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Date: Mon, 3 Feb 2020 13:35:35 -0800 From: Florian Fainelli <f.fainelli@...il.com> To: linux-kernel@...r.kernel.org Cc: Florian Fainelli <f.fainelli@...il.com>, Thierry Reding <thierry.reding@...il.com>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...), Nicolas Saenz Julienne <nsaenzjulienne@...e.de>, Bart Tanghe <bart.tanghe@...masmore.be>, Stephen Warren <swarren@...dotorg.org>, linux-pwm@...r.kernel.org (open list:PWM SUBSYSTEM), linux-rpi-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE) Subject: [PATCH] pwm: bcm2835: Dynamically allocate base 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@...il.com> --- drivers/pwm/pwm-bcm2835.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c index 91e24f01b54e..d78f86f8e462 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; -- 2.17.1
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