August 2018 - Linux-stable-mirror

[PATCH] ALSA: hda: Correct Asrock B85M-ITX power_save blacklist entry

by Hans de Goede

I added the subsys product-id for the HDMI HDA device rather then for the PCH one, this commit fixes this. BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1525104 Cc: stable(a)vger.kernel.org Signed-off-by: Hans de Goede <hdegoede(a)redhat.com> --- sound/pci/hda/hda_intel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 1ae1850b3bfd..647ae1a71e10 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -2207,7 +2207,7 @@ static int azx_probe(struct pci_dev *pci, */ static struct snd_pci_quirk power_save_blacklist[] = { /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ - SND_PCI_QUIRK(0x1849, 0x0c0c, "Asrock B85M-ITX", 0), + SND_PCI_QUIRK(0x1849, 0xc892, "Asrock B85M-ITX", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ SND_PCI_QUIRK(0x1849, 0x7662, "Asrock H81M-HDS", 0), /* https://bugzilla.redhat.com/show_bug.cgi?id=1525104 */ -- 2.18.0

5 years, 9 months

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your photos need edit

by Sam

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5 years, 9 months

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by vip

5 years, 9 months

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patch "serial: 8250_exar: Read INT0 from slave device, too" added to tty-next

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled serial: 8250_exar: Read INT0 from slave device, too to my tty git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git in the tty-next branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will also be merged in the next major kernel release during the merge window. If you have any questions about this process, please let me know. >From 60ab0fafc4b652fcaf7cbc3bb8555a0cf1149c28 Mon Sep 17 00:00:00 2001 From: Aaron Sierra <asierra(a)xes-inc.com> Date: Tue, 24 Jul 2018 14:23:46 -0500 Subject: serial: 8250_exar: Read INT0 from slave device, too The sleep wake-up refactoring that I introduced in commit c7e1b4059075 ("tty: serial: exar: Relocate sleep wake-up handling") did not account for devices with a slave device on the expansion port. This patch pokes the INT0 register in the slave device, if present, in order to ensure that MSI interrupts don't get permanently "stuck" because of a sleep wake-up interrupt as described here: commit 2c0ac5b48a35 ("serial: exar: Fix stuck MSIs") This also converts an ioread8() to readb() in order to provide visual consistency with the MMIO-only accessors used elsewhere in the driver. Reported-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Aaron Sierra <asierra(a)xes-inc.com> Fixes: c7e1b4059075 ("tty: serial: exar: Relocate sleep wake-up handling") Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Cc: stable <stable(a)vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/tty/serial/8250/8250_exar.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 7a98acd5e171..0089aa305ef9 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -445,7 +445,11 @@ static irqreturn_t exar_misc_handler(int irq, void *data) struct exar8250 *priv = data; /* Clear all PCI interrupts by reading INT0. No effect on IIR */ - ioread8(priv->virt + UART_EXAR_INT0); + readb(priv->virt + UART_EXAR_INT0); + + /* Clear INT0 for Expansion Interface slave ports, too */ + if (priv->board->num_ports > 8) + readb(priv->virt + 0x2000 + UART_EXAR_INT0); return IRQ_HANDLED; } -- 2.18.0

5 years, 9 months

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patch "serial: 8250_dw: Add ACPI support for uart on Broadcom SoC" added to tty-next

