summaryrefslogtreecommitdiff
path: root/include/linux/serial_core.h
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2021-08-13 06:41:22 -0700
committerJakub Kicinski <kuba@kernel.org>2021-08-13 06:41:22 -0700
commitf4083a752a3b7dc2076432129c8469d02c25318e (patch)
tree6518d6c858a630508466906e30683d60bbef9748 /include/linux/serial_core.h
parentb769cf44ed55f4b277b89cf53df6092f0c9082d0 (diff)
parentf8e6dfc64f6135d1b6c5215c14cd30b9b60a0008 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts: drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h 9e26680733d5 ("bnxt_en: Update firmware call to retrieve TX PTP timestamp") 9e518f25802c ("bnxt_en: 1PPS functions to configure TSIO pins") 099fdeda659d ("bnxt_en: Event handler for PPS events") kernel/bpf/helpers.c include/linux/bpf-cgroup.h a2baf4e8bb0f ("bpf: Fix potentially incorrect results with bpf_get_local_storage()") c7603cfa04e7 ("bpf: Add ambient BPF runtime context stored in current") drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c 5957cc557dc5 ("net/mlx5: Set all field of mlx5_irq before inserting it to the xarray") 2d0b41a37679 ("net/mlx5: Refcount mlx5_irq with integer") MAINTAINERS 7b637cd52f02 ("MAINTAINERS: fix Microchip CAN BUS Analyzer Tool entry typo") 7d901a1e878a ("net: phy: add Maxlinear GPY115/21x/24x driver") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/serial_core.h')
-rw-r--r--include/linux/serial_core.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 52d7fb92a69d..c58cc142d23f 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -518,6 +518,25 @@ static inline void uart_unlock_and_check_sysrq(struct uart_port *port)
if (sysrq_ch)
handle_sysrq(sysrq_ch);
}
+
+static inline void uart_unlock_and_check_sysrq_irqrestore(struct uart_port *port,
+ unsigned long flags)
+{
+ int sysrq_ch;
+
+ if (!port->has_sysrq) {
+ spin_unlock_irqrestore(&port->lock, flags);
+ return;
+ }
+
+ sysrq_ch = port->sysrq_ch;
+ port->sysrq_ch = 0;
+
+ spin_unlock_irqrestore(&port->lock, flags);
+
+ if (sysrq_ch)
+ handle_sysrq(sysrq_ch);
+}
#else /* CONFIG_MAGIC_SYSRQ_SERIAL */
static inline int uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
{
@@ -531,6 +550,11 @@ static inline void uart_unlock_and_check_sysrq(struct uart_port *port)
{
spin_unlock(&port->lock);
}
+static inline void uart_unlock_and_check_sysrq_irqrestore(struct uart_port *port,
+ unsigned long flags)
+{
+ spin_unlock_irqrestore(&port->lock, flags);
+}
#endif /* CONFIG_MAGIC_SYSRQ_SERIAL */
/*