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serial: uartps: Remove static port array 

Allocate uart port structure dynamically.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michal Simek 2018-04-23 11:51:03 +02:00 committed by Greg Kroah-Hartman
parent 1f2107223e
commit 0a84bae7ed
1 changed files with 4 additions and 12 deletions
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16
drivers/tty/serial/xilinx_uartps.c
View File

@ -1097,8 +1097,6 @@ static const struct uart_ops cdns_uart_ops = {
#endif
};
static struct uart_port cdns_uart_port[CDNS_UART_NR_PORTS];
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
/**
* cdns_uart_console_wait_tx - Wait for the TX to be full
@ -1436,6 +1434,9 @@ static int cdns_uart_probe(struct platform_device *pdev)
GFP_KERNEL);
if (!cdns_uart_data)
return -ENOMEM;
port = devm_kzalloc(&pdev->dev, sizeof(*port), GFP_KERNEL);
if (!port)
return -ENOMEM;
match = of_match_node(cdns_uart_of_match, pdev->dev.of_node);
if (match && match->data) {
@ -1501,16 +1502,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
if (id < 0)
id = 0;
/* Try the given port id if failed use default method */
if (id < CDNS_UART_NR_PORTS && cdns_uart_port[id].mapbase != 0) {
/* Find the next unused port */
for (id = 0; id < CDNS_UART_NR_PORTS; id++)
if (cdns_uart_port[id].mapbase == 0)
break;
}
port = &cdns_uart_port[id];
if (!port || id >= CDNS_UART_NR_PORTS) {
if (id >= CDNS_UART_NR_PORTS) {
dev_err(&pdev->dev, "Cannot get uart_port structure\n");
rc = -ENODEV;
goto err_out_notif_unreg;