diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19')
6 files changed, 6 insertions, 116 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0040-Add-dwc_otg-driver.patch b/target/linux/brcm2708/patches-4.19/950-0040-Add-dwc_otg-driver.patch index d5d9867d90..fe8f9fb66b 100644 --- a/target/linux/brcm2708/patches-4.19/950-0040-Add-dwc_otg-driver.patch +++ b/target/linux/brcm2708/patches-4.19/950-0040-Add-dwc_otg-driver.patch @@ -917,7 +917,7 @@ Fixes https://github.com/raspberrypi/linux/issues/2408 } --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c -@@ -5214,7 +5214,7 @@ static void port_event(struct usb_hub *h +@@ -5221,7 +5221,7 @@ static void port_event(struct usb_hub *h u16 status = 0, unused; port_dev->over_current_count++; diff --git a/target/linux/brcm2708/patches-4.19/950-0100-ARM64-Force-hardware-emulation-of-deprecated-instruc.patch b/target/linux/brcm2708/patches-4.19/950-0100-ARM64-Force-hardware-emulation-of-deprecated-instruc.patch index ee60dfe62c..912ab3fc09 100644 --- a/target/linux/brcm2708/patches-4.19/950-0100-ARM64-Force-hardware-emulation-of-deprecated-instruc.patch +++ b/target/linux/brcm2708/patches-4.19/950-0100-ARM64-Force-hardware-emulation-of-deprecated-instruc.patch @@ -10,7 +10,7 @@ Subject: [PATCH 100/806] ARM64: Force hardware emulation of deprecated --- a/arch/arm64/kernel/armv8_deprecated.c +++ b/arch/arm64/kernel/armv8_deprecated.c -@@ -182,10 +182,15 @@ static void __init register_insn_emulati +@@ -185,10 +185,15 @@ static void __init register_insn_emulati switch (ops->status) { case INSN_DEPRECATED: diff --git a/target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch b/target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch index 2d6c86e8a0..cfbc59e619 100644 --- a/target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch +++ b/target/linux/brcm2708/patches-4.19/950-0149-sc16is7xx-Don-t-spin-if-no-data-received.patch @@ -12,7 +12,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org> --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c -@@ -678,6 +678,8 @@ static bool sc16is7xx_port_irq(struct sc +@@ -696,6 +696,8 @@ static bool sc16is7xx_port_irq(struct sc rxlen = sc16is7xx_port_read(port, SC16IS7XX_RXLVL_REG); if (rxlen) sc16is7xx_handle_rx(port, rxlen, iir); diff --git a/target/linux/brcm2708/patches-4.19/950-0181-Revert-rtc-pcf8523-properly-handle-oscillator-stop-b.patch b/target/linux/brcm2708/patches-4.19/950-0181-Revert-rtc-pcf8523-properly-handle-oscillator-stop-b.patch index 690345497d..3809a7a9cb 100644 --- a/target/linux/brcm2708/patches-4.19/950-0181-Revert-rtc-pcf8523-properly-handle-oscillator-stop-b.patch +++ b/target/linux/brcm2708/patches-4.19/950-0181-Revert-rtc-pcf8523-properly-handle-oscillator-stop-b.patch @@ -15,7 +15,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org> --- a/drivers/rtc/rtc-pcf8523.c +++ b/drivers/rtc/rtc-pcf8523.c -@@ -201,8 +201,28 @@ static int pcf8523_rtc_read_time(struct +@@ -212,8 +212,28 @@ static int pcf8523_rtc_read_time(struct if (err < 0) return err; @@ -46,7 +46,7 @@ Signed-off-by: Phil Elwell <phil@raspberrypi.org> tm->tm_sec = bcd2bin(regs[0] & 0x7f); tm->tm_min = bcd2bin(regs[1] & 0x7f); -@@ -238,7 +258,6 @@ static int pcf8523_rtc_set_time(struct d +@@ -249,7 +269,6 @@ static int pcf8523_rtc_set_time(struct d return err; regs[0] = REG_SECONDS; diff --git a/target/linux/brcm2708/patches-4.19/950-0295-sc16is7xx-Fix-for-Unexpected-interrupt-8.patch b/target/linux/brcm2708/patches-4.19/950-0295-sc16is7xx-Fix-for-Unexpected-interrupt-8.patch deleted file mode 100644 index 614e1e9e24..