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| author | Stefan Wahren <wahrenst@gmx.net> | 2023-12-20 12:43:34 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-04 16:23:03 +0100 |
| commit | 83e571f054cd742eb9a46d46ef05193904adf53f (patch) | |
| tree | 59e70242849c2564c9b50dda30de37d81ba31950 /drivers/tty/serial | |
| parent | aba8290f368d965d49c929a283b3bf41783d3ada (diff) | |
| download | linux-83e571f054cd742eb9a46d46ef05193904adf53f.tar.gz linux-83e571f054cd742eb9a46d46ef05193904adf53f.tar.bz2 linux-83e571f054cd742eb9a46d46ef05193904adf53f.zip | |
serial: 8250_bcm2835aux: Restore clock error handling
The commit fcc446c8aa63 ("serial: 8250_bcm2835aux: Add ACPI support")
dropped the error handling for clock acquiring. But even an optional
clock needs this.
Fixes: fcc446c8aa63 ("serial: 8250_bcm2835aux: Add ACPI support")
Cc: stable <stable@kernel.org>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20231220114334.4712-1-wahrenst@gmx.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/8250/8250_bcm2835aux.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_bcm2835aux.c b/drivers/tty/serial/8250/8250_bcm2835aux.c index b5760f914a8c..beac6b340ace 100644 --- a/drivers/tty/serial/8250/8250_bcm2835aux.c +++ b/drivers/tty/serial/8250/8250_bcm2835aux.c @@ -119,6 +119,8 @@ static int bcm2835aux_serial_probe(struct platform_device *pdev) /* get the clock - this also enables the HW */ data->clk = devm_clk_get_optional(&pdev->dev, NULL); + 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); |