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authorFlorian Fainelli <f.fainelli@gmail.com>2020-02-03 13:35:35 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-04-29 16:31:14 +0200
commit597cb12c6a927f527c40c1875969a2497f8d2207 (patch)
tree2e8c4d4b35a0cd922223306ec917372b379628c2 /drivers/pwm
parent0b03af5905fcd982ca3abc8ed321a442d7d05171 (diff)
pwm: bcm2835: Dynamically allocate base
[ Upstream commit 2c25b07e5ec119cab609e41407a1fb3fa61442f5 ] 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: e5a06dc5ac1f ("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>
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/pwm-bcm2835.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c
index db001cba937f..e340ad79a1ec 100644
--- a/drivers/pwm/pwm-bcm2835.c
+++ b/drivers/pwm/pwm-bcm2835.c
@@ -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;
pc->chip.of_xlate = of_pwm_xlate_with_flags;
pc->chip.of_pwm_n_cells = 3;