[PATCH 4.4 064/114] tty: serial: sprd: fix error return code in sprd_probe()

4.4-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit ec085c5a51b768947ca481f90b66653e36b3c566 ] platform_get_irq() returns an error code, but the sprd_serial driver ignores it and always returns -ENODEV. This is not correct and,

[PATCH 4.4 064/114] tty: serial: sprd: fix error return code in sprd_probe()

4.4-stable review patch. If anyone has any objections, please let me know. -- [ Upstream commit ec085c5a51b768947ca481f90b66653e36b3c566 ] platform_get_irq() returns an error code, but the sprd_serial driver ignores it and always returns -ENODEV. This is not correct and,