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled serial: 8250_dw: Add ACPI support for uart on Broadcom SoC to my tty git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git in the tty-next branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will also be merged in the next major kernel release during the merge window. If you have any questions about this process, please let me know. >From 784c29eda5b4e28c3a56aa90b3815f9a1b0cfdc1 Mon Sep 17 00:00:00 2001 From: Srinath Mannam <srinath.mannam(a)broadcom.com> Date: Sat, 28 Jul 2018 20:55:15 +0530 Subject: serial: 8250_dw: Add ACPI support for uart on Broadcom SoC Add ACPI identifier HID for UART DW 8250 on Broadcom SoCs to match the HID passed through ACPI tables to enable UART controller. Signed-off-by: Srinath Mannam <srinath.mannam(a)broadcom.com> Reviewed-by: Vladimir Olovyannikov <vladimir.olovyannikov(a)broadcom.com> Tested-by: Vladimir Olovyannikov <vladimir.olovyannikov(a)broadcom.com> Reviewed-by: Ray Jui <ray.jui(a)broadcom.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Cc: stable <stable(a)vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/tty/serial/8250/8250_dw.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 27b7ecc3b59b..fa8dcb470640 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -762,6 +762,7 @@ static const struct acpi_device_id dw8250_acpi_match[] = { { "APMC0D08", 0}, { "AMD0020", 0 }, { "AMDI0020", 0 }, + { "BRCM2032", 0 }, { "HISI0031", 0 }, { }, }; -- 2.18.0

5 years, 9 months

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patch "serial: 8250_dw: always set baud rate in dw8250_set_termios" added to tty-next

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled serial: 8250_dw: always set baud rate in dw8250_set_termios to my tty git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git in the tty-next branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will also be merged in the next major kernel release during the merge window. If you have any questions about this process, please let me know. >From dfcab6ba573445c703235ab6c83758eec12d7f28 Mon Sep 17 00:00:00 2001 From: Chen Hu <hu1.chen(a)intel.com> Date: Fri, 27 Jul 2018 18:32:41 +0800 Subject: serial: 8250_dw: always set baud rate in dw8250_set_termios dw8250_set_termios() doesn't set baud rate if the arg "old ktermios" is NULL. This happens during resume. Call Trace: ... [ 54.928108] dw8250_set_termios+0x162/0x170 [ 54.928114] serial8250_set_termios+0x17/0x20 [ 54.928117] uart_change_speed+0x64/0x160 [ 54.928119] uart_resume_port ... So the baud rate is not restored after S3 and breaks the apps who use UART, for example, console and bluetooth etc. We address this issue by setting the baud rate irrespective of arg "old", just like the drivers for other 8250 IPs. This is tested with Intel Broxton platform. Signed-off-by: Chen Hu <hu1.chen(a)intel.com> Fixes: 4e26b134bd17 ("serial: 8250_dw: clock rate handling for all ACPI platforms") Cc: Heikki Krogerus <heikki.krogerus(a)linux.intel.com> Cc: stable <stable(a)vger.kernel.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/tty/serial/8250/8250_dw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index b4e6f31936f5..27b7ecc3b59b 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -310,7 +310,7 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios, long rate; int ret; - if (IS_ERR(d->clk) || !old) + if (IS_ERR(d->clk)) goto out; clk_disable_unprepare(d->clk); -- 2.18.0

5 years, 9 months

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patch "USB: serial: pl2303: add a new device id for ATEN" added to usb-next

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled USB: serial: pl2303: add a new device id for ATEN to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-next branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will also be merged in the next major kernel release during the merge window. If you have any questions about this process, please let me know. >From 29c692c96b3a39cd1911fb79cd2505af8d070f07 Mon Sep 17 00:00:00 2001 From: Movie Song <MovieSong(a)aten-itlab.cn> Date: Thu, 19 Jul 2018 02:20:48 +0800 Subject: USB: serial: pl2303: add a new device id for ATEN Signed-off-by: Movie Song <MovieSong(a)aten-itlab.cn> Cc: Johan Hovold <johan(a)kernel.org> Cc: stable <stable(a)vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/usb/serial/pl2303.c | 2 ++ drivers/usb/serial/pl2303.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 5d1a1931967e..e41f725ac7aa 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -52,6 +52,8 @@ static const struct usb_device_id id_table[] = { .driver_info = PL2303_QUIRK_ENDPOINT_HACK }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_UC485), .driver_info = PL2303_QUIRK_ENDPOINT_HACK }, + { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_UC232B), + .driver_info = PL2303_QUIRK_ENDPOINT_HACK }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID2) }, { USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) }, { USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) }, diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index fcd72396a7b6..26965cc23c17 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -24,6 +24,7 @@ #define ATEN_VENDOR_ID2 0x0547 #define ATEN_PRODUCT_ID 0x2008 #define ATEN_PRODUCT_UC485 0x2021 +#define ATEN_PRODUCT_UC232B 0x2022 #define ATEN_PRODUCT_ID2 0x2118 #define IODATA_VENDOR_ID 0x04bb -- 2.18.0

