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authorAnton Ivanov <anton.ivanov@cambridgegreys.com>2018-11-13 18:08:02 +0300
committerRichard Weinberger <richard@nod.at>2018-12-28 00:48:35 +0300
commit940b241d9050fc354f68c182e99fc3da1ff36bc0 (patch)
treed57775381213bb7cf168bc506242e054954e6e5c /arch/um/kernel
parentb9794231737ab8c8a3a225b50aa168c4c7f9b9ec (diff)
downloadlinux-940b241d9050fc354f68c182e99fc3da1ff36bc0.tar.xz
um: Remove obsolete reenable_XX calls
reenable_fd has been a NOP since the introduction of the EPOLL based interrupt controller. reenable_channel() is no longer needed as the flow control is now handled via the write IRQs on the channel. Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com> Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'arch/um/kernel')
-rw-r--r--arch/um/kernel/irq.c6
-rw-r--r--arch/um/kernel/sigio.c1
2 files changed, 0 insertions, 7 deletions
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 8360fa3f676d..f4874b7ec503 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -350,11 +350,6 @@ static void free_irq_by_irq_and_dev(unsigned int irq, void *dev)
}
-void reactivate_fd(int fd, int irqnum)
-{
- /** NOP - we do auto-EOI now **/
-}
-
void deactivate_fd(int fd, int irqnum)
{
struct irq_entry *to_free;
@@ -449,7 +444,6 @@ int um_request_irq(unsigned int irq, int fd, int type,
}
EXPORT_SYMBOL(um_request_irq);
-EXPORT_SYMBOL(reactivate_fd);
/*
* irq_chip must define at least enable/disable and ack when
diff --git a/arch/um/kernel/sigio.c b/arch/um/kernel/sigio.c
index b5e0cbb34382..3fb6a4041ed6 100644
--- a/arch/um/kernel/sigio.c
+++ b/arch/um/kernel/sigio.c
@@ -16,7 +16,6 @@ static irqreturn_t sigio_interrupt(int irq, void *data)
char c;
os_read_file(sigio_irq_fd, &c, sizeof(c));
- reactivate_fd(sigio_irq_fd, SIGIO_WRITE_IRQ);
return IRQ_HANDLED;
}