aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.19/950-0615-Pisound-Remove-spinlock-usage-around-spi_sync.patch
diff options
context:
space:
mode:
authorÁlvaro Fernández Rojas <noltari@gmail.com>2020-02-04 19:02:53 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2020-02-04 19:14:13 +0100
commit84d555aa74434392b682fd9eb0fa701c89a046d6 (patch)
treebcc0a9bf058757da14054bce61a8cb8b8c9cd873 /target/linux/brcm2708/patches-4.19/950-0615-Pisound-Remove-spinlock-usage-around-spi_sync.patch
parent953973c2991e8640549a55df7a0574a1abac8644 (diff)
downloadupstream-84d555aa74434392b682fd9eb0fa701c89a046d6.tar.gz
upstream-84d555aa74434392b682fd9eb0fa701c89a046d6.tar.bz2
upstream-84d555aa74434392b682fd9eb0fa701c89a046d6.zip
brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0615-Pisound-Remove-spinlock-usage-around-spi_sync.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0615-Pisound-Remove-spinlock-usage-around-spi_sync.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0615-Pisound-Remove-spinlock-usage-around-spi_sync.patch b/target/linux/brcm2708/patches-4.19/950-0615-Pisound-Remove-spinlock-usage-around-spi_sync.patch
new file mode 100644
index 0000000000..5dee4cb1d1
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0615-Pisound-Remove-spinlock-usage-around-spi_sync.patch
@@ -0,0 +1,31 @@
+From ace4e8240d581e6053f0165b2682a2db745d49dc Mon Sep 17 00:00:00 2001
+From: Giedrius <giedrius@blokas.io>
+Date: Fri, 12 Jul 2019 17:45:55 +0300
+Subject: [PATCH] Pisound: Remove spinlock usage around spi_sync
+
+---
+ sound/soc/bcm/pisound.c | 5 -----
+ 1 file changed, 5 deletions(-)
+
+--- a/sound/soc/bcm/pisound.c
++++ b/sound/soc/bcm/pisound.c
+@@ -286,9 +286,6 @@ static irqreturn_t data_available_interr
+ return IRQ_HANDLED;
+ }
+
+-static DEFINE_SPINLOCK(spilock);
+-static unsigned long spilockflags;
+-
+ static uint16_t spi_transfer16(uint16_t val)
+ {
+ uint8_t txbuf[2];
+@@ -333,9 +330,7 @@ static void spi_transfer(const uint8_t *
+ transfer.delay_usecs = 10;
+ spi_message_add_tail(&transfer, &msg);
+
+- spin_lock_irqsave(&spilock, spilockflags);
+ err = spi_sync(pisnd_spi_device, &msg);
+- spin_unlock_irqrestore(&spilock, spilockflags);
+
+ if (err < 0) {
+ printe("spi_sync error %d\n", err);