diff options
| author |   Vineet Gupta <Vineet.Gupta1@synopsys.com> | 2013-01-11 11:50:21 +0530 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-15 22:15:17 -0800 |
| commit | e163d1f42bc2089efae58b4966287c4d3504d4c7 (patch) | |
| tree | 5ad4a58b6c1d13bb95669d88316c944bbd97f25c /drivers/tty/serial/arc_uart.c | |
| parent | serial/arc-uart: Don't index with -ve platform_device->id (diff) | |
| download | linux-dev-e163d1f42bc2089efae58b4966287c4d3504d4c7.tar.xz linux-dev-e163d1f42bc2089efae58b4966287c4d3504d4c7.zip | |
serial/arc-uart: split probe from probe_earlyprintk
This is in preparation for devicetree based probing, where earlyprintk
won't have access to DT serial aliases which the normal probe would
absolutely rely on.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/arc_uart.c')
| -rw-r--r-- | drivers/tty/serial/arc_uart.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c index 8089dc355ac5..9de26ba48d20 100644 --- a/drivers/tty/serial/arc_uart.c +++ b/drivers/tty/serial/arc_uart.c @@ -651,7 +651,7 @@ static struct __initdata console arc_early_serial_console = { .index = -1 }; -static int arc_serial_probe_earlyprintk(struct platform_device *pdev) +static int __init arc_serial_probe_earlyprintk(struct platform_device *pdev) { int dev_id = pdev->id < 0 ? 0 : pdev->id; int rc; @@ -667,20 +667,12 @@ static int arc_serial_probe_earlyprintk(struct platform_device *pdev) register_console(&arc_early_serial_console); return 0; } -#else -static int arc_serial_probe_earlyprintk(struct platform_device *pdev) -{ - return -ENODEV; -} #endif /* CONFIG_SERIAL_ARC_CONSOLE */ static int arc_serial_probe(struct platform_device *pdev) { int rc, dev_id; - if (is_early_platform_device(pdev)) - return arc_serial_probe_earlyprintk(pdev); - dev_id = pdev->id < 0 ? 0 : pdev->id; rc = arc_uart_init_one(pdev, dev_id); if (rc) @@ -706,6 +698,15 @@ static struct platform_driver arc_platform_driver = { }; #ifdef CONFIG_SERIAL_ARC_CONSOLE + +static struct platform_driver early_arc_platform_driver = { + .probe = arc_serial_probe_earlyprintk, + .remove = arc_serial_remove, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, +}; /* * Register an early platform driver of "earlyprintk" class. * ARCH platform code installs the driver and probes the early devices @@ -713,7 +714,7 @@ static struct platform_driver arc_platform_driver = { * or it could be done independently, for all "earlyprintk" class drivers. * [see arch/arc/plat-arcfpga/platform.c] */ -early_platform_init("earlyprintk", &arc_platform_driver); +early_platform_init("earlyprintk", &early_arc_platform_driver); #endif /* CONFIG_SERIAL_ARC_CONSOLE */ |