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0295-sc16is7xx-Fix-for-Unexpected-interrupt-8.patch +++ /dev/null @@ -1,110 +0,0 @@ -From 53fc43d7a369bab50b4d3dce73adf7d522f0ee20 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Fri, 18 May 2018 10:26:59 +0100 -Subject: [PATCH 295/806] sc16is7xx: Fix for "Unexpected interrupt: 8" - -The SC16IS752 has an Enhanced Feature Register which is aliased at the -same address as the Interrupt Identification Register; accessing it -requires that a magic value is written to the Line Configuration -Register. If an interrupt is raised while the EFR is mapped in then -the ISR won't be able to access the IIR, leading to the "Unexpected -interrupt" error messages. - -Avoid the problem by claiming a mutex around accesses to the EFR -register, also claiming the mutex in the interrupt handler work -item (this is equivalent to disabling interrupts to interlock against -a non-threaded interrupt handler). - -See: https://github.com/raspberrypi/linux/issues/2529 - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - drivers/tty/serial/sc16is7xx.c | 28 ++++++++++++++++++++++++++++ - 1 file changed, 28 insertions(+) - ---- a/drivers/tty/serial/sc16is7xx.c -+++ b/drivers/tty/serial/sc16is7xx.c -@@ -328,6 +328,7 @@ struct sc16is7xx_port { - struct kthread_worker kworker; - struct task_struct *kworker_task; - struct kthread_work irq_work; -+ struct mutex efr_lock; - struct sc16is7xx_one p[0]; - }; - -@@ -499,6 +500,21 @@ static int sc16is7xx_set_baud(struct uar - div /= 4; - } - -+ /* In an amazing feat of design, the Enhanced Features Register shares -+ * the address of the Interrupt Identification Register, and is -+ * switched in by writing a magic value (0xbf) to the Line Control -+ * Register. Any interrupt firing during this time will see the EFR -+ * where it expects the IIR to be, leading to "Unexpected interrupt" -+ * messages. -+ * -+ * Prevent this possibility by claiming a mutex while accessing the -+ * EFR, and claiming the same mutex from within the interrupt handler. -+ * This is similar to disabling the interrupt, but that doesn't work -+ * because the bulk of the interrupt processing is run as a workqueue -+ * job in thread context. -+ */ -+ mutex_lock(&s->efr_lock); -+ - lcr = sc16is7xx_port_read(port, SC16IS7XX_LCR_REG); - - /* Open the LCR divisors for configuration */ -@@ -514,6 +530,8 @@ static int sc16is7xx_set_baud(struct uar - /* Put LCR back to the normal mode */ - sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, lcr); - -+ mutex_unlock(&s->efr_lock); -+ - sc16is7xx_port_update(port, SC16IS7XX_MCR_REG, - SC16IS7XX_MCR_CLKSEL_BIT, - prescaler); -@@ -698,6 +716,8 @@ static void sc16is7xx_ist(struct kthread - { - struct sc16is7xx_port *s = to_sc16is7xx_port(ws, irq_work); - -+ mutex_lock(&s->efr_lock); -+ - while (1) { - bool keep_polling = false; - int i; -@@ -707,6 +727,8 @@ static void sc16is7xx_ist(struct kthread - if (!keep_polling) - break; - } -+ -+ mutex_unlock(&s->efr_lock); - } - - static irqreturn_t sc16is7xx_irq(int irq, void *dev_id) -@@ -901,6 +923,9 @@ static void sc16is7xx_set_termios(struct - if (!(termios->c_cflag & CREAD)) - port->ignore_status_mask |= SC16IS7XX_LSR_BRK_ERROR_MASK; - -+ /* As above, claim the mutex while accessing the EFR. */ -+ mutex_lock(&s->efr_lock); -+ - sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, - SC16IS7XX_LCR_CONF_MODE_B); - -@@ -922,6 +947,8 @@ static void sc16is7xx_set_termios(struct - /* Update LCR register */ - sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, lcr); - -+ mutex_unlock(&s->efr_lock); -+ - /* Get baud rate generator configuration */ - baud = uart_get_baud_rate(port, termios, old, - port->uartclk / 16 / 4 / 0xffff, -@@ -1187,6 +1214,7 @@ static int sc16is7xx_probe(struct device - s->regmap = regmap; - s->devtype = devtype; - dev_set_drvdata(dev, s); -+ mutex_init(&s->efr_lock); - - kthread_init_worker(&s->kworker); - kthread_init_work(&s->irq_work, sc16is7xx_ist); diff --git a/target/linux/brcm2708/patches-4.19/950-0730-hid-usb-Add-device-quirks-for-Freeway-Airmouse-T3-an.patch b/target/linux/brcm2708/patches-4.19/950-0730-hid-usb-Add-device-quirks-for-Freeway-Airmouse-T3-an.patch index 9e9c79280d..fd3f2c749e 100644 --- a/target/linux/brcm2708/patches-4.19/950-0730-hid-usb-Add-device-quirks-for-Freeway-Airmouse-T3-an.patch +++ b/target/linux/brcm2708/patches-4.19/950-0730-hid-usb-Add-device-quirks-for-Freeway-Airmouse-T3-an.patch @@ -33,7 +33,7 @@ Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org> #define USB_VENDOR_ID_BELKIN 0x050d #define USB_DEVICE_ID_FLIP_KVM 0x3201 -@@ -1189,6 +1192,9 @@ +@@ -1190,6 +1193,9 @@ #define USB_VENDOR_ID_XAT 0x2505 #define USB_DEVICE_ID_XAT_CSR 0x0220 |