5 years, 9 months

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patch "USB: serial: pl2303: add a new device id for ATEN" added to usb-testing

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled USB: serial: pl2303: add a new device id for ATEN to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-testing branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will be merged to the usb-next branch sometime soon, after it passes testing, and the merge window is open. If you have any questions about this process, please let me know. >From 29c692c96b3a39cd1911fb79cd2505af8d070f07 Mon Sep 17 00:00:00 2001 From: Movie Song <MovieSong(a)aten-itlab.cn> Date: Thu, 19 Jul 2018 02:20:48 +0800 Subject: USB: serial: pl2303: add a new device id for ATEN Signed-off-by: Movie Song <MovieSong(a)aten-itlab.cn> Cc: Johan Hovold <johan(a)kernel.org> Cc: stable <stable(a)vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/usb/serial/pl2303.c | 2 ++ drivers/usb/serial/pl2303.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 5d1a1931967e..e41f725ac7aa 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -52,6 +52,8 @@ static const struct usb_device_id id_table[] = { .driver_info = PL2303_QUIRK_ENDPOINT_HACK }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_UC485), .driver_info = PL2303_QUIRK_ENDPOINT_HACK }, + { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_UC232B), + .driver_info = PL2303_QUIRK_ENDPOINT_HACK }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID2) }, { USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) }, { USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) }, diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index fcd72396a7b6..26965cc23c17 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -24,6 +24,7 @@ #define ATEN_VENDOR_ID2 0x0547 #define ATEN_PRODUCT_ID 0x2008 #define ATEN_PRODUCT_UC485 0x2021 +#define ATEN_PRODUCT_UC232B 0x2022 #define ATEN_PRODUCT_ID2 0x2118 #define IODATA_VENDOR_ID 0x04bb -- 2.18.0

5 years, 9 months

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[PATCH 1/2] sysfs: Introduce sysfs_{un,}break_active_protection()

