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f5919b65d4
Patch generation process: - rebase rpi/rpi-4.14.y on v4.14.89 from linux-stable - git format-patch v4.14.89 Patches skipped during rebase: - lan78xx: Read MAC address from DT if present - lan78xx: Enable LEDs and auto-negotiation - Revert "softirq: Let ksoftirqd do its job" - sc16is7xx: Fix for multi-channel stall - lan78xx: Ignore DT MAC address if already valid - lan78xx: Simple patch to prevent some crashes - tcp_write_queue_purge clears all the SKBs in the write queue - Revert "lan78xx: Simple patch to prevent some crashes" - lan78xx: Connect phy early - Arm: mm: ftrace: Only set text back to ro after kernel has been marked ro - Revert "Revert "softirq: Let ksoftirqd do its job"" - ASoC: cs4265: SOC_SINGLE register value error fix - Revert "ASoC: cs4265: SOC_SINGLE register value error fix" - Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends" - Revert "Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends"" Patches dropped after rebase: - net: Add non-mainline source for rtl8192cu wlan - net: Fix rtl8192cu build errors on other platforms - brcm: adds support for BCM43341 wifi - brcmfmac: Mute expected startup 'errors' - ARM64: Fix build break for RTL8187/RTL8192CU wifi - ARM64: Enable RTL8187/RTL8192CU wifi in build config - This is the driver for Sony CXD2880 DVB-T2/T tuner + demodulator - brcmfmac: add CLM download support - brcmfmac: request_firmware_direct is quieter - Sets the BCDC priority to constant 0 - brcmfmac: Disable ARP offloading when promiscuous - brcmfmac: Avoid possible out-of-bounds read - brcmfmac: Delete redundant length check - net: rtl8192cu: Normalize indentation - net: rtl8192cu: Fix implicit fallthrough warnings - Revert "Sets the BCDC priority to constant 0" - media: cxd2880: Bump to match 4.18.y version - media: cxd2880-spi: Bump to match 4.18.y version - Revert "mm: alloc_contig: re-allow CMA to compact FS pages" - Revert "Revert "mm: alloc_contig: re-allow CMA to compact FS pages"" - cxd2880: CXD2880_SPI_DRV should select DVB_CXD2880 with MEDIA_SUBDRV_AUTOSELECT - 950-0421-HID-hid-bigbenff-driver-for-BigBen-Interactive-PS3OF.patch - 950-0453-Add-hid-bigbenff-to-list-of-have_special_driver-for-.patch Make I2C built-in instead of modular as in upstream defconfig; also the easiest way to get MFD_ARIZONA enabled, which is required by kmod-sound-soc-rpi-cirrus. Add missing compatible strings from 4.9/960-add-rasbperrypi-compatible.patch, using upstream names for compute modules. Add extra patch to enable the LEDs on lan78xx. Compile-tested: bcm2708, bcm2709, bcm2710 (with CONFIG_ALL_KMODS=y) Runtime-tested: bcm2708, bcm2710 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
51 lines
1.4 KiB
Diff
51 lines
1.4 KiB
Diff
From a845f23bddcb2b0e48e8158bb06b0990c4760e7e Mon Sep 17 00:00:00 2001
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From: Giedrius <giedrius@blokas.io>
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Date: Fri, 16 Mar 2018 18:14:31 +0200
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Subject: [PATCH 254/454] Fix for Pisound's MIDI Input getting blocked for a
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while in rare cases.
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There was a possible race condition which could lead to Input's FIFO queue
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to be underflown, causing high amount of processing in the worker thread for
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some period of time.
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Signed-off-by: Giedrius Trainavicius <giedrius@blokas.io>
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---
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sound/soc/bcm/pisound.c | 12 +++++++-----
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1 file changed, 7 insertions(+), 5 deletions(-)
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--- a/sound/soc/bcm/pisound.c
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+++ b/sound/soc/bcm/pisound.c
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@@ -56,6 +56,12 @@ static const char *pisnd_spi_get_version
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static int pisnd_midi_init(struct snd_card *card);
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static void pisnd_midi_uninit(void);
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+enum task_e {
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+ TASK_PROCESS = 0,
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+};
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+
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+static void pisnd_schedule_process(enum task_e task);
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+
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#define PISOUND_LOG_PREFIX "pisound: "
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#ifdef PISOUND_DEBUG
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@@ -129,7 +135,7 @@ static void pisnd_input_trigger(struct s
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{
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if (up) {
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pisnd_spi_set_callback(pisnd_midi_recv_callback, substream);
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- pisnd_midi_recv_callback(substream);
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+ pisnd_schedule_process(TASK_PROCESS);
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} else {
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pisnd_spi_set_callback(NULL, NULL);
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}
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@@ -258,10 +264,6 @@ static bool pisnd_spi_has_more(void)
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return gpiod_get_value(data_available);
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}
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-enum task_e {
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- TASK_PROCESS = 0,
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-};
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-
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static void pisnd_schedule_process(enum task_e task)
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{
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if (pisnd_spi_device != NULL &&
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