[PATCH v3 4/4] serial: 8250: Don't check for mctrl_gpio_init() returning -ENOSYS
From: Schrempf Frieder <hidden>
Date: 2019-08-02 10:04:22
Also in:
linux-serial, lkml
Subsystem:
8250/16?50 (and clone uarts) serial driver, the rest, tty layer and serial drivers · Maintainers:
Greg Kroah-Hartman, Linus Torvalds, Jiri Slaby
From: Frieder Schrempf <redacted> Now that the mctrl_gpio code returns NULL instead of ERR_PTR(-ENOSYS) if CONFIG_GPIOLIB is disabled, we can safely remove this check. Signed-off-by: Frieder Schrempf <redacted> --- Changes in v3 ============= * Adjust the commit message and subject line Changes in v2 ============= * Add a patch for the 8250 driver --- drivers/tty/serial/8250/8250_core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index df3bcc0b2d74..e682390ce0de 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c@@ -1026,10 +1026,8 @@ int serial8250_register_8250_port(struct uart_8250_port *up) if (!has_acpi_companion(uart->port.dev)) { gpios = mctrl_gpio_init(&uart->port, 0); if (IS_ERR(gpios)) { - if (PTR_ERR(gpios) != -ENOSYS) { - ret = PTR_ERR(gpios); - goto out_unlock; - } + ret = PTR_ERR(gpios); + goto out_unlock; } else { uart->gpios = gpios; }
--
2.17.1
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