by Bart Van Assche

Introduce these two functions and export them such that the next patch can add calls to these functions from the SCSI core. Signed-off-by: Bart Van Assche <bart.vanassche(a)wdc.com> Cc: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Cc: Tejun Heo <tj(a)kernel.org> Cc: <stable(a)vger.kernel.org> --- fs/sysfs/file.c | 44 +++++++++++++++++++++++++++++++++++++++++++ include/linux/sysfs.h | 14 ++++++++++++++ 2 files changed, 58 insertions(+) diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index 5c13f29bfcdb..118fa197a35f 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -405,6 +405,50 @@ int sysfs_chmod_file(struct kobject *kobj, const struct attribute *attr, } EXPORT_SYMBOL_GPL(sysfs_chmod_file); +/** + * sysfs_break_active_protection - break "active" protection + * @kobj: The kernel object @attr is associated with. + * @attr: The attribute to break the "active" protection for. + * + * With sysfs, just like kernfs, deletion of an attribute is postponed until + * all active .show() and .store() callbacks have finished unless this function + * is called. Hence this function is useful in methods that implement self + * deletion. + */ +struct kernfs_node *sysfs_break_active_protection(struct kobject *kobj, + const struct attribute *attr) +{ + struct kernfs_node *kn; + + kobject_get(kobj); + kn = kernfs_find_and_get(kobj->sd, attr->name); + if (kn) + kernfs_break_active_protection(kn); + return kn; +} +EXPORT_SYMBOL_GPL(sysfs_break_active_protection); + +/** + * sysfs_unbreak_active_protection - restore "active" protection + * @kn: Pointer returned by sysfs_break_active_protection(). + * + * Undo the effects of sysfs_break_active_protection(). Since this function + * calls kernfs_put() on the kernfs node that corresponds to the 'attr' + * argument passed to sysfs_break_active_protection() that attribute may have + * been removed between the sysfs_break_active_protection() and + * sysfs_unbreak_active_protection() calls, it is not safe to access @kn after + * this function has returned. + */ +void sysfs_unbreak_active_protection(struct kernfs_node *kn) +{ + struct kobject *kobj = kn->parent->priv; + + kernfs_unbreak_active_protection(kn); + kernfs_put(kn); + kobject_put(kobj); +} +EXPORT_SYMBOL_GPL(sysfs_unbreak_active_protection); + /** * sysfs_remove_file_ns - remove an object attribute with a custom ns tag * @kobj: object we're acting for diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index b8bfdc173ec0..3c12198c0103 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -237,6 +237,9 @@ int __must_check sysfs_create_files(struct kobject *kobj, const struct attribute **attr); int __must_check sysfs_chmod_file(struct kobject *kobj, const struct attribute *attr, umode_t mode); +struct kernfs_node *sysfs_break_active_protection(struct kobject *kobj, + const struct attribute *attr); +void sysfs_unbreak_active_protection(struct kernfs_node *kn); void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr, const void *ns); bool sysfs_remove_file_self(struct kobject *kobj, const struct attribute *attr); @@ -350,6 +353,17 @@ static inline int sysfs_chmod_file(struct kobject *kobj, return 0; } +static inline struct kernfs_node * +sysfs_break_active_protection(struct kobject *kobj, + const struct attribute *attr) +{ + return NULL; +} + +static inline void sysfs_unbreak_active_protection(struct kernfs_node *kn) +{ +} + static inline void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr, const void *ns) -- 2.18.0

5 years, 9 months

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patch "serial: 8250_exar: Read INT0 from slave device, too" added to tty-testing

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled serial: 8250_exar: Read INT0 from slave device, too to my tty git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git in the tty-testing branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will be merged to the tty-next branch sometime soon, after it passes testing, and the merge window is open. If you have any questions about this process, please let me know. >From 60ab0fafc4b652fcaf7cbc3bb8555a0cf1149c28 Mon Sep 17 00:00:00 2001 From: Aaron Sierra <asierra(a)xes-inc.com> Date: Tue, 24 Jul 2018 14:23:46 -0500 Subject: serial: 8250_exar: Read INT0 from slave device, too The sleep wake-up refactoring that I introduced in commit c7e1b4059075 ("tty: serial: exar: Relocate sleep wake-up handling") did not account for devices with a slave device on the expansion port. This patch pokes the INT0 register in the slave device, if present, in order to ensure that MSI interrupts don't get permanently "stuck" because of a sleep wake-up interrupt as described here: commit 2c0ac5b48a35 ("serial: exar: Fix stuck MSIs") This also converts an ioread8() to readb() in order to provide visual consistency with the MMIO-only accessors used elsewhere in the driver. Reported-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Signed-off-by: Aaron Sierra <asierra(a)xes-inc.com> Fixes: c7e1b4059075 ("tty: serial: exar: Relocate sleep wake-up handling") Reviewed-by: Andy Shevchenko <andriy.shevchenko(a)linux.intel.com> Cc: stable <stable(a)vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/tty/serial/8250/8250_exar.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 7a98acd5e171..0089aa305ef9 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -445,7 +445,11 @@ static irqreturn_t exar_misc_handler(int irq, void *data) struct exar8250 *priv = data; /* Clear all PCI interrupts by reading INT0. No effect on IIR */ - ioread8(priv->virt + UART_EXAR_INT0); + readb(priv->virt + UART_EXAR_INT0); + + /* Clear INT0 for Expansion Interface slave ports, too */ + if (priv->board->num_ports > 8) + readb(priv->virt + 0x2000 + UART_EXAR_INT0); return IRQ_HANDLED; } -- 2.18.0

5 years, 9 months

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Linux-stable-mirror August 2018