From: Michal Simek michal.simek@xilinx.com
commit 2e01911b7cf7aa07a304a809eca1b11a4bd35859 upstream.
This reverts commit 5e9bd2d70ae7c00a95a22994abf1eef728649e64.
As Johan says, this driver needs a lot more work and these changes are only going in the wrong direction: https://lkml.kernel.org/r/20190523091839.GC568@localhost
Reported-by: Johan Hovold johan@kernel.org Signed-off-by: Michal Simek michal.simek@xilinx.com Cc: stable stable@vger.kernel.org Link: https://lore.kernel.org/r/310999ab5342f788a7bc1b0e68294d4f052cad07.158590587... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/tty/serial/xilinx_uartps.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-)
--- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -1576,6 +1576,7 @@ static int cdns_uart_probe(struct platfo goto err_out_id; }
+ uartps_major = cdns_uart_uart_driver->tty_driver->major; cdns_uart_data->cdns_uart_driver = cdns_uart_uart_driver;
/* @@ -1706,7 +1707,6 @@ static int cdns_uart_probe(struct platfo console_port = NULL; #endif
- uartps_major = cdns_uart_uart_driver->tty_driver->major; cdns_uart_data->cts_override = of_property_read_bool(pdev->dev.of_node, "cts-override"); return 0; @@ -1768,12 +1768,6 @@ static int cdns_uart_remove(struct platf console_port = NULL; #endif
- /* If this is last instance major number should be initialized */ - mutex_lock(&bitmap_lock); - if (bitmap_empty(bitmap, MAX_UART_INSTANCES)) - uartps_major = 0; - mutex_unlock(&bitmap_lock); - uart_unregister_driver(cdns_uart_data->cdns_uart_driver); return rc; }