kernel 5.10.6

1 files changed, 0 insertions, 141 deletions

diff --git a/SOURCES/arm64-pwm-rockchip-Keep-enabled-PWMs-running-while-probing.patch b/SOURCES/arm64-pwm-rockchip-Keep-enabled-PWMs-running-while-probing.patch
deleted file mode 100644
index 4bdb5cb..0000000
--- a/SOURCES/arm64-pwm-rockchip-Keep-enabled-PWMs-running-while-probing.patch
+++ /dev/null
@@ -1,141 +0,0 @@
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-Subject: [PATCH v2] pwm: rockchip: Keep enabled PWMs running while probing
-Date: Sat, 19 Sep 2020 15:33:06 -0400
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-
-Following commit cfc4c189bc70 ("pwm: Read initial hardware state at
-request time") the Rockchip PWM driver can no longer assume a device's
-pwm_state structure has been populated after a call to pwmchip_add().
-Consequently, the test in rockchip_pwm_probe() intended to prevent the
-driver from stopping PWM devices already enabled by the bootloader no
-longer functions reliably and this can lead to the kernel hanging
-during startup, particularly on devices like the Pinebook Pro that use
-a PWM-controlled backlight for their display.
-
-Avoid this by querying the device directly at probe time to determine
-whether or not it is enabled.
-
-Fixes: cfc4c189bc70 ("pwm: Read initial hardware state at request time")
-Signed-off-by: Simon South <simon@simonsouth.net>
-Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
-Reviewed-by: Heiko Stuebner <heiko@sntech.de>
----
- drivers/pwm/pwm-rockchip.c | 5 ++++-
- 1 file changed, 4 insertions(+), 1 deletion(-)
-
-diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
-index eb8c9cb645a6..098e94335cb5 100644
---- a/drivers/pwm/pwm-rockchip.c
-+++ b/drivers/pwm/pwm-rockchip.c
-@@ -288,6 +288,7 @@ static int rockchip_pwm_probe(struct platform_device *pdev)
- 	const struct of_device_id *id;
- 	struct rockchip_pwm_chip *pc;
- 	struct resource *r;
-+	u32 enable_conf, ctrl;
- 	int ret, count;
- 
- 	id = of_match_device(rockchip_pwm_dt_ids, &pdev->dev);
-@@ -362,7 +363,9 @@ static int rockchip_pwm_probe(struct platform_device *pdev)
- 	}
- 
- 	/* Keep the PWM clk enabled if the PWM appears to be up and running. */
--	if (!pwm_is_enabled(pc->chip.pwms))
-+	enable_conf = pc->data->enable_conf;
-+	ctrl = readl_relaxed(pc->base + pc->data->regs.ctrl);
-+	if ((ctrl & enable_conf) != enable_conf)
- 		clk_disable(pc->clk);
- 
- 	return 0;