[PATCH v2 10/13] serial: 8250_exar: Switch to use dev_err_probe()

From: Andy Shevchenko
Date: Fri May 03 2024 - 13:21:32 EST


Switch to use dev_err_probe() to simplify the error path and
unify a message template.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_exar.c | 21 +++++++--------------
1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 51f6af16c557..306bc6d7c141 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -889,11 +889,8 @@ static int cti_port_setup_common(struct exar8250 *priv,
port->port.uartclk = priv->osc_freq;

ret = serial8250_pci_setup_port(pcidev, port, 0, offset, 0);
- if (ret) {
- dev_err(&pcidev->dev,
- "failed to setup pci for port %d err: %d\n", idx, ret);
+ if (ret)
return ret;
- }

port->port.private_data = (void *)priv;
port->port.pm = exar_pm;
@@ -1522,11 +1519,8 @@ exar_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
maxnr = pci_resource_len(pcidev, bar) >> (board->reg_shift + 3);

nr_ports = exar_get_nr_ports(board, pcidev);
- if (nr_ports == 0) {
- dev_err_probe(&pcidev->dev, -ENODEV,
- "failed to get number of ports\n");
- return -ENODEV;
- }
+ if (nr_ports == 0)
+ return dev_err_probe(&pcidev->dev, -ENODEV, "failed to get number of ports\n");

priv = devm_kzalloc(&pcidev->dev, struct_size(priv, line, nr_ports), GFP_KERNEL);
if (!priv)
@@ -1559,7 +1553,7 @@ exar_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
for (i = 0; i < nr_ports && i < maxnr; i++) {
rc = board->setup(priv, pcidev, &uart, i);
if (rc) {
- dev_err(&pcidev->dev, "Failed to setup port %u\n", i);
+ dev_err_probe(&pcidev->dev, rc, "Failed to setup port %u\n", i);
break;
}

@@ -1568,10 +1562,9 @@ exar_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)

priv->line[i] = serial8250_register_8250_port(&uart);
if (priv->line[i] < 0) {
- dev_err(&pcidev->dev,
- "Couldn't register serial port %lx, irq %d, type %d, error %d\n",
- uart.port.iobase, uart.port.irq,
- uart.port.iotype, priv->line[i]);
+ dev_err_probe(&pcidev->dev, priv->line[i],
+ "Couldn't register serial port %lx, type %d, irq %d\n",
+ uart.port.iobase, uart.port.iotype, uart.port.irq);
break;
}
}
--
2.43.0.rc1.1336.g36b5255a03ac