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serial: 8250_bcm2835aux: Restore clock error handling

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The commit fcc446c8aa ("serial: 8250_bcm2835aux: Add ACPI support")
dropped the error handling for clock acquiring. But even an optional
clock needs this.

Fixes: fcc446c8aa ("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>
This commit is contained in:
Stefan Wahren 2023-12-20 12:43:34 +01:00 committed by Greg Kroah-Hartman
parent aba8290f36
commit 83e571f054
1 changed files with 2 additions and 0 deletions
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2
drivers/tty/serial/8250/8250_bcm2835aux.c
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@ -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);