diff options
| author | Soren Brinkmann <soren.brinkmann@xilinx.com> | 2013-10-21 16:41:01 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-29 09:26:11 -0700 |
| commit | 7ac57347c23de6b6fcaf8f0a1f91067cedea57bc (patch) | |
| tree | fdebde47330da13e7ca8a5de496e88f7929a9369 /drivers/tty/serial | |
| parent | d3641f64bc71765682754722fd42fae24366bb3a (diff) | |
tty: xuartps: Fix build error when COMMON_CLK is not set
Clock notifiers are only available when CONFIG_COMMON_CLK is enabled.
Hence all notifier related code has to be protected by corresponsing
ifdefs.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/xilinx_uartps.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index ca4a2f1fbca..e46e9f3f19b 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -411,6 +411,7 @@ static unsigned int xuartps_set_baud_rate(struct uart_port *port, return calc_baud; } +#ifdef CONFIG_COMMON_CLK /** * xuartps_clk_notitifer_cb - Clock notifier callback * @nb: Notifier block @@ -504,6 +505,7 @@ static int xuartps_clk_notifier_cb(struct notifier_block *nb, return NOTIFY_DONE; } } +#endif /*----------------------Uart Operations---------------------------*/ @@ -1380,11 +1382,13 @@ static int xuartps_probe(struct platform_device *pdev) goto err_out_clk_disable; } +#ifdef CONFIG_COMMON_CLK xuartps_data->clk_rate_change_nb.notifier_call = xuartps_clk_notifier_cb; if (clk_notifier_register(xuartps_data->refclk, &xuartps_data->clk_rate_change_nb)) dev_warn(&pdev->dev, "Unable to register clock notifier.\n"); +#endif /* Initialize the port structure */ port = xuartps_get_port(); @@ -1415,8 +1419,10 @@ static int xuartps_probe(struct platform_device *pdev) } err_out_notif_unreg: +#ifdef CONFIG_COMMON_CLK clk_notifier_unregister(xuartps_data->refclk, &xuartps_data->clk_rate_change_nb); +#endif err_out_clk_disable: clk_disable_unprepare(xuartps_data->refclk); err_out_clk_dis_aper: @@ -1438,8 +1444,10 @@ static int xuartps_remove(struct platform_device *pdev) int rc; /* Remove the xuartps port from the serial core */ +#ifdef CONFIG_COMMON_CLK clk_notifier_unregister(xuartps_data->refclk, &xuartps_data->clk_rate_change_nb); +#endif rc = uart_remove_one_port(&xuartps_uart_driver, port); port->mapbase = 0; clk_disable_unprepare(xuartps_data->refclk); |