] & CS35L41_PLL_LOCK) { regmap_write(cs35l41->regmap, CS35L41_IRQ1_STATUS3, CS35L41_PLL_LOCK); - complete(&cs35l41->pll_lock); + + if (cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_ACTV || + cs35l41->hw_cfg.bst_type == CS35L41_SHD_BOOST_PASS) { + ret = cs35l41_mdsync_up(cs35l41->regmap); + if (ret) + dev_err(cs35l41->dev, "MDSYNC-up failed: %d\n", ret); + else + dev_dbg(cs35l41->dev, "MDSYNC-up done\n"); + + dev_dbg(cs35l41->dev, "PUP-done status: %d\n", + !!(status[0] & CS35L41_PUP_DONE_MASK)); + } + ret = IRQ_HANDLED; } @@ -500,11 +512,11 @@ static int cs35l41_main_amp_event(struct snd_soc_dapm_widget *w, ARRAY_SIZE(cs35l41_pup_patch)); ret = cs35l41_global_enable(cs35l41->dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type, - 1, &cs35l41->pll_lock, cs35l41->dsp.cs_dsp.running); + 1, cs35l41->dsp.cs_dsp.running); break; case SND_SOC_DAPM_POST_PMD: ret = cs35l41_global_enable(cs35l41->dev, cs35l41->regmap, cs35l41->hw_cfg.bst_type, - 0, &cs35l41->pll_lock, cs35l41->dsp.cs_dsp.running); + 0, cs35l41->dsp.cs_dsp.running); regmap_multi_reg_write_bypassed(cs35l41->regmap, cs35l41_pdn_patch, @@ -802,10 +814,6 @@ static const struct snd_pcm_hw_constraint_list cs35l41_constraints = { static int cs35l41_pcm_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(dai->component); - - reinit_completion(&cs35l41->pll_lock); - if (substream->runtime) return snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, @@ -1273,8 +1281,6 @@ int cs35l41_probe(struct cs35l41_private *cs35l41, const struct cs35l41_hw_cfg * regmap_update_bits(cs35l41->regmap, CS35L41_IRQ1_MASK3, CS35L41_INT3_PLL_LOCK_MASK, 0 << CS35L41_INT3_PLL_LOCK_SHIFT); - init_completion(&cs35l41->pll_lock); - ret = devm_request_threaded_irq(cs35l41->dev, cs35l41->irq, NULL, cs35l41_irq, IRQF_ONESHOT | IRQF_SHARED | irq_pol, "cs35l41", cs35l41); diff --git a/sound/soc/codecs/cs35l41.h b/sound/soc/codecs/cs35l41.h index 34d967d4372b..c85cbc1dd333 100644 --- a/sound/soc/codecs/cs35l41.h +++ b/sound/soc/codecs/cs35l41.h @@ -33,7 +33,6 @@ struct cs35l41_private { int irq; /* GPIO for /RST */ struct gpio_desc *reset_gpio; - struct completion pll_lock; }; int cs35l41_probe(struct cs35l41_private *cs35l41, const struct cs35l41_hw_cfg *hw_cfg); -- 2.25.1

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