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authorAlexander Stein <alexander.stein@systec-electronic.com>2014-03-25 14:05:08 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-04-24 15:52:30 -0700
commit50d16ca29bd2ccbca08e4f74fe1d9618c735c22f (patch)
tree00f637fa680fbbe59902a07d0bcb69b0812cf482 /drivers/tty/serial/pch_uart.c
parenta798c10faf62a505d24e5f6213fbaf904a39623f (diff)
downloadop-kernel-dev-50d16ca29bd2ccbca08e4f74fe1d9618c735c22f.zip
op-kernel-dev-50d16ca29bd2ccbca08e4f74fe1d9618c735c22f.tar.gz
pch_uart: Add uart device to irq name
This will additionally show the specific UART device instead of the general module name. This cames in handy so check for the interupts of a specific device if there are several of them. Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/pch_uart.c')
-rw-r--r--drivers/tty/serial/pch_uart.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 0931b3f..e194bb3 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -257,6 +257,8 @@ struct eg20t_port {
dma_addr_t rx_buf_dma;
struct dentry *debugfs;
+#define IRQ_NAME_SIZE 17
+ char irq_name[IRQ_NAME_SIZE];
/* protect the eg20t_port private structure and io access to membase */
spinlock_t lock;
@@ -1343,7 +1345,7 @@ static int pch_uart_startup(struct uart_port *port)
return ret;
ret = request_irq(priv->port.irq, pch_uart_interrupt, IRQF_SHARED,
- KBUILD_MODNAME, priv);
+ priv->irq_name, priv);
if (ret < 0)
return ret;
@@ -1818,6 +1820,10 @@ static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
priv->port.line = board->line_no;
priv->trigger = PCH_UART_HAL_TRIGGER_M;
+ snprintf(priv->irq_name, IRQ_NAME_SIZE,
+ KBUILD_MODNAME ":" PCH_UART_DRIVER_DEVICE "%d",
+ priv->port.line);
+
spin_lock_init(&priv->port.lock);
pci_set_drvdata(pdev, priv);
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