forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

pch_uart: Add uart device to irq name

Browse source 
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>
This commit is contained in:
Alexander Stein 2014-03-25 14:05:08 +01:00 • committed by Greg Kroah-Hartman
commit 50d16ca29b
1 changed files with 7 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/tty/serial/pch_uart.c
View file

@ -257,6 +257,8 @@ struct eg20t_port {
dma_addr_t rx_buf_dma; dma_addr_t rx_buf_dma;
struct dentry *debugfs; 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 */ /* protect the eg20t_port private structure and io access to membase */
spinlock_t lock; spinlock_t lock;
@ -1343,7 +1345,7 @@ static int pch_uart_startup(struct uart_port *port)
return ret; return ret;
ret = request_irq(priv->port.irq, pch_uart_interrupt, IRQF_SHARED, ret = request_irq(priv->port.irq, pch_uart_interrupt, IRQF_SHARED,
KBUILD_MODNAME, priv); priv->irq_name, priv);
if (ret < 0) if (ret < 0)
return ret; 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->port.line = board->line_no;
priv->trigger = PCH_UART_HAL_TRIGGER_M; 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); spin_lock_init(&priv->port.lock);
pci_set_drvdata(pdev, priv); pci_set_drvdata(pdev, priv);