Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 261/453] can: m_can: m_can_config_endisable(): remove double clearing of clock stop request bit | Date | Mon, 28 Dec 2020 13:48:17 +0100 |
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From: Sean Nyekjaer <sean@geanix.com>
[ Upstream commit c9f4cad6cdfe350ce2637e57f7f2aa7ff326bcc6 ]
The CSR bit is already cleared when arriving here so remove this section of duplicate code.
The registers set in m_can_config_endisable() is set to same exact values as before this patch.
Signed-off-by: Sean Nyekjaer <sean@geanix.com> Acked-by: Sriram Dash <sriram.dash@samsung.com> Acked-by: Dan Murphy <dmurphy@ti.com> Link: https://lore.kernel.org/r/20191211063227.84259-1-sean@geanix.com Fixes: f524f829b75a ("can: m_can: Create a m_can platform framework") Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/can/m_can/m_can.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index c84114b44ee07..d2bb9a87eff9a 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -379,10 +379,6 @@ void m_can_config_endisable(struct m_can_classdev *cdev, bool enable) cccr &= ~CCCR_CSR; if (enable) { - /* Clear the Clock stop request if it was set */ - if (cccr & CCCR_CSR) - cccr &= ~CCCR_CSR; - /* enable m_can configuration */ m_can_write(cdev, M_CAN_CCCR, cccr | CCCR_INIT); udelay(5); -- 2.27.0
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