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pwm: bcm2835: Dynamically allocate base

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[ Upstream commit 2c25b07e5e ]

The newer 2711 and 7211 chips have two PWM controllers and failure to
dynamically allocate the PWM base would prevent the second PWM
controller instance being probed for succeeding with an -EEXIST error
from alloc_pwms().

Fixes: e5a06dc5ac ("pwm: Add BCM2835 PWM driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Florian Fainelli
2020-02-03 13:35:35 -08:00
committed by Chris
parent 8bd5044b67
commit e5099d1ff4
1 changed files with 1 additions and 0 deletions
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drivers/pwm/pwm-bcm2835.c
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@@ -166,6 +166,7 @@ static int bcm2835_pwm_probe(struct platform_device *pdev)
pc->chip.dev = &pdev->dev;
pc->chip.ops = &bcm2835_pwm_ops;
pc->chip.base = -1;
pc->chip.npwm = 2;
platform_set_drvdata(pdev, pc);