diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0332-bcm2835-mmc-Fix-duplicate-free_irq-on-remove.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0332-bcm2835-mmc-Fix-duplicate-free_irq-on-remove.patch | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0332-bcm2835-mmc-Fix-duplicate-free_irq-on-remove.patch b/target/linux/bcm27xx/patches-4.19/950-0332-bcm2835-mmc-Fix-duplicate-free_irq-on-remove.patch deleted file mode 100644 index 0ca7c11822..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0332-bcm2835-mmc-Fix-duplicate-free_irq-on-remove.patch +++ /dev/null @@ -1,38 +0,0 @@ -From 4a15e086fa9531f808c15b8fb8d7ed1fdb411b74 Mon Sep 17 00:00:00 2001 -From: Lukas Wunner <lukas@wunner.de> -Date: Sat, 19 Jan 2019 09:00:26 +0100 -Subject: [PATCH] bcm2835-mmc: Fix duplicate free_irq() on remove - -The BCM2835 MMC host driver requests its interrupt as a device-managed -resource, so the interrupt is automatically freed after the driver is -unbound. - -However on driver unbind, bcm2835_mmc_remove() frees the interrupt -explicitly to avoid invocation of the interrupt handler after driver -structures have been torn down. - -The interrupt is thus freed twice, leading to a WARN splat in -__free_irq(). Fix by not requesting the interrupt as a device-managed -resource. - -Signed-off-by: Lukas Wunner <lukas@wunner.de> -Cc: Frank Pavlic <f.pavlic@kunbus.de> ---- - drivers/mmc/host/bcm2835-mmc.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - ---- a/drivers/mmc/host/bcm2835-mmc.c -+++ b/drivers/mmc/host/bcm2835-mmc.c -@@ -1389,9 +1389,9 @@ static int bcm2835_mmc_add_host(struct b - init_waitqueue_head(&host->buf_ready_int); - - bcm2835_mmc_init(host, 0); -- ret = devm_request_threaded_irq(dev, host->irq, bcm2835_mmc_irq, -- bcm2835_mmc_thread_irq, IRQF_SHARED, -- mmc_hostname(mmc), host); -+ ret = request_threaded_irq(host->irq, bcm2835_mmc_irq, -+ bcm2835_mmc_thread_irq, IRQF_SHARED, -+ mmc_hostname(mmc), host); - if (ret) { - dev_err(dev, "Failed to request IRQ %d: %d\n", host->irq, ret); - goto untasklet; |