clk: bcm: rpi: Fix error handling of raspberrypi_fw_get_rate

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[ Upstream commit 35f73cca1c ]

The function raspberrypi_fw_get_rate (e.g. used for the recalc_rate
hook) can fail to get the clock rate from the firmware. In this case
we cannot return a signed error value, which would be casted to
unsigned long. Fix this by returning 0 instead.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/20220625083643.4012-1-stefan.wahren@i2se.com
Fixes: 4e85e535e6 ("clk: bcm283x: add driver interfacing with Raspberry Pi's firmware")
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Stefan Wahren 2022-06-25 10:36:43 +02:00 • committed by Greg Kroah-Hartman

parent 3a58d2aa45

commit 838dff2497

1 changed files with 1 additions and 1 deletions

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drivers/clk/bcm/clk-raspberrypi.c

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