diff options
author | Jens Axboe <axboe@kernel.dk> | 2012-07-30 09:03:10 +0200 |
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committer | Jens Axboe <axboe@kernel.dk> | 2012-07-30 09:03:10 +0200 |
commit | 72ea1f74fcdf874cca6d2c0962379523bbd99e2c (patch) | |
tree | 4c67be6c73356086ff44ef1b8b1c9479702689ca /drivers/tty/serial/sh-sci.c | |
parent | b1af9be5ef77898c05667bb9dbf3b180d91d3292 (diff) | |
parent | a73ff3231df59a4b92ccd0dd4e73897c5822489b (diff) |
Merge branch 'for-jens' of git://git.drbd.org/linux-drbd into for-3.6/drivers
Diffstat (limited to 'drivers/tty/serial/sh-sci.c')
-rw-r--r-- | drivers/tty/serial/sh-sci.c | 38 |
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, return 0; } +static void sci_cleanup_single(struct sci_port *port) +{ + sci_free_gpios(port); + + clk_put(port->iclk); + clk_put(port->fclk); + + pm_runtime_disable(port->port.dev); +} + #ifdef CONFIG_SERIAL_SH_SCI_CONSOLE static void serial_console_putchar(struct uart_port *port, int ch) { @@ -2360,14 +2370,10 @@ static int sci_remove(struct platform_device *dev) cpufreq_unregister_notifier(&port->freq_transition, CPUFREQ_TRANSITION_NOTIFIER); - sci_free_gpios(port); - uart_remove_one_port(&sci_uart_driver, &port->port); - clk_put(port->iclk); - clk_put(port->fclk); + sci_cleanup_single(port); - pm_runtime_disable(&dev->dev); return 0; } @@ -2385,14 +2391,20 @@ static int __devinit sci_probe_single(struct platform_device *dev, index+1, SCI_NPORTS); dev_notice(&dev->dev, "Consider bumping " "CONFIG_SERIAL_SH_SCI_NR_UARTS!\n"); - return 0; + return -EINVAL; } ret = sci_init_single(dev, sciport, index, p); if (ret) return ret; - return uart_add_one_port(&sci_uart_driver, &sciport->port); + ret = uart_add_one_port(&sci_uart_driver, &sciport->port); + if (ret) { + sci_cleanup_single(sciport); + return ret; + } + + return 0; } static int __devinit sci_probe(struct platform_device *dev) @@ -2413,24 +2425,22 @@ static int __devinit sci_probe(struct platform_device *dev) ret = sci_probe_single(dev, dev->id, p, sp); if (ret) - goto err_unreg; + return ret; sp->freq_transition.notifier_call = sci_notifier; ret = cpufreq_register_notifier(&sp->freq_transition, CPUFREQ_TRANSITION_NOTIFIER); - if (unlikely(ret < 0)) - goto err_unreg; + if (unlikely(ret < 0)) { + sci_cleanup_single(sp); + return ret; + } #ifdef CONFIG_SH_STANDARD_BIOS sh_bios_gdb_detach(); #endif return 0; - -err_unreg: - sci_remove(dev); - return ret; } static int sci_suspend(struct device *dev) |