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path: root/drivers/tty/serial/sh-sci.c
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Diffstat (limited to 'drivers/tty/serial/sh-sci.c')
-rw-r--r--drivers/tty/serial/sh-sci.c38
1 files changed, 24 insertions, 14 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 4604153b7954..1bd9163bc118 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -2179,6 +2179,16 @@ static int __devinit sci_init_single(struct platform_device *dev,
2179 return 0; 2179 return 0;
2180} 2180}
2181 2181
2182static void sci_cleanup_single(struct sci_port *port)
2183{
2184 sci_free_gpios(port);
2185
2186 clk_put(port->iclk);
2187 clk_put(port->fclk);
2188
2189 pm_runtime_disable(port->port.dev);
2190}
2191
2182#ifdef CONFIG_SERIAL_SH_SCI_CONSOLE 2192#ifdef CONFIG_SERIAL_SH_SCI_CONSOLE
2183static void serial_console_putchar(struct uart_port *port, int ch) 2193static void serial_console_putchar(struct uart_port *port, int ch)
2184{ 2194{
@@ -2360,14 +2370,10 @@ static int sci_remove(struct platform_device *dev)
2360 cpufreq_unregister_notifier(&port->freq_transition, 2370 cpufreq_unregister_notifier(&port->freq_transition,
2361 CPUFREQ_TRANSITION_NOTIFIER); 2371 CPUFREQ_TRANSITION_NOTIFIER);
2362 2372
2363 sci_free_gpios(port);
2364
2365 uart_remove_one_port(&sci_uart_driver, &port->port); 2373 uart_remove_one_port(&sci_uart_driver, &port->port);
2366 2374
2367 clk_put(port->iclk); 2375 sci_cleanup_single(port);
2368 clk_put(port->fclk);
2369 2376
2370 pm_runtime_disable(&dev->dev);
2371 return 0; 2377 return 0;
2372} 2378}
2373 2379
@@ -2385,14 +2391,20 @@ static int __devinit sci_probe_single(struct platform_device *dev,
2385 index+1, SCI_NPORTS); 2391 index+1, SCI_NPORTS);
2386 dev_notice(&dev->dev, "Consider bumping " 2392 dev_notice(&dev->dev, "Consider bumping "
2387 "CONFIG_SERIAL_SH_SCI_NR_UARTS!\n"); 2393 "CONFIG_SERIAL_SH_SCI_NR_UARTS!\n");
2388 return 0; 2394 return -EINVAL;
2389 } 2395 }
2390 2396
2391 ret = sci_init_single(dev, sciport, index, p); 2397 ret = sci_init_single(dev, sciport, index, p);
2392 if (ret) 2398 if (ret)
2393 return ret; 2399 return ret;
2394 2400
2395 return uart_add_one_port(&sci_uart_driver, &sciport->port); 2401 ret = uart_add_one_port(&sci_uart_driver, &sciport->port);
2402 if (ret) {
2403 sci_cleanup_single(sciport);
2404 return ret;
2405 }
2406
2407 return 0;
2396} 2408}
2397 2409
2398static int __devinit sci_probe(struct platform_device *dev) 2410static int __devinit sci_probe(struct platform_device *dev)
@@ -2413,24 +2425,22 @@ static int __devinit sci_probe(struct platform_device *dev)
2413 2425
2414 ret = sci_probe_single(dev, dev->id, p, sp); 2426 ret = sci_probe_single(dev, dev->id, p, sp);
2415 if (ret) 2427 if (ret)
2416 goto err_unreg; 2428 return ret;
2417 2429
2418 sp->freq_transition.notifier_call = sci_notifier; 2430 sp->freq_transition.notifier_call = sci_notifier;
2419 2431
2420 ret = cpufreq_register_notifier(&sp->freq_transition, 2432 ret = cpufreq_register_notifier(&sp->freq_transition,
2421 CPUFREQ_TRANSITION_NOTIFIER); 2433 CPUFREQ_TRANSITION_NOTIFIER);
2422 if (unlikely(ret < 0)) 2434 if (unlikely(ret < 0)) {
2423 goto err_unreg; 2435 sci_cleanup_single(sp);
2436 return ret;
2437 }
2424 2438
2425#ifdef CONFIG_SH_STANDARD_BIOS 2439#ifdef CONFIG_SH_STANDARD_BIOS
2426 sh_bios_gdb_detach(); 2440 sh_bios_gdb_detach();
2427#endif 2441#endif
2428 2442
2429 return 0; 2443 return 0;
2430
2431err_unreg:
2432 sci_remove(dev);
2433 return ret;
2434} 2444}
2435 2445
2436static int sci_suspend(struct device *dev) 2446static int sci_suspend(struct device *dev)