aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.19/950-0706-Pisound-Remove-spinlock-usage-around-spi_sync.patch
blob: 50803008e65cc2139fb6afb630426b567bd7c744 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
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 706/806] 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);