atmel_serial: show tty name in /proc/interrupts
When possible, pass the tty name to request_irq() so that the user can easily distinguish the different serial ports in /proc/interrupts. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Andrew Victor <linux@maxim.org.za> Tested-by: Marc Pignat <marc.pignat@hevs.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -793,6 +793,7 @@ static void atmel_tasklet_func(unsigned long data)
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static int atmel_startup(struct uart_port *port)
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{
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struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
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struct tty_struct *tty = port->info->tty;
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int retval;
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/*
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@ -806,7 +807,7 @@ static int atmel_startup(struct uart_port *port)
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* Allocate the IRQ
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*/
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retval = request_irq(port->irq, atmel_interrupt, IRQF_SHARED,
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"atmel_serial", port);
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tty ? tty->name : "atmel_serial", port);
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if (retval) {
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printk("atmel_serial: atmel_startup - Can't get irq\n");
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return retval;
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