From: Krzysztof Kozlowski <krzk@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>,
Florian Fainelli <f.fainelli@gmail.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
bcm-kernel-feedback-list@broadcom.com,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
Paul Cercueil <paul@crapouillou.net>,
Lukas Wunner <lukas@wunner.de>,
linux-serial@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Subject: [PATCH 1/2] serial: 8250: Simplify with dev_err_probe()
Date: Tue, 1 Sep 2020 17:30:59 +0200 [thread overview]
Message-ID: <20200901153100.18827-1-krzk@kernel.org> (raw)
Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and the error value gets printed.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
drivers/tty/serial/8250/8250_bcm2835aux.c | 12 +++---------
drivers/tty/serial/8250/8250_ingenic.c | 20 ++++++--------------
2 files changed, 9 insertions(+), 23 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_bcm2835aux.c b/drivers/tty/serial/8250/8250_bcm2835aux.c
index 12d03e678295..fd95860cd661 100644
--- a/drivers/tty/serial/8250/8250_bcm2835aux.c
+++ b/drivers/tty/serial/8250/8250_bcm2835aux.c
@@ -110,12 +110,8 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev)
/* get the clock - this also enables the HW */
data->clk = devm_clk_get(&pdev->dev, NULL);
- ret = PTR_ERR_OR_ZERO(data->clk);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(&pdev->dev, "could not get clk: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(data->clk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(data->clk), "could not get clk\n");
/* get the interrupt */
ret = platform_get_irq(pdev, 0);
@@ -155,9 +151,7 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev)
/* register the port */
ret = serial8250_register_8250_port(&up);
if (ret < 0) {
- if (ret != -EPROBE_DEFER)
- dev_err(&pdev->dev,
- "unable to register 8250 port - %d\n", ret);
+ dev_err_probe(&pdev->dev, ret, "unable to register 8250 port\n");
goto dis_clk;
}
data->line = ret;
diff --git a/drivers/tty/serial/8250/8250_ingenic.c b/drivers/tty/serial/8250/8250_ingenic.c
index dde766fa465f..988bf6bcce42 100644
--- a/drivers/tty/serial/8250/8250_ingenic.c
+++ b/drivers/tty/serial/8250/8250_ingenic.c
@@ -259,22 +259,14 @@ static int ingenic_uart_probe(struct platform_device *pdev)
return -ENOMEM;
data->clk_module = devm_clk_get(&pdev->dev, "module");
- if (IS_ERR(data->clk_module)) {
- err = PTR_ERR(data->clk_module);
- if (err != -EPROBE_DEFER)
- dev_err(&pdev->dev,
- "unable to get module clock: %d\n", err);
- return err;
- }
+ if (IS_ERR(data->clk_module))
+ return dev_err_probe(&pdev->dev, PTR_ERR(data->clk_module),
+ "unable to get module clock\n");
data->clk_baud = devm_clk_get(&pdev->dev, "baud");
- if (IS_ERR(data->clk_baud)) {
- err = PTR_ERR(data->clk_baud);
- if (err != -EPROBE_DEFER)
- dev_err(&pdev->dev,
- "unable to get baud clock: %d\n", err);
- return err;
- }
+ if (IS_ERR(data->clk_baud))
+ return dev_err_probe(&pdev->dev, PTR_ERR(data->clk_baud),
+ "unable to get baud clock\n");
err = clk_prepare_enable(data->clk_module);
if (err) {
--
2.17.1
next reply other threads:[~2020-09-01 16:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-01 15:30 Krzysztof Kozlowski [this message]
2020-09-01 15:31 ` [PATCH 2/2] serial: core: Simplify with dev_err_probe() Krzysztof Kozlowski
2020-09-02 10:02 ` Lukas Wunner
2020-09-01 16:10 ` [PATCH 1/2] serial: 8250: " Florian Fainelli
2020-09-02 10:07 ` Lukas Wunner
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